PROJECT REPORT ON PROTECTION AND FAULT ANNOUNCIATION SYSTEM FOR DOMESTIC LOAD
SUBMITTED BY: GOR DHRUPAD B. (D/08/EE/65) LAD PINKAL S. (D/08/EE/68) RATHOD VISHAL B. (D/08/EE/69)
UNDER GUIDANCE OF: MR. JENISH MACWAN LECTURER
DEPTARTMENT OF ELECTRICAL ENGINEERING CHAROTAR INSTITUTE OF TECHNOLGY EDUCATION CAMPUS - CHANGA
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DEPARTMENT OF ELECTRICAL ENGINEERING CHAROTAR INSTITUTE OF TECHNOLOGY, CHANGA JUNE, 2011.
CERTIFICATE This is to certify that the project entitled “PROTECTION AND FAULT ANNOUNCIATION SYSTEM FOR DOMESTIC LOAD” is a bonafied report of the work carried out by GOR DHRUPAD B. (D/08/EE/65), LAD PINKAL S. (D/08/EE/68), RATHOD VISHAL B. (D/08/EE/69) under the guidance and supervision for the award of the degree of Bachelor of Electrical Engineering at
Charotar Institute of
Technology - Changa, Gujarat
To the best of my knowledge and belief, this work embodies the work of candidate himself, has duly been completed, fulfills the requirement of the ordinance relating to the Bachelor Degree of the university and is up to the standard in respect of content, presentation and language for being referred to the examiner.
Mr. Jenish Macwan
Mr. Bhavesh Shah
Lecturer, Department of Electrical engineering,
H.O.D.
C.I.T.C., Gujarat
Electrical Engineering.
Date:-____________.
C.I.T.C., Gujarat.
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ACKNOWLEDGEMENT
Famous author R.S. Pressnon says a big project is like having a hungry and badtampered monster chained up in your basement. You can go out and have fun, but eventually you must return home and feed the hungry beast. There are many persons who have helped me feed this feed beast over the past few months who deserve our sincere thanks for their patience, contributions or both.
We sincerely feel that the credit of our project work could not be narrowed down to only one individual. This work is an integrated effort of all those concerned with it, through whose co-operation and effective guidance we could achieve its successful completion. We take this opportunity to acknowledge all them who truly deserve it.
We are very thankful to our guide Mr.Jenish Macwan, who have guided us heartily and gave personal attention for developing and completing this project. In fact we think that it was very difficult to develop such a nice project without their contribution. We are also very thankful to our Head of the Department. Mr. Bhavesh Shah, who have permitted us for doing this project and helped us whenever we experienced and difficultly or when we required any extra facilities, besides we would like to acknowledge the constructive criticism, inspiration and support facilitate by our friends and without whom successful completion of this project would become very difficult. Gor Dhrupad B. (D/08/EE/65). Lad Pinkal S. (D/08/EE/68). Rathod Vishal B. (D/08/EE/69).
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PROJECT ON PROTECTION AND FAULT ANNOUNCIATION SYSTEM FOR DOMESTIC LOAD
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INDEX SR NO
SPECIFICATION
PAGE NO.
1
PROJECT MEANING
6
2
INTRODUCTION
7
3
CIRCUIT DIAGRAM
8
4
PCB LAYOUT
10
5
CIRCUIT OPERATION
11
6
FEATURES & ADVANTAGES
14
7
APPLICATION
15
8
USED COMPONENT LIST
16
9
DESCRIPTION OF COMPONENTS
17
10
COSTING
29
11
MICROCONTROLLER PROGRAM
31
12
CONCLUSION
45
13
BIBLIOGRAPHY
46
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1. PROJECT MEANING Before taking project work for foundation. It is quite necessary to have an exact idea of the word 'project'. The word project consists of seven letters where each letter has its own significance as follows:
P = Planning Before carrying out work. R = Raw material required for the work. O = Organization of the work. J = Joint Effort put Together in work. E = Estimation of material required in the work. C = Costing of work. T = Techniques used in performing work. As a matter of fact, the 'PROJECT' is used specially for the construction Purposes.
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2. INTRODUCTION Earth Leak Circuit Breakers (ELCB) has been set to higher threshold leakage current, which fail to protect people from getting electrocuted. This has been a standard problem facing the industry & domestics. No solution has ever been proposed to protect human life while allowing for large leakage currents through equipments, which again is an unavoidable reality. Earth Leak circuit breaker (ELCB) has been around\d for a few decades now. Its introduction has helped many lives as it can trip and isolate dangerous voltage source in a very short time for extremely small current leaks passing through people/animals etc. however it has been noticed that many equipments have leakage currents of the order of several orders of magnitude compared to tolerance limit for humans/ animals. It is in such a case, ELCBs have been set to higher threshold leakage currents, which fail to protect people from getting electrocuted. Earth leakage is an electrical hazard, which is responsible for electric shock and fire risk. Earth leakage and its associated hazard can be prevented by the use of earth Leakage circuit Breaker.
Now days due to over & under voltage there is chance for short circuit or any electrical equipment can be damage. So to protect this we introduce a circuit to save from this dangerous hazard. The over/under voltage circuit protects domestic appliances from over and under voltage In this circuit if the A.C voltage increases beyond 240v the relay energize & AC supply is disconnected & same as if the AC voltage decrease below 180v the relay energize & AC supply is disconnected and electrical appliances turn-off thus the electrical equipment is saved. We will discuss both circuits in detail.
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3. CIRCUIT DIAGRAM
8
9
4. PCB LAYOUT
10
5. CIRCUIT OPERATION + 12V D.C SUPPLY POWER SUPPLY CIRUIT
Here we use Bridge Rectifier circuit for converting AC supply in to DC supply. Here we use step down Transformer which step down the 230 Voltage in to 18V. When AC supply is given to transformer's primary winding, an alternating flux is set up which links with secondary winding though magnetic core and emf induces in secondary winding. Then we use four Diodes & make a Bridge. Then we connect the IC-7812 In put terminal to the bridges are terminal and other terminal of bridge is connected to the IC7912 transformers two terminal is the ground, & we connect the capacitor of 1000 micro F, between IC'S first terminal of 3.3 micro F between IC'S last terminal. However we get output from the third terminal of IC 7812 & IC 7912 which is +12v DC. OPERATION Bridge rectifier circuit use to convert AC in to DC & with the help of IC7812 & IC 7912 we can get +12V DC in bridge rectifier when AC supply goes to positive half cycle the diode 01 & 04 is forward bias & diode 02 & 03 goes to reverse bias. In negatives half cycle diode 02 & 03 goes to forward bias and diode 01 & 04 is reverse bias. However we can get constant voltage in both positive and negative cycle which is DC. With the help of capacitor we can get pure DC at the output terminal. WORKING PRINCIPLE OF ELCB The ELCB works on the current balance principle. The supply conductors. I.e. the phases and the neutral are passed through a torrid and form the primary windings of a current transformer. Its secondary winding is connected to a highly sensitive electromagnetic trip relay which operates the trip mechanism. In a healthy circuit sum of equal to the current in phases; is equal to the current in the neutral and the vector Sum of all current is equal to zero. If there is any insulation fault in the circuit and leakage current flows to earth, the currents do not balance and their vector sum is not equal to zero. This imbalance is detected by the current transformer, the ELCB tripped and supply to load is interrupted and buzzer is activated. 11
WORKING OF ELCB This circuit is used as a shock preventer as it cuts off the supply within 20ms of sensing a fault. Once the line is cut off, it remains off until the reset switch is pressed. The earth leakage of current is sensed by checking the difference between current through phase and neutral by the current transformer X2. This is done by flux subtraction in the core of the transformer. If on body is connected to earth, the currents through phase and neutral are equal and the flux produced by them is also equal and opposite. The resulting flux will be zero and the output voltage is also zero. When anyone touches the phase, a small current flows through the body to earth. This will cause an increase in phase current, producing an output AC, which is amplified by and fed to the base of a switching transistor through a Zener diode. The Zener diode is used to cancel offset voltage and noise effects. So, when high voltage occurs. The base current of transistor energies the relay. The supply through N/C terminals of the relay cuts off when the relay energies thus preventing any shock. Once the relay is energized contacts short the transistor, thus causing the relay to remain on. The circuit can be reset by cutting the supply of the relay. This is done by pressing the push to off reset switch. The sensitivity of the circuit to shock current is controlled by a 1 Ok pot by varying the gain of the amplifier. The supply is a regulated + 12v using 7812 and 7912 voltage regulator. CKT DESCRIPTION OF O/V & U/V PROTECTION CKT This circuit is used to protect the domestic appliances from over and under voltage. Operational amplifier IC LM324 (IC2) is used here as a comparator. IC LM324 consists of four operational amplifiers, of which only two operational amplifiers (N1 & N2) are used in the circuit. IC1 is wired for a regulated 12v supply. The unregulated power supply is connected to the series combination of resistor R1 & R2 and potentiometer VR1. The same supply is also connected to a 6.8v Zener diode (ZD1) through resistor R3. Preset VR1 is adjusted such that for normal supply of 180v to 240v, the voltage at the non-inverting terminal (pin 3) of operational amplifier N1 is less than 6.8v.
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Hence the output of the operational amplifier is zero and transistor T1 remains off. The relay, Which is connected to the collector of transistor T1, also remains de-energized. As the AC supply to the electrical appliances is given through the normally closed (N/C) terminal is not disconnected during normal operation. WORKING OF O/V & U/V PROTECTION CIRCUIT When the AC voltage increases beyond 240v the voltage at the noninverting terminal (pin 3) of operational amplifier N1 increases. The voltage at the inverting terminal is still 6.8v because of the Zener diode. Thus now if the voltage at pin 3 of the operational amplifier is higher than 6.8v, the output of the operational amplifier goes high to drive transistor T1 and hence energize relay RL. Consequently, the AC supply is disconnected and electrical appliances turn off. Thus the appliances are protected against over- voltage. Now let’s consider the under-voltage condition. When the AC voltage decreases below 180v the voltage at inverting terminal (pin 6) of operational amplifier N2 is less than the voltage at the non-inverting terminal (6v).thus the output of operational amplifier N2 goes high and it energize the relay through transistor T1. Consequently, the AC supply is disconnected and electrical appliances turn off. Thus the appliances are protected against under- voltage. Thus the relay energize in two condition: First, if the voltage at pin 3 of IC2 is above 6.8v, and Second, if the voltage at pin 6 of IC2 is below 6v. Over-voltage and under-voltage levels can be adjusted using presets VR1 and VR2, respectively.
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6. FEATURES AND ADVANTAGES 1. The truly current operated device ELCB can operate at nominal voltage less than the 10 volts. This is unlike some of the other products incorporate-rating electronic circuitry which fail to operate when there is a severe drop in the supply voltage. For e.g. due to a fault. The ELCB are totally independent of the mains voltage for tripping and provide a highly reliable protection. 2. Our ELCB trip in the event of opening of neutral wire due to any reason and are provided with neutral, advance mechanism which ensures and complete discharge of line inductance / capacitance. 3. The mechanism is trip-free ensuring that the ELCB cannot be re-closed /reset if the earth leakage / fault persist. 4. They have a very con. Operational life of over 10,000 thousand operation. 5. ELCB is capable of withstanding starting in-rush currents of motors upto 4/8 times the rated current. 6. The ELCB have excellent short circuit withstand ensuring that there is no damage to the device itself 7. The ELCB are highly vibration proof. 8. ELCB with O/V & U/V circuit protects equipment against voltage variation above & below from equipment rated or working voltage. 9. O/V & U/V circuit protects the domestic appliances from over & under voltages & short circuit. 10. O/V & U/V circuit protects from damage of electrical & electronics Equipment & other dangerous hazards.
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7. APPLICATION 1. The use of exposed, substandard, badly wired, wrongly connected or damaged equipment as well as frayed cables or bed cables joints reduces the safety of an installation and increases the risk to persons receiving electric shock. 2. Fuses and MCBs, whilst provide protection against over currents and indirect contact, do not give any protection to any person. Who may come into contact with live parts causing current to flow through the body to earth. A correctly chosen ELCB can detect such small current flowing to earth and breaks the circuit to greatly reduce the risk of electrocution to human and domestic cattle at shock hazard voltages, 3. The majority of fires occur as a result of faulty wiring, which results in a fault current flowing to the earth. Fires can be started by fault currents of this nature of less than 1 amp. The normal domestic over load protective device, such as a fuse or an MCB, cannot detect such a small current. A correctly chosen ELCB shall detect this fault current, interrupt the supply and greatly reduce the risk of fire. 4. The increased use of electric power in domestic commercial and industrial installation has warranted the continuous development and expansion of low voltage distribution systems. The use of high capacity distribution transformers has given rise to increased short circuit fault in the system. 5. It is used in administrative buildings, high rise buildings, hospitals, public buildings, houses, industrial premises, commercial complex, etc. 6. The reliably protect the cables, wires, electrical equipment and electrical appliances such as air conditioners, pump set, compressor refrigerator, geysers, grinders, etc.
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8. USED COMPONENT LIST ⇒Transformer (12-0-12) ⇒Resistor ⇒Variable resistor ⇒ Capacitor ⇒ Diode ⇒ LED ⇒ Transistor ⇒ Relay (DPDT) ⇒ Zener Diode ⇒ Current Transformer (CT) ⇒ IC-741 ⇒ IC-LM324 ⇒ IC-7812 & IC-7912 ⇒ Main Switch ⇒ Rocker & Toggle Switch
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9. DESCRIPTION OF COMPONENTS (1) TRANSFORMER In these circuits the core type of transformer is used in core type transformer, half of the primary winding and half -of the secondary winding are placed round each bind as shown in fig. This reduces the leakage flux voltage winding below the high voltage winding for mechanical.
The main 230V AC is connected to the primary of charger transformer X1 which is a step down transformer (230Vprimary/18-0-18V,3.5A secondary). The neutral of mains AC supply is directly connected to the chassis ground (2) RESISTOR In electronic path the material which gives resistance to flow the current is called resistor and the ability to lock the current is called resistivity VIR=1 There are many types of resistor carbon type, wire wound, film type etc.
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There are three type of resistor 1. Composition type 2. Film type 3. Wire wound
18
19
(3) VARAIBLE RESISTOR
Variable resistor are available in variety of forms the most popular of which are carbon truck a wire wound potentiometers wire wound put are generally only available with linear low tracks power rating up to 1 w values. Which range from 10 to 100 ohm.
(4) CAPACITOR
It is a current store component. A capacitor is basically to Store electronics. It offers low impedance to ac current but very high Impedance to dc. A capacitor consists of two conducting plates separated by & insulating material known as dielectric. The capacitor is to store the electric change is q-c= v. capacitor mainly used for fitter in which rectified DC operation is made smoother or filtered. This is called filter capacitor. TYPES OF CAPACITOR 1) Electrolyte Capacitor
2) Ceramic Capacitor 3) Paper type Capacitor
TESTING OF CAPACITOR Connect the capacitor to the multimeter and see their IP momentary deflection takes place, which is indicated by multimeter. If it shows momentary deflection the capacitor is ok. 20
FUNCTION Capacitors store electric charge. They are used with resisters in timing circuits because it takes time for a capacitor to fill with charge. They are used to smooth varying DC supplies by acting as a reservoir of charge. They are also used in filter circuits because capacitors easily pass AC signals but they block DC signals. (5) P-N JUNCTION DIODE Diodes are two terminal unilateral devices and conduct current only from anode to cathode. Most of the semiconductor diodes are junction diodes formed by growing a metallurgical junction between p-type and n-type semiconductors. FUNCTION Diode allows electricity to flow in only one direction. The arrow of the circuit symbol shows the direction in which the current can flow. Diode is the electrical version of a valve and early diodes were actually called valves. FORWARD VOLTAGE DROP Electricity uses up a little energy pushing its way through the Diode, rather person pushing through a door with a spring. This means that there is a small voltage across a conducting diode, it is called the forward voltage drop and is about 0.7 volt for all normal diode which are made from silicon. The forward voltage drop of a diode is almost constraint whatever the current passing through the diode so they have a very steep characteristic (I - V GRAPH). REVERSE VOLTAGE When a reverse voltage is applied a perfect diode does not conduct, but all real diodes leak a very tiny current of a few µA or less. This can be ignored in most circuits because it will be very much smaller than' the current flowing in the forward direction. However, all diodes have a maximum reverse voltage and if this exceed the diode will fail and pass a large current in the reverse direction, his is called Breakdown. APPLICATION 1. Rectification of AC 2. Switching 3. Modulation, demodulation and frequency changing 4. Generation and detection of light 21
5. Generation and amplification of signals 6. Wave shaping and such as clipping, clamping etc 7. Providing reference voltages and so on depending upon their structure And doping level. (6) TRANSISTOR The Unbiased Transistor A transistor has three doped region, an emitter, a base and a collector. A PN junction exists between the base and the emitter this part of the transistor is called the emitter diode. Another PN junction exists between the base and the collector, this part of the transistor is called the collector diode BIASED THE TRANSISTOR For normal operation, you forward-bias the emitter diode and reverse biased the collector diode. Under these conditions, the emitter sends the electrons in to the base. Most of these free electrons Pass through the base to the collector. Because of this, the collector current approximately equals the emitter current. The base current is much smaller, typically less than 5 percent of the emitter current. (7) RELAY (DPDT)
A relay is an electrically operated switch. Current flowing through the coil of the relay creates a magnetic field which attracts a lever and changes the switch contacts. The coil current can be on or off so relay have two switch position and they are double thrown switches. Relay allow one circuit it which can be completely separate from the first. For example a low .battery circuit can use a relay to switch a 230V AC mains circuit. There is no electrical connection inside the relay between the two circuits the link is magnetic and mechanical. The coil of a relay passes a relatively large current, typically 30mA for 12V relay, but it can be as much as 100 mA for relays designed to operate from lower voltages. Most ICs cannot provide this current and a transistor is usually used to amplify the small current to the Larger value required for the relay coil The maximum output current for the popular 555 timer IC is 200mA so these devices can Supply relay coils directly without amplification. 22
Relays are usually SPDT or DPOT but they can have many more sets of switch contacts, for example relays with 4 sets of changeover contacts readily available. For further information about switch contacts and the terms used to describe them please see the page. The relay’s switch connections are usually labeled COM, NC and NO: COM = Common, always connected to this, it is moving part of Switch NC = Normally Closed, COM is connected to this when the relay Coil is off. NO = Normally open, COM is connected to this when the relay Coil is on (8) ZENER DIODE
We have shown that when a P-N junction is reverse biased it breaks down at particular voltage is called reverse breakdown. Large breakdown current may destroy the diode because if excessive heating. To prevent destruction of the diode the current should be limited by external circuit and proper heat dissipation capability should be provided. The diode is known as the Zener diode. We have shown that when a P-N junction is reversing biased it breaks down at a particular voltage Vb. We observe from the characteristics that the reverse voltage. When the reverse voltage equals VB, the reverse current shoots up and is limited by the external circuit only. The voltage remains constant for a wide range of current. If the reverse voltage is reduce below the current again become small. Thus as the reverse voltage is brought back to zero, the characteristics is retraced. Such a breakdown is therefore called a reversible breakdown. Large breakdown current may destroy the diode because of excessive heating. To prevent destruction of the diode. The current should be .limited by external circuit and proper heat dissipation capability should be provided. This diode is known as the Zener diode. The characteristics of the Zener diode can be utilized with advantages to produce a voltage reference. That is this diode can be used as constant voltage source particularly where the variation of either the load current or the input supply voltage are likely to change the load voltage such an application is illustrated by the following example. Small signal and rectifier diode are never intentionally operated in the brake down region because this may cause damage to them a Zener diode is 23
different. It is silicon diode that the manufacturer has optimized for the operation in the breakdown region. It is sometime called a breakdown diode. The Zener diode is a breakdown of voltage regulation circuits that hold the voltage almost constant despite large changes in the voltage & load resistance. ⇒ Constant voltage source ⇒ Voltage regulator ⇒ Resistor ⇒ Zener diode ⇒ Terminal socket ⇒ Acrylic sheet ⇒ Galvanized box (9) CURRENT TRANSFORMER (CT) Current transformer can be classified in to two categories 1 Bar primary CT 2 Wound primary CT In bar primary type CT the primary is a straight conductor which is the part of power system. In this type of CT the secondary has a rain type iron core on which the winding is wound uniformly over the entire periphery. This type of construction has negligible leakage flux both primary & secondary. As there is only one primary turn the primary current should be high enough to produce sufficient exciting amp turns for give a reasonable output. Wound type CT has E, I, T & L Type core. The primary winding is wound in the N as the primary turns are fewer they cannot be disturbed uniformly leakage flux & hence passes a high reactance. WORKING The current transformers is used with its primary winding connected in series with line carrying the current to be measured and, therefore the primary current is dependent upon. The load connected to the system and is not determined by the load (burden) connected on the secondary winding of the current transformer. The primary winding consists of very few turns and, therefore, there is no appreciable voltage drop across it. The secondary winding of current transformer has larger number of turns ratio. Thus a current. Transformer operates its secondary winding nearly under short circuit condition. Only of the terminal of the secondary winding is earthed so as to 24
protect equipment and personal in the vicinity in the event of an insulation breakdown in the current transformer. (10) POSITIVE-NEGATIVE CLAMPER (IC 741)
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INTRODUCTION The term operational Amplifier" or" OP-AMP" originated in 1947. The early work with operational amplifier concerned on their use in analog simulation and in the solution of integral differential equation nowadays the OP-AMP has become. To a basic building in instrumentation computation and control basically the OP-Amp is a high gain direct coupled Amplifier in negative feedback is used in conjugation with such. A high gain Amplifier steady stable and predictable output relationship is obtained. Nowadays such a perfect Amplifier has not been developed modern semiconductor technology has produced OP-Amp whose characteristics are quite closed to the perfect case Modern OP-Amp characterized by the following properties (1) Extremely high DC voltage gain generally in the range from 10,000 to 1, 00, 00,000 times. (2) Wide band width the start at DC and rolls off to unity gain from several hundred megahertz with a slope of 6db to at the 12db per octave. (3) Positive and negative output voltage over a large dynamic range usually from +10 to +100 volts. (4) High output impedance so that amplifier input current can be lo neglected. (5) Very low input DC offset or drifts with time and temperature. The conventional symbol used in schematics to represent and operational amplifier. The input terminals are shown on the left side and output terminal is on the right side. Note that supply voltages of both polarities with respect to ground are used. Functions of various stages are as given below (1) First Differential Amplifier It has two inputs. One is non inverting input which is marked + (Pin no 3) and the other is the inverting input which is marked - (Pin No.2). (2) Constant Current Source
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Constant current required for differential amplifier is supplied from this. Constant current is necessary for common mode rejection. (3) Second Differential Amplifier With the help of this stage the gain is increased (4) Emitter Follower It works as buffer between the high gain differential amplifier and output stage. Emitter follower stage given high impedance to the differential amplifier and less impendence to the output stage . (5) Output Stage Output impendence of the op-amp reduces due the output stage. So it Can supply sufficient current to load. Equivalent Circuit of OP-AMP The equivalent circuit of an op-amp is shown in fig. it is useful in making analysis of the circuit A R1 RO V1 V2 Vid Avid
= = = = = = =
Open loop gain Input resistance Output resistance Voltage on non inverting input terminal Voltage on inverting input terminal Differential input voltage Equivalent Theremin's voltage source
Vo = Avid = A (V1 - V2) The output voltages are directly proportional to the algebraic difference between the two input voltages. The polarity of the output voltage depends on the polarity of the difference voltage. (14) IC-7812 & IC-7912 Here in fig shown below IC-7812 is positive voltage regulator and another figure of IC-7912 shows negative voltage regulator.
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Such voltage regulators are also available in the range of 5V, 6V, 10V, 12V, 15V, 18V and 24V. Different ranges of voltages and currents are available. The voltage range is 12-0-12 volts. For different load current different type of ICs are available. The current range is from 1.5 to 5 amp. Different types of three terminal adjustable positive voltage regulator ICs available are IC-741. The formula for output voltage is. VO = VRf [R2/R1 + 1]
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10. COSTING COMPONANT USE
COST
40 pin base
25
14 pin base
10
8 pin base (4)
40
200 k preset
10
10 k preset
10
Bc547(NPN to92) (4)
34
1N4007(4)
12
1N4148
8
4V7 Zener
12
4 MHz crystal
25
33pf capacitor (2)
10
10 μf capacitor (6)
34
47 μf capacitor (2)
15
1000 / 25 capacitor
15
100μf / 25 capacitor
15
0.1nf capacitor
5
0.22nf capacitor
10
7805 volt regulator
18
BC557
8
29
10K n resistor
18
PCB design Led (2)
self 2
AT9552
138
UC 741 (3)
20
NE 555
20
LCD Module
490
ELC transformer
180
Over voltage sensor transformer
110
12-0-12 / 1amp transformer
115
Main core
100
Ply sheet
80
Other cost
1400
TOTAL COST
2990
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11. CONTROLLER PROGRAM
C:0x0000 C:0x0003 C:0x0006 C:0x0009 C:0x000B C:0x000D C:0x000F C:0x0012 C:0x0014 C:0x0017 C:0x0019 C:0x001B C:0x001D C:0x0020 C:0x0023 C:0x0026 C:0x0029 C:0x002C C:0x002F C:0x0032 C:0x0034 C:0x0036 C:0x0038 C:0x003B C:0x003D C:0x0040 C:0x0042 C:0x0044 C:0x0046 C:0x0049 C:0x004C C:0x004F C:0x0051 C:0x0053 C:0x0055 C:0x0058 C:0x005A
020451 LJMP C:0451 20A01D JB 0xA0.0,C:0023 1203F2 LCALL C:03F2 7BFF MOV R3,#0xFF 7A01 MOV R2,#0x01 7998 MOV R1,#SCON(0x98) 12031F LCALL C:031F 7FC0 MOV R7,#0xC0 120433 LCALL C:0433 7BFF MOV R3,#0xFF 7A01 MOV R2,#0x01 79A4 MOV R1,#0xA4 12031F LCALL C:031F 30A0FD JNB 0xA0.0,C:0020 7580FF MOV P0(0x80),#0xFF 75B0FF MOV P3(0xB0),#0xFF 75A0FF MOV P2(0xA0),#0xFF 7590FF MOV P1(0x90),#0xFF 1203F2 LCALL C:03F2 7BFF MOV R3,#0xFF 7A01 MOV R2,#0x01 79B0 MOV R1,#P3(0xB0) 12031F LCALL C:031F 7FC0 MOV R7,#0xC0 120433 LCALL C:0433 7BFF MOV R3,#0xFF 7A01 MOV R2,#0x01 79C1 MOV R1,#0xC1 12031F LCALL C:031F 1203CE LCALL C:03CE 1203F2 LCALL C:03F2 7BFF MOV R3,#0xFF 7A01 MOV R2,#0x01 79D2 MOV R1,#0xD2 12031F LCALL C:031F 7FC0 MOV R7,#0xC0 120433 LCALL C:0433 31
C:0x005D C:0x005F C:0x0061 C:0x0063 C:0x0066 C:0x0069 C:0x006C C:0x006E C:0x0070 C:0x0072 C:0x0075 C:0x0077 C:0x007A C:0x007C C:0x007E C:0x0080 C:0x0083 C:0x0086 C:0x0089 C:0x008B C:0x008D C:0x008F C:0x0092 C:0x0094 C:0x0097 C:0x0099 C:0x009B C:0x009D C:0x00A0 C:0x00A3 C:0x00A6 C:0x00A8 C:0x00AA C:0x00AC C:0x00AF C:0x00B1 C:0x00B4 C:0x00B6 C:0x00B8 C:0x00BA C:0x00BD C:0x00C0 C:0x00C3
7BFF MOV R3,#0xFF 7A01 MOV R2,#0x01 79E3 MOV R1,#0xE3 12031F LCALL C:031F 1203CE LCALL C:03CE 1203F2 LCALL C:03F2 7BFF MOV R3,#0xFF 7A01 MOV R2,#0x01 79F5 MOV R1,#0xF5 12031F LCALL C:031F 7FC0 MOV R7,#0xC0 120433 LCALL C:0433 7BFF MOV R3,#0xFF 7A02 MOV R2,#0x02 7906 MOV R1,#0x06 12031F LCALL C:031F 1203CE LCALL C:03CE 1203F2 LCALL C:03F2 7BFF MOV R3,#0xFF 7A02 MOV R2,#0x02 7913 MOV R1,#0x13 12031F LCALL C:031F 7FC0 MOV R7,#0xC0 120433 LCALL C:0433 7BFF MOV R3,#0xFF 7A02 MOV R2,#0x02 7922 MOV R1,#0x22 12031F LCALL C:031F 1203CE LCALL C:03CE 1203F2 LCALL C:03F2 7BFF MOV R3,#0xFF 7A02 MOV R2,#0x02 792F MOV R1,#0x2F 12031F LCALL C:031F 7FC0 MOV R7,#0xC0 120433 LCALL C:0433 7BFF MOV R3,#0xFF 7A02 MOV R2,#0x02 793D MOV R1,#0x3D 12031F LCALL C:031F 1203CE LCALL C:03CE 20901D JB T2(0x90.0),C:00E0 12030B LCALL C:030B 32
C:0x00C6 C:0x00C8 C:0x00CB C:0x00CD C:0x00CF C:0x00D1 C:0x00D4 C:0x00D7 C:0x00D9 C:0x00DC C:0x00DE C:0x00E0 C:0x00E3 C:0x00E6 C:0x00E8 C:0x00EB C:0x00ED C:0x00EF C:0x00F1 C:0x00F4 C:0x00F7 C:0x00F9 C:0x00FC C:0x00FE C:0x0100 C:0x0103 C:0x0106 C:0x0108 C:0x010B C:0x010D C:0x010F C:0x0111 C:0x0114 C:0x0117 C:0x0119 C:0x011C C:0x011E C:0x0120 C:0x0123 C:0x0125 C:0x0127 C:0x012A C:0x012D
7FC0 MOV R7,#0xC0 120433 LCALL C:0433 7BFF MOV R3,#0xFF 7A02 MOV R2,#0x02 794A MOV R1,#0x4A 12031F LCALL C:031F 1203CE LCALL C:03CE C2B4 CLR T0(0xB0.4) 20B2FD JB INT0(0xB0.2),C:00D9 7F32 MOV R7,#0x32 803E SJMP C:011E 20911D JB T2EX(0x90.1),C:0100 12030B LCALL C:030B 7FC0 MOV R7,#0xC0 120433 LCALL C:0433 7BFF MOV R3,#0xFF 7A02 MOV R2,#0x02 795A MOV R1,#0x5A 12031F LCALL C:031F 1203CE LCALL C:03CE C2B4 CLR T0(0xB0.4) 20B2FD JB INT0(0xB0.2),C:00F9 7F0A MOV R7,#0x0A 801E SJMP C:011E 209227 JB 0x90.2,C:012A 12030B LCALL C:030B 7FC0 MOV R7,#0xC0 120433 LCALL C:0433 7BFF MOV R3,#0xFF 7A02 MOV R2,#0x02 796B MOV R1,#0x6B 12031F LCALL C:031F 1203CE LCALL C:03CE C2B4 CLR T0(0xB0.4) 20B2FD JB INT0(0xB0.2),C:0119 7F0A MOV R7,#0x0A 7E00 MOV R6,#0x00 1203D2 LCALL C:03D2 D2B1 SETB TXD(0xB0.1) D2B2 SETB INT0(0xB0.2) 0200C0 LJMP C:00C0 20930E JB 0x90.3,C:013B C2B1 CLR TXD(0xB0.1) 33
C:0x012F C:0x0131 C:0x0133 C:0x0135 C:0x0138 C:0x013B C:0x013E C:0x0140 C:0x0142 C:0x0144 C:0x0147 C:0x0149 C:0x014C C:0x014E C:0x0150 C:0x0152 C:0x0155 C:0x0158 C:0x015B C:0x015E C:0x0161 C:0x0163 C:0x0165 C:0x0167 C:0x016A C:0x016D C:0x016F C:0x0170 C:0x0173 C:0x0175 C:0x0177 C:0x0178 C:0x0179 C:0x017A C:0x017B C:0x017C C:0x017E C:0x0181 C:0x0183 C:0x0186 C:0x0188 C:0x018A C:0x018D
AF0F MOV R7,0x0F 050F INC 0x0F 8F0F MOV 0x0F,R7 12029C LCALL C:029C 0200C0 LJMP C:00C0 1203F2 LCALL C:03F2 7BFF MOV R3,#0xFF 7A02 MOV R2,#0x02 797B MOV R1,#0x7B 12031F LCALL C:031F 7FC0 MOV R7,#0xC0 120433 LCALL C:0433 7BFF MOV R3,#0xFF 7A02 MOV R2,#0x02 798B MOV R1,#TL1(0x8B) 12031F LCALL C:031F 309009 JNB T2(0x90.0),C:0161 309106 JNB T2EX(0x90.1),C:0161 309203 JNB 0x90.2,C:0161 2093F4 JB 0x90.3,C:0155 D2B1 SETB TXD(0xB0.1) D2B3 SETB INT1(0xB0.3) C2B4 CLR T0(0xB0.4) 0200C0 LJMP C:00C0 535953 ANL 0x59,#0x53 5445 ANL A,#0x45 4D ORL A,R5 205348 JB 0x2A.3,C:01BB 5554 ANL A,0x54 444F ORL A,#0x4F 57 ANL A,@R1 4E ORL A,R6 00 NOP 4F ORL A,R7 56 ANL A,@R0 4552 ORL A,0x52 204C4F JB 0x29.4,C:01D0 4144 AJMP C:0244 204552 JB 0x28.5,C:01D8 524F ANL 0x4F,A 5200 ANL 0x00,A 535953 ANL 0x59,#0x53 5445 ANL A,#0x45 34
C:0x018F C:0x0190 C:0x0193 C:0x0195 C:0x0197 C:0x0198 C:0x0199 C:0x019B C:0x019C C:0x019E C:0x01A0 C:0x01A2 C:0x01A5 C:0x01A6 C:0x01A7 C:0x01A8 C:0x01A9 C:0x01AA C:0x01AB C:0x01AC C:0x01AD C:0x01AE C:0x01AF C:0x01B0 C:0x01B3 C:0x01B5 C:0x01B7 C:0x01B9 C:0x01BB C:0x01BC C:0x01BD C:0x01C0 C:0x01C1 C:0x01C4 C:0x01C6 C:0x01C9 C:0x01CB C:0x01CD C:0x01CF C:0x01D2 C:0x01D5 C:0x01D6 C:0x01D8
4D ORL A,R5 205041 JB 0x2A.0,C:01D4 5553 ANL A,0x53 4544 ORL A,0x44 00 NOP 4A ORL A,R2 4159 AJMP C:0259 47 ORL A,@R1 5552 ANL A,0x52 5544 ANL A,0x44 4556 ORL A,0x56 200039 JB 0x20.0,C:01DE 39 ADDC A,R1 37 ADDC A,@R1 39 ADDC A,R1 36 ADDC A,@R0 2D ADD A,R5 32 RETI 39 ADDC A,R1 37 ADDC A,@R1 32 RETI 38 ADDC A,R0 00 NOP 434841 ORL 0x48,#0x41 524F ANL 0x4F,A 5441 ANL A,#0x41 5220 ANL 0x20,A 554E ANL A,0x4E 49 ORL A,R1 2E ADD A,R6 204F46 JB 0x29.7,C:0206 00 NOP 534349 ANL 0x43,#0x49 454E ORL A,0x4E 434520 ORL 0x45,#0x20 414E AJMP C:024E 4420 ORL A,#0x20 5445 ANL A,#0x45 434800 ORL 0x48,#0x00 202020 JB 0x24.0,C:01F5 47 ORL A,@R1 5549 ANL A,0x49 4445 ORL A,#0x45 35
C:0x01DA C:0x01DC C:0x01DE C:0x01DF C:0x01E2 C:0x01E3 C:0x01E4 C:0x01E6 C:0x01E9 C:0x01EA C:0x01EB C:0x01EE C:0x01EF C:0x01F1 C:0x01F2 C:0x01F4 C:0x01F5 C:0x01F7 C:0x01F9 C:0x01FA C:0x01FC C:0x01FD C:0x01FE C:0x0201 C:0x0202 C:0x0205 C:0x0206 C:0x0207 C:0x0209 C:0x020C C:0x020E C:0x020F C:0x0210 C:0x0211 C:0x0212 C:0x0213 C:0x0214 C:0x0215 C:0x0217 C:0x0219 C:0x021B C:0x021D C:0x021F
4420 ORL A,#0x20 4259 ORL 0x59,A 2E ADD A,R6 202020 JB 0x24.0,C:0202 00 NOP 4D ORL A,R5 722E ORL C,0x25.6 204A45 JB 0x29.2,C:022E 4E ORL A,R6 49 ORL A,R1 534820 ANL 0x48,#0x20 4D ORL A,R5 4543 ORL A,0x43 57 ANL A,@R1 414E AJMP C:024E 00 NOP 5241 ANL 0x41,A 5448 ANL A,#0x48 4F ORL A,R7 4420 ORL A,#0x20 56 ANL A,@R0 49 ORL A,R1 534841 ANL 0x48,#0x41 4C ORL A,R4 20422E JB 0x28.2,C:0233 00 NOP 28 ADD A,R0 442F ORL A,#0x2F 30382F JNB 0x27.0,C:023B 4545 ORL A,0x45 2F ADD A,R7 36 ADDC A,@R0 39 ADDC A,R1 29 ADD A,R1 00 NOP 47 ORL A,@R1 4F ORL A,R7 5220 ANL 0x20,A 4448 ORL A,#0x48 5255 ANL 0x55,A 5041 JNC C:025E 4420 ORL A,#0x20 422E ORL 0x2E,A 36
C:0x0221 C:0x0222 C:0x0223 C:0x0225 C:0x0228 C:0x022A C:0x022B C:0x022C C:0x022E C:0x022F C:0x0230 C:0x0232 C:0x0235 C:0x0236 C:0x0237 C:0x0239 C:0x023C C:0x023D C:0x023E C:0x0240 C:0x0243 C:0x0245 C:0x0246 C:0x0247 C:0x0248 C:0x0249 C:0x024A C:0x024B C:0x024C C:0x024E C:0x024F C:0x0250 C:0x0251 C:0x0252 C:0x0254 C:0x0256 C:0x0258 C:0x025A C:0x025C C:0x025E C:0x0260 C:0x0261 C:0x0262
00 NOP 28 ADD A,R0 442F ORL A,#0x2F 30382F JNB 0x27.0,C:0257 4545 ORL A,0x45 2F ADD A,R7 36 ADDC A,@R0 3529 ADDC A,0x29 00 NOP 4C ORL A,R4 4144 AJMP C:0244 205049 JB 0x2A.0,C:027E 4E ORL A,R6 4B ORL A,R3 414C AJMP C:024C 20532E JB 0x2A.3,C:026A 00 NOP 28 ADD A,R0 442F ORL A,#0x2F 30382F JNB 0x27.0,C:0272 4545 ORL A,0x45 2F ADD A,R7 36 ADDC A,@R0 38 ADDC A,R0 29 ADD A,R1 00 NOP 4F ORL A,R7 56 ANL A,@R0 4552 ORL A,0x52 2D ADD A,R5 56 ANL A,@R0 4F ORL A,R7 4C ORL A,R4 5420 ANL A,#0x20 4552 ORL A,0x52 524F ANL 0x4F,A 5200 ANL 0x00,A 554E ANL A,0x4E 4445 ORL A,#0x45 522D ANL 0x2D,A 56 ANL A,@R0 4F ORL A,R7 4C ORL A,R4 37
C:0x0263 C:0x0265 C:0x0267 C:0x0269 C:0x026B C:0x026D C:0x026F C:0x0270 C:0x0271 C:0x0272 C:0x0273 C:0x0276 C:0x0278 C:0x0279 C:0x027B C:0x027D C:0x027E C:0x0280 C:0x0282 C:0x0285 C:0x0287 C:0x0289 C:0x028C C:0x028D C:0x028E C:0x0290 C:0x0291 C:0x0292 C:0x0293 C:0x0294 C:0x0296 C:0x0299 C:0x029A C:0x029C C:0x029D C:0x029E C:0x02A0 C:0x02A2 C:0x02A5 C:0x02A8 C:0x02AA C:0x02AD C:0x02AF
5420 ANL A,#0x20 4552 ORL A,0x52 524F ANL 0x4F,A 5200 ANL 0x00,A 4541 ORL A,0x41 5254 ANL 0x54,A 48 ORL A,R0 49 ORL A,R1 4E ORL A,R6 47 ORL A,@R1 204C45 JB 0x29.4,C:02BB 414B AJMP C:024B 47 ORL A,@R1 4500 ORL A,0x00 444F ORL A,#0x4F 4D ORL A,R5 4553 ORL A,0x53 5449 ANL A,#0x49 432047 ORL 0x20,#0x47 4155 AJMP C:0255 5244 ANL 0x44,A 20004F JB 0x20.0,C:02DB 56 ANL A,@R0 2D ADD A,R5 5556 ANL A,0x56 2D ADD A,R5 4F ORL A,R7 4C ORL A,R4 2D ADD A,R5 454C ORL A,0x4C 205341 JB 0x2A.3,C:02DA 46 ORL A,@R0 4500 ORL A,0x00 EF MOV A,R7 D3 SETB C 9403 SUBB A,#0x03 4028 JC C:02CA 1203F2 LCALL C:03F2 120319 LCALL C:0319 7FC0 MOV R7,#0xC0 120433 LCALL C:0433 7BFF MOV R3,#0xFF 7A01 MOV R2,#0x01 38
C:0x02B1 C:0x02B3 C:0x02B6 C:0x02B8 C:0x02BA C:0x02BD C:0x02BF C:0x02C2 C:0x02C3 C:0x02C5 C:0x02C7 C:0x02C9 C:0x02CA C:0x02CC C:0x02CE C:0x02D0 C:0x02D3 C:0x02D5 C:0x02D7 C:0x02D9 C:0x02DC C:0x02DE C:0x02E1 C:0x02E3 C:0x02E5 C:0x02E7 C:0x02EA C:0x02EC C:0x02EE C:0x02F1 C:0x02F3 C:0x02F6 C:0x02F8 C:0x02FA C:0x02FD C:0x02FF C:0x0301 C:0x0303 C:0x0306 C:0x0308 C:0x030A C:0x030B C:0x030D
797A MOV R1,#0x7A 12031F LCALL C:031F C2B3 CLR INT1(0xB0.3) D2B4 SETB T0(0xB0.4) 1203CE LCALL C:03CE C2B4 CLR T0(0xB0.4) 20B2FD JB INT0(0xB0.2),C:02BF E4 CLR A F50F MOV 0x0F,A D2B1 SETB TXD(0xB0.1) D2B2 SETB INT0(0xB0.2) 22 RET D2B4 SETB T0(0xB0.4) C2A4 CLR 0xA0.4 D2A3 SETB 0xA0.3 1203F2 LCALL C:03F2 7BFF MOV R3,#0xFF 7A01 MOV R2,#0x01 798A MOV R1,#TL0(0x8A) 12031F LCALL C:031F 7FC0 MOV R7,#0xC0 120433 LCALL C:0433 7BFF MOV R3,#0xFF 7A01 MOV R2,#0x01 797A MOV R1,#0x7A 12031F LCALL C:031F 7F32 MOV R7,#0x32 7E00 MOV R6,#0x00 1203D2 LCALL C:03D2 D2A4 SETB 0xA0.4 1203CE LCALL C:03CE C2B3 CLR INT1(0xB0.3) C2B4 CLR T0(0xB0.4) 20A3FD JB 0xA0.3,C:02FA D2B3 SETB INT1(0xB0.3) 7F32 MOV R7,#0x32 7E00 MOV R6,#0x00 1203D2 LCALL C:03D2 D2B1 SETB TXD(0xB0.1) D2A3 SETB 0xA0.3 22 RET C2B1 CLR TXD(0xB0.1) D2B4 SETB T0(0xB0.4) 39
C:0x030F 7F0A MOV R7,#0x0A C:0x0311 7E00 MOV R6,#0x00 C:0x0313 1203D2 LCALL C:03D2 C:0x0316 12045D LCALL C:045D C:0x0319 7BFF MOV R3,#0xFF C:0x031B 7A01 MOV R2,#0x01 C:0x031D 796A MOV R1,#0x6A C:0x031F 8B08 MOV 0x08,R3 C:0x0321 8A09 MOV 0x09,R2 C:0x0323 890A MOV 0x0A,R1 C:0x0325 12040B LCALL STRLEN(C:040B) C:0x0328 8E0D MOV 0x0D,R6 C:0x032A 8F0E MOV 0x0E,R7 C:0x032C E4 CLR A C:0x032D F50B MOV 0x0B,A C:0x032F F50C MOV 0x0C,A C:0x0331 C3 CLR C C:0x0332 E50C MOV A,0x0C C:0x0334 950E SUBB A,0x0E C:0x0336 E50D MOV A,0x0D C:0x0338 6480 XRL A,#P0(0x80) C:0x033A F8 MOV R0,A C:0x033B E50B MOV A,0x0B C:0x033D 6480 XRL A,#P0(0x80) C:0x033F 98 SUBB A,R0 C:0x0340 501D JNC C:035F C:0x0342 AB08 MOV R3,0x08 C:0x0344 AA09 MOV R2,0x09 C:0x0346 A90A MOV R1,0x0A C:0x0348 850C82 MOV DP0L(0x82),0x0C C:0x034B 850B83 MOV DP0H(0x83),0x0B C:0x034E 120360 LCALL C?CLDOPTR(C:0360) C:0x0351 FF MOV R7,A C:0x0352 120442 LCALL C:0442 C:0x0355 050C INC 0x0C C:0x0357 E50C MOV A,0x0C C:0x0359 70D6 JNZ C:0331 C:0x035B 050B INC 0x0B C:0x035D 80D2 SJMP C:0331 C:0x035F 22 RET C?CLDOPTR: C:0x0360 BB010C CJNE R3,#0x01,C:036F C:0x0363 E582 MOV A,DP0L(0x82) 40
C:0x0365 29 ADD A,R1 C:0x0366 F582 MOV DP0L(0x82),A C:0x0368 E583 MOV A,DP0H(0x83) C:0x036A 3A ADDC A,R2 C:0x036B F583 MOV DP0H(0x83),A C:0x036D E0 MOVX A,@DPTR C:0x036E 22 RET C:0x036F 5006 JNC C:0377 C:0x0371 E9 MOV A,R1 C:0x0372 2582 ADD A,DP0L(0x82) C:0x0374 F8 MOV R0,A C:0x0375 E6 MOV A,@R0 C:0x0376 22 RET C:0x0377 BBFE06 CJNE R3,#0xFE,C:0380 C:0x037A E9 MOV A,R1 C:0x037B 2582 ADD A,DP0L(0x82) C:0x037D F8 MOV R0,A C:0x037E E2 MOVX A,@R0 C:0x037F 22 RET C:0x0380 E582 MOV A,DP0L(0x82) C:0x0382 29 ADD A,R1 C:0x0383 F582 MOV DP0L(0x82),A C:0x0385 E583 MOV A,DP0H(0x83) C:0x0387 3A ADDC A,R2 C:0x0388 F583 MOV DP0H(0x83),A C:0x038A E4 CLR A C:0x038B 93 MOVC A,@A+DPTR C:0x038C 22 RET C?CLDPTR: C:0x038D BB0106 CJNE R3,#0x01,C:0396 C:0x0390 8982 MOV DP0L(0x82),R1 C:0x0392 8A83 MOV DP0H(0x83),R2 C:0x0394 E0 MOVX A,@DPTR C:0x0395 22 RET C:0x0396 5002 JNC C:039A C:0x0398 E7 MOV A,@R1 C:0x0399 22 RET C:0x039A BBFE02 CJNE R3,#0xFE,C:039F C:0x039D E3 MOVX A,@R1 C:0x039E 22 RET C:0x039F 8982 MOV DP0L(0x82),R1 C:0x03A1 8A83 MOV DP0H(0x83),R2 C:0x03A3 E4 CLR A 41
C:0x03A4 C:0x03A5 C:0x03A6 C:0x03A8 C:0x03AA C:0x03AC C:0x03AE C:0x03AF C:0x03B0 C:0x03B1 C:0x03B2 C:0x03B3 C:0x03B4 C:0x03B5 C:0x03B6 C:0x03B8 C:0x03B9 C:0x03BA C:0x03BB C:0x03BC C:0x03BF C:0x03C0 C:0x03C3 C:0x03C6 C:0x03C7 C:0x03CA C:0x03CB C:0x03CD C:0x03CE C:0x03D0 C:0x03D2 C:0x03D3 C:0x03D4 C:0x03D5 C:0x03D6 C:0x03D7 C:0x03D8 C:0x03D9 C:0x03DA C:0x03DB C:0x03DC C:0x03DD C:0x03DF
93 MOVC A,@A+DPTR 22 RET C2A6 CLR 0xA0.6 D2A7 SETB 0xA0.7 7F01 MOV R7,#0x01 7E00 MOV R6,#0x00 E4 CLR A FD MOV R5,A FC MOV R4,A C3 CLR C ED MOV A,R5 9F SUBB A,R7 EC MOV A,R4 9E SUBB A,R6 5015 JNC C:03CD E4 CLR A FB MOV R3,A FA MOV R2,A 0B INC R3 BB0001 CJNE R3,#0x00,C:03C0 0A INC R2 BA04F8 CJNE R2,#0x04,C:03BB BBFBF5 CJNE R3,#0xFB,C:03BB 0D INC R5 BD0001 CJNE R5,#0x00,C:03CB 0C INC R4 80E4 SJMP C:03B1 22 RET 7FE8 MOV R7,#0xE8 7E03 MOV R6,#0x03 E4 CLR A FD MOV R5,A FC MOV R4,A E4 CLR A FB MOV R3,A FA MOV R2,A C3 CLR C EB MOV A,R3 9F SUBB A,R7 EA MOV A,R2 9E SUBB A,R6 5007 JNC C:03E6 0B INC R3 42
C:0x03E0 BB0001 CJNE R3,#0x00,C:03E4 C:0x03E3 0A INC R2 C:0x03E4 80F2 SJMP C:03D8 C:0x03E6 0D INC R5 C:0x03E7 BD0001 CJNE R5,#0x00,C:03EB C:0x03EA 0C INC R4 C:0x03EB ED MOV A,R5 C:0x03EC 64C8 XRL A,#T2CON(0xC8) C:0x03EE 4C ORL A,R4 C:0x03EF 70E4 JNZ C:03D5 C:0x03F1 22 RET C:0x03F2 7F38 MOV R7,#0x38 C:0x03F4 120433 LCALL C:0433 C:0x03F7 7F0E MOV R7,#0x0E C:0x03F9 120433 LCALL C:0433 C:0x03FC 7F01 MOV R7,#0x01 C:0x03FE 120433 LCALL C:0433 C:0x0401 7F06 MOV R7,#0x06 C:0x0403 120433 LCALL C:0433 C:0x0406 7F80 MOV R7,#P0(0x80) C:0x0408 020433 LJMP C:0433 STRLEN: C:0x040B E4 CLR A C:0x040C FF MOV R7,A C:0x040D FE MOV R6,A C:0x040E 12038D LCALL C?CLDPTR(C:038D) C:0x0411 600C JZ C:041F C:0x0413 0F INC R7 C:0x0414 EF MOV A,R7 C:0x0415 7001 JNZ C:0418 C:0x0417 0E INC R6 C:0x0418 09 INC R1 C:0x0419 E9 MOV A,R1 C:0x041A 70F2 JNZ C:040E C:0x041C 0A INC R2 C:0x041D 80EF SJMP C:040E C:0x041F 22 RET C:0x0420 D287 SETB 0x80.7 C:0x0422 C2A5 CLR 0xA0.5 C:0x0424 D2A6 SETB 0xA0.6 C:0x0426 308709 JNB 0x80.7,C:0432 C:0x0429 C2A7 CLR 0xA0.7 C:0x042B 1203AA LCALL C:03AA 43
C:0x042E C:0x0430 C:0x0432 C:0x0433 C:0x0435 C:0x0438 C:0x043A C:0x043C C:0x043F C:0x0441 C:0x0442 C:0x0444 C:0x0447 C:0x0449 C:0x044B C:0x044E C:0x0450 C:0x0451 C:0x0453 C:0x0454 C:0x0455 C:0x0457 C:0x045A C:0x045D C:0x045F C:0x0462 C:0x0464
D2A7 SETB 0xA0.7 80F4 SJMP C:0426 22 RET A907 MOV R1,0x07 120420 LCALL C:0420 8980 MOV P0(0x80),R1 C2A5 CLR 0xA0.5 1203A6 LCALL C:03A6 C2A7 CLR 0xA0.7 22 RET A907 MOV R1,0x07 120420 LCALL C:0420 8980 MOV P0(0x80),R1 D2A5 SETB 0xA0.5 1203A6 LCALL C:03A6 C2A7 CLR 0xA0.7 22 RET 787F MOV R0,#0x7F E4 CLR A F6 MOV @R0,A D8FD DJNZ R0,C:0454 75810F MOV SP(0x81),#0x0F 020003 LJMP C:0003 7F01 MOV R7,#0x01 120433 LCALL C:0433 7F80 MOV R7,#P0(0x80) 020433 LJMP C:0433
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12. CONCLUSION All ELCBs O/V & U/V in the world need to take a fresh-look at the novel concept described here to ensure safety of human life under all circumstances. Arbitrarily increasing the threshold sense limit and reducing possibility of nuisance tripping endangers human life. Dual limit endanger human life it is also important to see that for effective operation people working with such equipments should stand on normal ground only. O/V & U/V circuit provides safety to the human life from healthy as well as economical in manner that if short circuit happens than person can get a shock & he may injured or sometimes he may died if electric shock is very much high and if there is over voltage or under voltage than the electrical appliances may get damaged or useless.
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13. BIBLIOGRAPHY REFERENCE WEB SITE
[email protected]:in www.o/v & u/
[email protected] www.circuit.ideas.com www.encyclopedia.com www.alldatasheet.com www.wekipedia.com www.DatasheetCatalog.com www.microsemi.com
REFERENCE BOOKS ELECTRICAL INDIA • MAY 2005 VOL:45 • JUNE 2006 VOL:45 SWITCH GEAR PROTECTION SYSTEM • BY S.S.RAO PRINCIPLES OF ELECTRONICS • BY V.K.MEHTA POWER SYSTEM PROTECTION STATIC RELAY • BY T.S.MADHAV RAO
NOTE: - Various softwares are used to program the controller and to design a PCB such are as Express PCB, Electra, target3001_discovere_v14, Keil_uVision.
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