RW-ST01D 2.0 manual

 RW-ST01D Model  RW-ST01D

2.0

Version Version 1/15 1/ 15

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RW-ST01D 2.0 Digital Load Cell Transmitter  7 /ater-roo& design and good sealing 7 2( 8it 9D4 resolution and +ig+"s-eed micro-rocessor micro-rocessor 7 Digital &ilter inside 7 RS2'2 or RS()5 inter&ace su--orting :OD;
Specification

Overall Precision

0.1%±2digit

%F.S.

Resolution

>50000

Digit

oad cell Sensitivit!

0.5"2

m#$#

nter&ace

RS2'2$RS()5*notice us w+en order,

Power Su--l!

12"2( #dc

Power 

1/ * single '50 load cell,

/oring nvironment

"'0")534 )5%R6

Dimension (mm)

Wiring

Connection

oad 4ell

Description

No.

1

oad cell citation A

2

oad cell Signal Out-ut A

'

oad cell Signal Out-ut "

(

oad cell citation "

5

S+ield

2(#D4A

B Power Su--l!

2(#D4"

C 4ommunication )

RS2' 2

Data =ransmit

Data Receive 

RS()5

D9=9A$9

D9=9"$;

4ommon

10

4ommon *O-tional,

 Note: when wiring, please disonnet all the e!"ip#ents$ power s"pplies at %oth sides o& o##"niation ter#inal.

!D"#S RT# protocol 1. De&ault Format? B008-s 1 start 8it ) data 8its no -arit! 1 sto- 8it communication s-eed and -arit! 8it revisa8le 2. De&ault address 01 su--ort address range?1"25(. 0 is 8roadcast address. Please do not use 8roadcast address i&  -arallel connection more t+an *include two, two transmitters on same RS()5 8us.  9ll t+e o-eration o& +ost towards transmitter can 8e done 8! revising +olding register. See attac+ed ta8le 1. =a8le 1? =ransmitter -arameters and :OD;
#alue Range

Remars

'2"8it integer

/rite t+is register to clear or   -reset dis-la!ed value :OD;
0002"000' 000("0005 000B"000C 000)"000 0009"000; 0004"000D 000"000F 0010"0011 0012"001' 001("0015 001B"001C 001)"001 0019"001; 0014"001D 001"001F 0020"0021 0022"002' 002("0025 002B"002C 002)"002 0029"002; 00'("00'5 005B"005C 005)"005 0059"005; 0054"005D

(000'"(000( (0005"(000B (000C"(000) (000"(0010 (0011"(0012 (001'"(001( (0015"(001B (001C"(001) (001"(0020 (0021"(0022 (002'"(002( (0025"(002B (002C"(002) (002"(00'0 (00'1"(00'2 (00''"(00'( (00'5"(00'B (00'C"(00') (00'"(00(0 (00(1"(00(2 (00('"(00(( (005'"(005( (00)C"(00)) (00)"(000 (001"(002 (00'"(00(

R$/ R$/ R$/ R$/ R$/ R$/ R$/ R$/ R$/ R$/ R$/ R$/ R$/ R$/ R$/ R$/ R$/ R$/ R$/ R$/ R$/ R$/ R$/ R$/ R$/ R$/

1"25( '2"8it integer   2" '2"8it integer '2"8it integer '2"8it integer '2"8it integer '2"8it integer '2"8it integer '2"8it integer '2"8it integer '2"8it integer '2"8it integer '2"8it integer '2"8it integer '2"8it integer '2"8it integer '2"8it integer '2"8it integer '2"8it integer '2"8it integer 0$1 0"5 0"1000 0"10 0"50

005"005F

(005"(00B

R$/

0"10000

00B0"00B1

(00C"(00)

R$/

1"50

=ime unit?01 second

00B2"00B'

(00"(0100

R$/

1"100


00B("00B5

(0101"(0102

R$/

1"250

1 st cali8ration -oint 9D value 2 nd cali8ration -oint 9D value ' rd cali8ration -oint 9D value ( t+ cali8ration -oint 9D value 5 t+ cali8ration -oint 9D value B t+ cali8ration -oint 9D value C t+ cali8ration -oint 9D value ) t+ cali8ration -oint 9D value  t+ cali8ration -oint 9D value 1 st cali8ration dis-la!ed value 2 nd cali8ration dis-la!ed value ' rd cali8ration dis-la!ed value ( t+ cali8ration dis-la!ed value 5 t+ cali8ration dis-la!ed value B t+ cali8ration dis-la!ed value C t+ cali8ration dis-la!ed value ) t+ cali8ration dis-la!ed value  t+ cali8ration dis-la!ed value 10 or (0times -er second

'00"1152008-s see ta8le 2 =ime unit?0.1 second

Parit! 4+ecing ;it  9D 4ode

00BB"00BC

(010'"(010(

R$/

0"(

1F(0"1F(1

()001"()002

RO

'2"8it integer

=a8le 2? ;aud rate setting value #alue 9ctual ;aud Rate*8-s, 0

'00

1

B00

2

1200

'

2(00

(

()00

5

B00

B

1200

C

2))00

)

')(00



5CB00

10

115200

Serial communication -arit! 8it see ta8le ' 9D value wit+out cali8ration

=a8le '? Parit! 8it setting value #alue 0 1 2 ' (

4ali8ration :ode o -arit! Odd -arit! ven -arit! :9RI SP94

Comm$nication %&le' 1. Read measured value? use &unction code 0' to read +olding register. Register o. o& measured value is 0000"0001*(0001"(0002, engt+ is ( 8!te signed long integer. Dimension is related wit+ cali8ration. For  eam-le i& load cell range is )00g and cali8ration is )00000 w+ic+ means t+e data read is actual measured value and unit is g. & cali8ration is )0000 t+e value unit read is 0.01g. =+is transmitter does not su--ort decimal -oint. Guer! message &rom 6ost? 01 0' 00 00 00 02 4( 0; *slave address? 01 &unction 0' read 2 consecutive +olding register &rom 0000 t+e last is 4R4 cali8ration code,  Res-onsive message &rom transmitter? 01 0' 0( 00 01 05 2 2) 9 *slave address? 01 &unction? 0' res-onsive ( 8!te data? 00 01 05 2 w+ic+ means decimal BC0(2 t+at is measured value is BC0(2 t+e last is 4R4 cali8ration code, 2. Setting transmitter device address? use &unction code 10 to write man! +olding register. For eam-le? t+e original device address is 01 need to revise to 10. Guer! message &rom 6ost? 01 10 00 02 00 02 0( 00 00 00 09 F2 C1 *slave address is 01 &unction?10 write 2 consecutive +oling register &rom 0002 total data 8!tes?( new address 10 is c+anged to '2"8!te +e 00 00 00 09 t+e last is 4R4 cali8ration code, Res-onsive message &rom transmitter? 01 10 00 02 00 02 0 0) *slave address? 01 &unction? 10 write 2 consecutive +olding register &rom 0002 t+e last is 4R4 cali8ration code, '. 4lear? write measured value register 0 directl!. & need to s+ow ot+er value -lease write t+e corres-onding value to mae dis-la! -resetting. 6owever -lease note t+at t+is o-eration could not save Hero value in t+e inner -art o& transmitter w+en -ower u- net time it will return to original set value. Guer! :essage &rom 6ost? 01 10 00 00 00 02 0( 00 00 00 00 F' 9F * slave address?01 &unction? 10 write 2 consecutive +olding register &rom 0000 total data 8!tes? ( set dis-la!ed value 0 t+e last is 4R4 cali8ration code, Res-onsive :essage &rom transmitter? 01 10 00 00 00 02 (1 4) *slave address? 01 &unction 10 write 2 consecutive +olding register &rom 0000 t+e last is 4R4 cali8ration code,.

(. Eero setting? First read -resent dis-la!ed value and t+en write it into transmitter Hero -oint register. Please note t+at do not mae clear 8e&ore t+is o-eration. /riting Hero tracing value 0 is used &or &actor! testing. So we suggest using clear &unction so as not to s+orten service li&e o& inner -art o& transmitter 5. :OD;