Digital Control System
Addendum to Technical Manual System version: from 5.1.0 to 5.1.5 DS Agile/EN M/C65a
WARNING This Addendum added to the Technical Manual that it complements give instructions for installation, commissioning and operation of the DS Agile System. However, the guide cannot cover all conceivable circumstances or include detailed information on all topics. In the event of questions or specific problems, do not take any action without proper authorization. Please, contact the appropriate Alstom technical sales office and request the necessary information. Refer to the System Release Notes for new features. Any agreements, commitments, and legal relationships and any obligations on the part of Alstom, including settlement of warranties, result solely from the applicable purchase contract, which is not affected by the contents of the guide.
DS Agile System
Addendum to Technical Manual
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SCOPE OF THE DOCUMENT
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CHANGES TO THE FUNCTIONAL DESCRIPTION CHAPTER (DS AGILE/EN FT)
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Section 1.10.3 – Local/remote control operating modes: Cancels and replaces the existing section.
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SCOPE OF THE DOCUMENT
The present document is an addendum to the DS Agile System Technical Manual ref. DS Agile/EN M/C60 (system version 5.1.0). It covers a feature added to the system between system version 5.1.0 and system version 5.1.5:
Addition of a new Substation Local/Remote mode independently settable for each electrical bay managed by a C26x The changes are presented as standard "cancels and replaces" existing sections in the chapter impacted by the system's evolutions:
Functional Description chapter:
Section 1.10.3 – Local/remote control operating modes
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SECTION 1.10.3 – LOCAL/REMOTE CONTROL OPERATING MODES: CANCELS AND REPLACES THE EXISTING SECTION.
1.10.3
LOCAL/REMOTE CONTROL OPERATING MODES
1.10.3.1
GLOBAL SUBSTATION LOCAL/REMOTE MODE (STATION BUS LEVEL)
A substation can be in remote control mode or local control mode. Remote mode means that the substation is controlled from the Remote Control Point (RCP), via a gateway. No control command can be sent from the Substation Control Point (SCP) level (except if the target bay is in SBMC mode, see below). Local mode means that the substation is controlled from the DS Agile Operator Interface (Substation Control Point). The control commands issued from the RCP are not taken into account by the system, they are refused. Some control commands, defined during the configuration stage, can be independent of the global substation L/R control mode: It means that they can be issued from the SCP or the RCP, regardless of the current L/R control mode. Control commands from a configurable automation (ISaGRAF) are accepted, regardless of the current L/R mode. 1.10.3.2
SUBSTATION LOCAL/REMOTE MODE PER BAY (STATION BUS LEVEL)
This feature is similar to the Global Substation L/R mode described above, except that the Substation L/R mode can be switched independently for each bay. Remote mode means that the bay is controlled from the Remote Control Point (RCP), via a gateway. No control command can be sent from the Substation Control Point (SCP) level (except if the bay is in SBMC mode, see below). Local mode means that the bay is controlled from the DS Agile Operator Interface (Substation Control Point). The control commands issued from the RCP are not taken into account by the system, they are refused. Some control commands, defined during the configuration stage, can be independent of the substation L/R control mode of the bay: It means that they can be issued from the SCP or the RCP, regardless of the current L/R control mode. Control commands from a configurable automation (ISaGRAF) are accepted, regardless of the current L/R mode. Note: The substation L/R mode per bay can only be used in bays managed by a C26x. This means that the datapoint MUST NOT be placed under bays managed by gateways or protection IEDs for instance.
Note: The global substation L/R mode and the substation L/R mode per bay are mutually exclusive. When the L/R mode per bay is declared in a database, the global L/R mode MUST be set to REMOTE by default and must not be switchable.
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1.10.3.3
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BAY LOCAL/REMOTE MODE (C26X/BCP LEVEL)
Each electrical bay can be independently set to Remote or Local mode. Remote mode means that the bay is controlled from the upper level, i.e. the Remote Control Point (RCP) or the Substation Control Point (SCP), depending on the current substation control mode. No control commands can be sent from the Bay Control Point (BCP) level, i.e. the front panel LHMI of the DS Agile C26x controller that manages the bay. Local mode means that the bay is controlled from the BCP. Control commands issued from upper levels are refused. Some control commands, defined during the configuration stage, can be independent of the bay L/R control mode: It means that they can be issued from any control points, regardless of the current control mode. Control commands from a configurable automation (ISaGRAF) are accepted in remote mode. 1.10.3.4
SBMC MODE
The SBMC (Site Based Maintenance Control) mode is used to control a specific bay from the controller’s Local HMI or from the system’s Operator Interface even if the substation is in remote mode. This feature is normally used during commissioning and maintenance operations. It also makes it possible to filter the data transmitted from the bay to the SCADA. The Gateway manages the filtering of SBMC-dependant datapoints in both directions (control and indication) so that:
While in SBMC mode, an electrical bay does not receive, and therefore does not execute, SBMCdependent xPC commands received from the Remote Control Point (RCP), even if the substation is in remote mode and whatever device manages them,
Whatever the device that manages them, SBMC-dependent information signals from a bay in SBMC mode are not forwarded to the RCB and are suppressed or substituted with a preset value instead. All the information signals received from C26x BCUs and IEDs, as well as from the IEC 61850/IEC 61850 Gateway's lower level, can be sent to the RCP when the SBMC mode is not active. The datapoints that control and indicate SBMC mode for an electrical bay can be managed by the following devices:
a DS Agile C26x BCU, an IEC 61850/IEC 61850 Gateway or another compatible IED. Note: Only the device that manages the electrical bay can manage the SBMC datapoints attached to it.
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The diagram below shows an example of configuration where the SBMC mode allows blocking the commands from the SCADA and filtering information datapoints:
SCADA
Key: IEC 61850 network
SCADA Network
IEC 60870-5-104 network Bay management relation Datapoint management
DS Agile Substation Operator
GTW (slave protocol)
Switch 3
Bay 1 (managed by C264) SBMC1 Datapoints managed by C264 in both bays
DB for Upper Network
Switch 1
DB for Lower Network
Switch 2
C264
Bay 2 (managed by C264) SBMC2
GTW1-T104M IEC 60870-5-104
IED3
Datapoints managed by IED1 in Bay 1
IED1 IED4 Datapoints managed by IED2 in Bay 2
IED 1 (T104 slave)
IED 2 (T104 slave)
IED2 S1052ENc
The availability of SBMC filtering is defined independently for each electrical bay during the configuration process. Note: An SBMC SPS datapoint covers all the SBMC-dependent datapoints of its electrical bay, including datapoints managed by a device other than the one that manages the SBMC SPS. It cannot manage any other datapoint.
1.10.3.5
LOCAL/REMOTE MANAGEMENT ON IEC/IEC GATEWAY
A configuration attribute allows you to define that the IEC61850 / IEC61850 gateway must use the Substation Local/Remote information. The Substation Local/Remote xPS comes from the lower IEC 61850-8-1 network.
Note: Substation Local/Remote per bay can only be used in single ring Station Bus networks; it cannot be used in an IEC 61850/IEC 61850 architecture.
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