substation. Furthermore, certain settings for the serial interface need to be made in the device (see SIPROTEC
4 System Description).
Information List
No. Information Type of
Informa-
tion
Comments
- 52Breaker CF_D12 52 Breaker
- 52Breaker DP 52 Breaker
- Disc.Swit. CF_D2 Disconnect Switch
- Disc.Swit. DP Disconnect Switch
- GndSwit. CF_D2 Ground Switch
- GndSwit. DP Ground Switch
31000 Q0 OpCnt= VI Q0 operationcounter=
31001 Q1 OpCnt= VI Q1 operationcounter=
31008 Q8 OpCnt= VI Q8 operationcounter=
Types of Commands
In conjunction with the power system control several command types can be distinguished for the device:
Functional Description
Commands to the Process
These are all commands that are directly output to the switchgear to change their process state:
•
Switching commands for controlling the circuit breakers (not synchronized), disconnectors and ground
electrodes
•
Step commands, e.g. raising and lowering transformer LTCs
•
Set-point commands with configurable time settings, e.g. to control Petersen coils
Internal / Pseudo Commands
They do not directly operate binary outputs. They serve to initiate internal functions, simulate changes of
state, or to acknowledge changes of state.
•
Manual overriding commands to manually update information on process-dependent objects such as
annunciations and switching states, e.g. if the communication with the process is interrupted. Manually
overridden objects are flagged as such in the information status and can be displayed accordingly.
•
Tagging commands (for "setting") of the information value of internal objects, for example switching
authority (remote/local), settings group switching, data transmission block and deleting/presetting
metered values.
•
Acknowledgment and resetting commands for setting and resetting internal buffers or data states.
•
Information status command to set/reset the additional information "information status" of a process
object, such as:
– Input blocking
– Output blocking
Command Sequence
Safety mechanisms in the command sequence ensure that a command can only be released after a thorough
check of preset criteria has been successfully concluded. Standard Interlocking checks are provided for each
2.24.1.2
2.24.2
2.24.2.1
2.24.3
Functions
2.24 Breaker Control
300 SIPROTEC 4, 7SJ80, Manual
E50417-G1140-C343-A8, Edition 12.2017
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