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Table 2-11
Interlocking Commands
Switching Authority
System Interlocking
Bay Interlocking
SET = ACTUAL (switch direction check)
Protection Blockage
Figure 2-73 shows all interlocking conditions (which usually appear in the display of the device) for three switch-
gear items with the relevant abbreviations explained in Table 2-11. All parameterised interlocking conditions
are indicated.
Figure 2-73
Control Logic via CFC
For the bay interlocking, an enabling logic can be structured using the CFC. Via specific release conditions the
information „released" or „bay interlocked" are available, e.g. object „52 Close" and „52 Open" with the data
values: ON/OFF).
2.10.1.4 Information List
No.
-
ModeREMOTE
-
Cntrl Auth
-
ModeLOCAL
2.10.2
Control Device
Switchgear can be controlled via the device operator panel, PC interface and the serial interface as well as a
connection to the control system for switchgear with single and double busbars.
The number of switchgear devices to be controlled is limited by the number of binary inputs and outputs.
Applications
• Devices with integrated or detached operator panel
Prerequisites
The number of switchgear devices to be controlled is limited by the
– binary inputs present
– binary outputs present
SIPROTEC, 7VK61, Manual
C53000-G1176-C159-3, Release date 05.2009
Interlocking Commands
Example of configured interlocking conditions
Information
Command
L
S
Z
P
B
Type of Information
IntSP
IntSP
IntSP
2.10 Command Processing
Display
L
S
Z
P
B
Comments
Controlmode REMOTE
Control Authority
Controlmode LOCAL
Functions
175
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