Information List - Siemens SIPROTEC Manual

Functions
2.27 Command Processing
The display shows the configured interlocking reasons. The are marked by letters as explained in Table 2-26.
Table 2-26
Interlocking Commands
Switching Authority
System Interlocking
Bay Interlocking
SET = ACTUAL (switch direction check)
Protection Blockage
Figure 2-239 shows all interlocking conditions (which usually appear in the display of the device) for three
switchgear items with the relevant abbreviations explained in Table 2-26. All parameterised interlocking condi-
tions are indicated.
Figure 2-239
Control Logic via CFC
For bay interlocking, a release logic can be created using CFC. Via specific release conditions the information
„released" or „bay interlocked" are available, e.g. object „Release CD Close" and „Release CD Open" with the
information values: ON / OFF).

2.27.1.4 Information List

No. Information
- ModeREMOTE
- Cntrl Auth
- ModeLOCAL
490
Interlocking Commands
Example of configured interlocking conditions
Type of In-
formation
IntSP
IntSP
IntSP
Command
L
S
Z
P
B
Comments
Controlmode REMOTE
Control Authority
Controlmode LOCAL
C53000-G1176-C169-5, Release date 02.2011
Display
L
S
Z
P
B
SIPROTEC, 7SD5, Manual