Siemens SIPROTEC 7SJ80 User Manual

[objekteigenschaft-verriegelungsbeding-020313-kn, 1, en_US]
Figure 2-130
DIGSI dialog box for setting the interlocking conditions
On devices with operator panel, the display shows the configured interlocking reasons. They are marked with
letters explained in the following table.
Table 2-23
Command types and corresponding messages
Interlocking Commands Abbrev. Display
Switching Authority L L
System interlocking S A
Zone controlled Z Z
SET = ACTUAL (switch direction check) P P
Protection blocking B B
Control Logic using 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 "52 Close" and "52 Open" with the data values: ON/
OFF).
Switching Authority
The interlocking condition "Switching Authority" serves for determining the switching authority. It enables the
user to select the authorized command source. For devices with operator panel, the following switching
authority ranges are defined in the following priority sequence:
•
LOCAL
•
DIGSI
•
REMOTE
Functions
2.24 Breaker Control
SIPROTEC 4, 7SJ80, Manual 305
E50417-G1140-C343-A8, Edition 12.2017

Siemens SIPROTEC 7SJ80 Specifications

General

Rated Frequency	50/60 Hz
Rated Current	1 A / 5 A
Operating Temperature	-25°C to +55°C
Storage Temperature	-40°C to +70°C
Current Transformer Inputs	4
Application	Protection of feeders, motors, transformers, and generators
Rated Voltage	100-240 V AC/DC
Communication Protocols	IEC 61850, Modbus, DNP3, IEC 60870-5-103
Display	Graphical LCD
Mounting	Flush mounting
Protection Functions	Overcurrent, Earth fault
Communication Interfaces	Ethernet, RS485
Housing	Plastic
Weight	Approx. 1.5 kg