Connectors; Connectors For Self And Dual Powered Relay Variant; Figure 2-3 7Sr45 Argus Relay Connectors With 4 Bi And 4 Bo - Siemens 7SR45 Argus User Manual

2.4

Connectors

In 7SR45 Argus Relay, all the connectors are pluggable type except the CT connectors. The relay consists of the
following connectors and the connector terminals are designated suitably:
• Auxiliary power supply
• Remote flag output
• Pulse output
• Binary inputs
• Binary outputs
• RS485 connector
2.4.1

Connectors for Self and Dual Powered Relay Variant

The power supply module is equipped with additional two numbers of binary input and binary outputs. It also
consists of RS485 communication port at the rear side.
Figure 2-3
©2018 Siemens Protection Devices Limited
7SR45 Argus Relay Connectors with 4 BI and 4 BO
Chapter 1 - 7SR45 Description of Operation
Current Inputs
Additional
Binary Inputs
Additional
Binary Outputs
Rear
Communication
Port
Binary Inputs,
Binary Outputs,
Flag Output,
Pulse Output
Auxiliary Power
Supply
Chapter 1 Page 15 of 48