Siemens 7SR45 Argus User Manual page 80

RS485 1200 2400 4800
Baud Rate 9600 19200 38400 57600
RS485 NONE
Parity ODD
EVEN
RS485 Local
Mode Local or Remote
Remote
To Control
System
RS485 Screened
twisted pair
Figure 2-2 Communication to Multiple Devices using RS485 (Standard Port)
© 2018 Siemens Protection Devices Limited
Chapter 4 - 7SR45 Data Communications Definitions
19200
NONE
Local or Remote
1
2
3
4
Rear terminals
RS485 Screened
twisted pair
The baud rate set on
all of the relays
connected to the
control system must
be the same as the
one set on the master
device.
The parity set on all
of the relays
connected to the
control system must
be the same and in
accordance with the
master device.
Ext Wire loop to
Term
1
Include line
2
terminating Res
A/+
3
GND
4
B/-
Rear terminals
Chapter 4 Page 6 of 20