Siemens 7SR18 Solkor Manual page 229

7SR181 Solkor Technical Manual
Rear terminals
To Control
System
To Control
System
RS485
Fig. 2-2 Communication to Multiple Devices using RS485 (Standard Port)
Chapter 4 - Page 10 of 80
RS485 Screened
twisted pair
14
16
18
Bus Termination Polarity
5V
B
A
GND
RS485 Screened
twisted pair
14
16
18
RS 485 Twisted pair Cable
RS485
© 2016 Siemens Protection Devices Limited
Ext Wire loop
(terminating
resistance) added
Rear terminals
where permanent
drive from master
14 station available
16
18
20
RS485