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Rear terminals
To Control
System
To Control
System
RS485
Fig. 2-2 Communication to Multiple Devices using RS485 (Standard Port)
© 2013 Siemens Protection Devices Limited
RS485 Screened
twisted pair
14
16
18
Chapter 4) 7SR17 Rho - Data Communications
RS485 Screened
twisted pair
14
16
18
RS 485 Twisted pair Cable
RS485
Ext Wire loop
(terminating
resistance) added
Rear terminals
where permanent
drive from master
14
station available
16
18
20
RS485
Chapter 4 - Page 9 of 75
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