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Siemens 7SR12 Argus User Manual

Siemens 7SR12 Argus
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7SR120 Technical Manual
Chapter 4 - Page 10 of 84 © 2017 Siemens Protection Devices Limited
To Control
System
14
16
18
20
RS485 Screened
twisted pair
Rear terminals
14
16
18
14
16
18
RS485 Screened
twisted pair
Rear terminals
Ext Wire loop
(terminating
resistance) added
where permanent
drive from master
station available
A
RS485
GND
B
Term.
14
16
18
20
A
RS485
GND
B
Term.
14
16
18
20
A
RS485
GND
B
Term.
14
16
18
20
RS 485 Twisted pair Cable
To Control
System
Bus Termination Polarity
5V
B
A
GND
Fig. 2-2 Communication to Multiple Devices using RS485 (Standard Port)

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Siemens 7SR12 Argus Specifications

General IconGeneral
BrandSiemens
Model7SR12 Argus
CategoryProtection Device
LanguageEnglish

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