Siemens SIMADYN D - Page 183

Communications support modules
Hardware - SIMADYN D 6-35
Edition 12.2004
6
RS485+
Incoming
Outgoing
bus cable
RS485-
21
17
5
8
7
14
2
20
USS busSS4
Fig. 6-13 SS4 Connector assignment without bus termination (SS4 at the center of the bus
cable)
390
390
150
390
390
150
++
Screen
Data cable
Potential bonding
Housing ground
Grounding rail
Fig. 6-14 Screening and potential bonding of the data cable
USS bus cable
without circuitry
Aotewell Ltd
www.aotewell.com
Industry Automation
HongKong|UK|China
sales@aotewell.com
+86-755-8660-6182