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Siemens Mobility Limited
Sopers Lane, Poole, Dorset
BH17 7ER
Version
11
Page 75 of 117
Status
Issued
Last Editor
Jeerh, Manpreet
Date
March 2020
Document
Name
WIMAG GENERAL HANDBOOK
Doc. No.
667/HB/47200/000
Copyright
©
Siemens Mobility Limited 2012. All Rights Reserved.
13.4 Backplane connection
The backplane is the serial interface to the controller and is used to provide power to the
interface card. The communication rack includes a 1m RJ45 Ethernet cable.
Figure 55 : Backplane Supply Connection and PHS Interface
This cable is then routed up the swing frame to a free serial connection, available on the
PHS bus card. Either PL2 (IO) or PL4 (IO) on the PHS card will be suitable.
The PHS Bus is used to provide 24v required for the interface card
1
.
If the PHS card sockets are fully occupied, due to use of intelligent backplanes, then one
of the installed intelligent backplanes will have an available socket.
Figure 56 : Spare socket on an Intelligent Backplane
1
In future versions the interface to the controller will be serial and will be via this interconnect.