CAN PSU Documentation and Framework Component


The CAN Power Supply Unit (PSU) is used to provide power to ELMBs remotely via the CAN bus, allows for software control of the power (on or off) and allows for the current and voltage to be monitored. The PSU is a rack mounted unit and can supply up to 16 CANbuses with the voltage required. Each bus is supplied by 2 sources of power: CAN power (12V/25W) and AD power (12V/35W).

A JCOP Framework component has been developed to allow for easy integration of the control for the PSU into PVSS: fwElmbPSU.

For Atlas Users, a framework component to control PSU and monitor ELMBs from the FSM has been developed: fwElmbPsuFSM.


PVSS framework Document Description
fwElmbPSU PDFELMB PSU Introduction Brief User Guide for the ELMB PSU and associated Framework Component
fwElmbPsuFSM Microsoft Word filePSU/ELMB on the FSM Overview and Instructions to use the ELMB PSU and Framework Component monitoring/controlling PSU and ELMBs


You may download the framework component fwElmbPSU from the table below:

Usage Version Required FW version Download Comments, release notes
Stable - WinCC OA 3.16 8.4.0 4.3.3 + Texttar.gz \  
HELP These require the ELMB component to also be installed

You may download the framework component fwElmbPsuFSM from the table below (ATLAS users only):

Usage Version Required FW version Download Comments, release notes
Stable - WinCC OA 3.16 8.4.1 4.3.3 + Texttar.gz \  

Useful Links

Link Description
PSU Hardware Contains information on the ELMB PSU hardware (from PH-ESS)
CANbus Guidelines Contains information regarding recommendations for the branch (bus) connection scheme
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Topic revision: r20 - 2020-07-27 - PiotrNikiel
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