LIGO Document T1200076-x0

ETM HWS EtherCAT breakout box

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T - Technical notes
The box is located on the Hartmann wavefront Sensor Optical table at the End Station. It provides 12 V for the Hartman camera and 5 volts to the RCX Link. Both voltages can be turned on and off by the Beckhoff PLC. It also sends Temperature data to the PLC.
This procedure will test to ensure correct RTD wiring and PLC control of the 5 & 12 volts.
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