patrick.thomas@LIGO.ORG - posted 16:11, Tuesday 20 November 2018 - last comment - 06:23, Wednesday 21 November 2018(45435)
Disabled sensor test for squeezer bay estop
Patrick, Richard, Filiberto In the TwinSAFE project for the laser safety interlock I have turned off the sensor test for channels 3 and 4 of Term 7 (EL1904). These should be the emergency stop input channels for the squeezer bay. The change was downloaded to the EL6900.
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This was done to allow the squeezer push button to be connected to the system. The Beckhoff module monitors the push buttons buy sending pulses out and timing the return. The High bay entrance and squeezer are to long of runs for the timing to function properly so we have disabled this until we come up with a better solution. The system will not function with the timing fault but works with it disabled.