Displaying report 1-1 of 1.
Reports until 13:02, Monday 05 March 2018
H1 CDS (VE)
david.barker@LIGO.ORG - posted 13:02, Monday 05 March 2018 (40842)
vacuum cell phone alarms modified to support CP4 bake-out

WP7392 Chandra, Dave:

Y1 Beam Tube Gauge, Increase Alarm Level

H0:VAC-LY_Y4_PT124B_PRESS_TORR and H0:VAC-MY_Y1_PT243B_PRESS_TORR high alarm level increased from 5.0e-09 to 5.0e-08 Torr

CP4 Gauge, Increase Alarm Level

H0:VAC-MY_Y4_PT245B_PRESS_TORR high alarm level increased from 5.0e-06 to 5.0e-05 Torr

Added Thermocouple Channels And Their Associated ERROR Channels

H0:VAC-MY_CP3_TE202A_DISCHARGE_TEMP_DEGC added with high alarm 8.0e+01 C. H0:VAC-MY_CP4_TE253A_REGEN_TEMP_DEGC added with high alarm 4.0e+01 C.

CP3 TE202A Rate-Of-Change Alarm Added

The new Rate-Of-Change system was installed on h1fescript0. Two programs are running as background processes: epics_rate_of_change_ioc.py and epics_rate_of_change.py. Both are being ran as user controls.

The 1 HOUR ROC channel was added to the alarm system, with alarm levels +/-1.0 degCperHour.

<Channel name="H0:CDS-ROC_VAC_MY_CP3_TE202A_DISCHARGE_TEMP_DEGC_1HOUR" low="-1.0e+00" high="1.0e+00" fields="0" description="CP3 TE202A ROC">

note fields="0" needed as this channel is being server on a pcaspy IOC and is missing the VAL, STAT and SEVR fields.

Displaying report 1-1 of 1.