[Halld-cal] [Revised Logentry] FCAL HV scan

[somov at jlab.org]

Logentry Text:
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FCAL readout: RAW mode (mode 10)

Use violet LED, 500 Hz

1500 V
----------

Run  51604,  130 K events,  17 V
Run  51605,  122 K events,  22 V 

1550 V
--------- 

Run 51606,  120 K events, 17 V
Run 51607,  120 K events,  22 V

1600 V
----------

Run 51608, 17 V
Run 51609,  22 V

1650 V
----------

Run 51610, 17 V
Run 51611, 22 V

1700 V
----------

Problems with setting HV on channel (22,22 ;  -8,-8)

Run 51612,  17 V
Run 51613,  22 V


1750 V
----------

Not able to set this voltage on the following channels:
Channel, Read back voltage

(1, 31) 1610 V
(7, 46) 1601
(13, 23) 1618
(13, 47) 1651
(20, 26) 1600
(22, 22) 1607
(25, 26) 1620
(29,7) 1640
(33,47) 1609
(35, 37) 1630
(44, 30) 1590 
(41, 39) 1660
(44, 30) 1590 
(47, 38) 1625
(49, 31) 1612 

Run 51614,  17 V
Run 51615,  22 V

1800 V
---------

Cannot set HVs on 41 channels

Run 51616,  17 V
Run 51617,  22 V






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This is a plain text email for clients that cannot display HTML.  The full logentry can be found online at https://logbooks.jlab.org/entry/3628470
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