AMS Tracker slow control

The JinfT communicates with the various slow control boards through a LeCroy bus. Commands can be directly sent to a selected bus, or the Jinf can execute macro commands to determine the status of all slow control boards: so-called AMSWire "sub-detector specific" commands have been implemented to perform checks and readout of all the slow control devices with simple calls.

  • 2E14 1001: Read the slow-control state, compare with pre-defined values, and give the list of discrepancies. The output format is as follows:
Word # Content
0 Provided by mainframe
1 Provided by mainframe
2 Provided by mainframe
3 Actel mask
4 Number n of discrepancies
5 Discr. #1 (var. name)
6 Discr. #1 (var. content)
... ...
4+(2n-1) Discr. #n (var. name)
4+2n Discr. #n (var. content)

For the discrepancies, the variable content is the actual setting, the one seen by the Jinf when reading out the slow control devices.

  • 2E14 1012: After having executed a 2E14 1001 command, you can also get the list of currents and voltages read out from the Jinf: 2E14 1012. Please note that the output will have a valid meaning only if you have previously executed a 2E14 1001 command. The output format is as follows:

Word # Content TCrate correspondanceSorted ascending
17 Error word 1 of TBS 15
0 Error word 1 of TBS 5  
2 Voltage of LR0 Cold, TBS 5 Power group 0 (C)
1 Voltage of LR0 Hot, TBS 5 Power group 0 (H)
4 Voltage of LR1 Cold, TBS 5 Power group 1 (C)
3 Voltage of LR1 Hot, TBS 5 Power group 1 (H)
19 Voltage of LR0 Cold, TBS 15 Power group 2 (C)
18 Voltage of LR0 Hot, TBS 15 Power group 2 (H)
21 Voltage of LR 1 Cold, TBS 15 Power group 3 (C)
20 Voltage of LR1 Hot, TBS 15 Power group 3 (H)
5 Current of channel 0, TBS 5 TDR 0
6 Current of channel 1, TBS 5 TDR 1
28 Current of channel 6, TBS 15 TDR 10
29 Current of channel 7, TBS 15 TDR 11
11 Current of channel 6, TBS 5 TDR 12
12 Current of channel 7, TBS 5 TDR 13
26 Current of channel 4, TBS 15 TDR 14
27 Current of channel 5, TBS 15 TDR 15
13 Current of channel 8, TBS 5 TDR 16
14 Current of channel 9, TBS 5 TDR 17
24 Current of channel 2, TBS 15 TDR 18
25 Current of channel 3, TBS 15 TDR 19
32 Current of channel 10, TBS 15 TDR 2
15 Current of channel 10, TBS 5 TDR 20
16 Current of channel 11, TBS 5 TDR 21
22 Current of channel 0, TBS 15 TDR 22
23 Current of channel 1, TBS 15 TDR 23
33 Current of channel 11, TBS 15 TDR 3
7 Current of channel 2, TBS 5 TDR 4
8 Current of channel 3, TBS 5 TDR 5
30 Current of channel 8, TBS 15 TDR 6
31 Current of channel 9, TBS 15 TDR 7
9 Current of channel 4, TBS 5 TDR 8
10 Current of channel 5, TBS 5 TDR 9

The ADC to voltage and current value is done as follows:

  1. Voltage conversion (in V): V=2+(ADC-270.4)/41.45
  2. Current conversion (in uA): I=(a - 0.0735*ADC) constant 'a' is actually specific to every ADC channel. The attached file gives you the parameter list.

Topic attachments
I Attachment History Action Size Date Who Comment
Microsoft Excel Spreadsheetxls tbscurrentconversion.xls r1 manage 12.0 K 2010-08-23 - 12:46 PhilippAzzarello TBS ADC to current (uA) conversion parameters

This topic: Main > AmsTracker > AmsTrackerSlowControl
Topic revision: r5 - 2010-08-24 - PhilippAzzarello
 
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