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Message ID: 682     Entry time: Mon May 12 13:25:09 2025
Author: JG 
Subject: MBS DAQ - overview 
An MBS DAQ is running to collect two types of data:

1. WR timestamps for machine events (injection, target ON/OFF, ...)
These are triggering the MBS individually.

2. Scaler rates for machine parameters (target pressures, ring RF, ...)
These are being readout each second by a 1Hz trigger.

DAQ quick manual


MBS node: cry_exp@r4l-70.gsi.de
directory: /esr/usr/cry_exp/2025_JET_CARME/mbs

DAQ running on: cry_exp@atppc028.gsi.de
in a screen session named "jetDAQ"

RFIO server: cry_exp@atppc028.gsi.de
in a screen session named "RFIO"
directory: /u/cry_exp/Beamtimes/202505_Li/lmd

RESTART DAQ on cry_exp@atppc028:
1. cd /u/cry_exp/Beamtimes/202505_Li
2. ./daqstart.sh

ENTER jetDAQ or RFIO screen on cry_exp@atppc028:
- screen -x jetDAQ
- screen -x RFIO

cabling documentation



MBS trigger inputs



trig. type event
1 (PENDING) ring injection
2 (PENDING) detectors IN
3 (PENDING) detectors OUT
4 (PENDING) target ON (shutter)*
5 (PENDING) target OFF (shutter)*
6 (PENDING) beam dumped
11 (PENDING) 1Hz scaler readout


*The GENESYS signal logic for the target shutter was changed several times, this means trigger 4 and 5 could be swapped. The motor signals (trigger 2 and 3), however, have not been touched and should be stable.

scaler inputs



scaler ch. rate/signal
1 gas jet E1 (inlet pressure zone 1)
2 gas jet E2 (inlet pressure zone 2)
3 gas jet E3 (inlet pressure zone 3)
4 gas jet E4 (inlet pressure zone 4)
5 gas jet S1 (outlet pressure zone 1)
6 gas jet S2 (outlet pressure zone 2)
7 gas jet S3 (outlet pressure zone 3)
8 gas jet S4 (outlet pressure zone 4)
9 gas jet T1
10 gas jet T2
11 gas jet VV1
12 gas jet ??
13 Scintillator rate (0 deg. det. YR09) [ONLY AFTER 12-06-2025 16:30]
14 -
15 -
16 -
17 cryring IMP horizontal
18 cryring IMP vertical
19 cryring PCT
20 cryring ICT int
21 cryring BPM int
22 cryring Schottky span 0
23 cry-radio
24 cryring RF
25 -
26 -
27 -
28 -
29 -
30 -
31 -
32 -
ELOG V3.1.4-unknown