The list below is a direct copy of the scaler description file s800scaler.def in directory /user/s800/operations/nscldaq/scalers. This file maps channel names to channel numbers, and in addition determines the layout. Details about the S800 scaler GUI can be found here.
Channel name | Channel number | Description |
---|---|---|
S800.Source | 0 | Signal going to S800 ULM trigger module (generally from “up” FP scintillator photomultiplier, E1 up) |
Second.Source | 1 | Signal going to Secondary ULM trigger module (e.g. GRETINA) |
Ext1.Source | 2 | Signal going to External-1 trigger module |
Ext2.Source | 3 | Signal going to External-2 trigger module |
S800.Trigger | 4 | S800 triggers (“singles”) |
Coinc.Trigger | 5 | Coincidence triggers |
Ext1.Trigger | 6 | External-1 triggers |
Ext2.Trigger | 7 | External-2 triggers |
Second.Trigger | 8 | Secondary triggers |
Raw.Trigger | 9 | Raw triggers (including all sources) |
Live.Trigger | 10 | Live triggers (including all sources) |
Raw.Clock | 11 | Raw clock |
Live.Clock | 12 | Live clock |
10Hz | 14 | 10-Hz clock |
1Hz | 15 | 1-Hz clock |
E1.Up | 16 | Signals from E1 up |
E1.Down | 17 | Signals from E1 down |
XFP.MCFD.Scint | 18 | Signals from XFP, going through new Mesytech CFD |
OBJ.MCFD.Scint | 19 | Signals from OBJ, going through new Mesytech CFD |
Galotte | 20 | Signals from Galotte detector (obsolete) |
CRDC1.Anode | 22 | Signals from CRDC1 anode |
CRDC2.Anode | 23 | Signals from CRDC2 anode |
XFP.Scint | 24 | Signals from XFP, NOT going through new Mesytech CFD |
OBJ.Scint | 25 | Signals from OBJ, NOT going through new Mesytech CFD |
DPPAC1.Anode | 27 | Anode signal from delay-PPAC1 going through DPPAC Mesytch CFD |
Hodo.OR | 28 | OR signal from all 32 hodoscope crystals |