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--- scaler_channel_description [2013/12/12 12:21]
pereira created
+++ scaler_channel_description [2015/10/15 15:04]
pereira
@@ Line 1: / Line 1: @@
 ====== Scaler channel description =====
+The GUI used to display scalers rates can be open from the icon in the desktop of computer [[software|u6pc5]] in data-U6. The GUI includes two pages labeled "s800" and "ratios". Page "s800" includes all the scaler channels; page "ratios" displays ratio values calculated between several pairs of channels. In addition, the GUI includes a panel showing the time evolution of the live time calculated from the live-to-raw trigger ratio, and the live-to-raw clock ratio. The figure below shows the page "ratios" from the scaler GUI:
+{{:wiki:scalers.jpg?650|Scaler display, page "ratios".}}
 The list below is a direct copy of the scaler description file for the s800. This file maps channel names to channel numbers, and in addition determines the layout.
-^ Channel name ^ Channel number ^ Channel name ^ Channel number |
+^ Channel name   ^ Channel number ^ Description |
-| Live.Trigger  ^ 10 | Raw.Trigger    ^ 9 |
+| S800.Source    ^ 0  | Signal going to S800 ULM trigger module (generally from "up" FP scintillator photomultiplier, E1 up) |
-| Live.Clock    ^ 12 | Raw.Clock      ^ 11 |
+| Second.Source  ^ 1  | Signal going to Secondary ULM trigger module (e.g. GRETINA) |
-| S800.Source   ^ 0 | S800.Trigger   ^ 4 |
+| Ext1.Source    ^ 2  | Signal going to External-1 trigger module                   |
-| Second.Source ^ 1 | Second.Trigger ^ 8 |
+| Ext2.Source    ^ 3  | Signal going to External-2 trigger module                   |
-| Ext1.Source   ^ 2 | Ext1.Trigger   ^ 6 |
+| S800.Trigger   ^ 4  | S800 triggers ("singles")                                   |
-| Ext2.Source   ^ 3 | Ext2.Trigger   ^ 7 |
+| Coinc.Trigger  ^ 5  | Coincidence triggers                                        |
-| Coinc.Trigger ^ 5 |                ^  |
+| Ext1.Trigger   ^ 6  | External-1 triggers                                         |
-| E1.Up         ^ 16 | E1.Down        ^ 17 |
+| Ext2.Trigger   ^ 7  | External-2 triggers                                         |
-| E2.Up         ^ 18 | E2.Down        ^ 19 |
+| Second.Trigger ^ 8  | Secondary triggers                                          |
-| CRDC1.Anode   ^ 22 | CRDC2.Anode    ^ 23 |
+| Raw.Trigger    ^ 9  | Raw triggers (including all sources)                        |
-| TPPAC1        ^ 27 | TPPAC2         ^ 28 |
+| Live.Trigger   ^ 10 | Live triggers (including all sources)                       |
-| OBJ.Scint     ^ 24 | XFP.Scint      ^ 25 |
+| Raw.Clock      ^ 11 | Raw clock                                                   |
-| TAR.Scint     ^ 26 | XFP.Scint      ^ 25 |
+| Live.Clock     ^ 12 | Live clock                                                  |
-| S800.Source   ^ 0 | OBJ.Si         ^ 26 |
+| 10Hz           ^ 14 | 10-Hz clock                                                 |
-| S800.Source   ^ 0 | OBJ.Scint      ^ 24 |
+| 1Hz            ^ 15 | 1-Hz clock                                                  |
-| S800.Source   ^ 0 | XFP.Scint      ^ 25 |
+| E1.Up          ^ 16 | Signals from E1 up                                          |
-| Hodo.OR       ^ 30 |                ^  |
+| E1.Down        ^ 17 | Signals from E1 down                                        |
+| XFP.MCFD.Scint ^ 18 | Signals from XFP, going through Mesytech CFD                |
+| OBJ.MCFD.Scint ^ 19 | Signals from OBJ, going through 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 Mesytech CFD            |
+| OBJ.Scint      ^ 25 | Signals from OBJ, NOT going through Mesytech CFD            |
+| Hodo.OR        ^ 28 | OR signal from all 32 hodoscope crystals                    |

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