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What's
connected to Scalers?
There are 3 locations of hardware scaler modules at DRAGON
- the Camac crate at the rack of "gamma" electronics
- the Camac crate at the "heavy ion" electronics
- the 2nd slot in the VME crate up on the power-supply platform
The rates in the channels of the Camac scalers are
available as "strip chart" spectra in the data analysis systems
(counts per 2 seconds in Roody, per 1 second in NOVA).
The VME scaler rates are available on DRAGON's EPICS menu via
"Diagnostics|Dragon scaler". Note that the channel labels on the front of
the scaler module are 0,1,2,3... but the channel labels on the EPICS page
are S1,S2,S3,S4...!
Scaler displays
| Channel |
DAQ Gamma |
DAQ Recoil |
EPICS |
| 0 |
Gamma CFD |
Tail trigs presented |
/ / / / / / / / / / / / / / / / / / / / / / / / / |
| 1 |
Gamma trig |
Tail trigs acquired |
10 MHz clock |
| 2 |
Pulser |
SB0 triggers |
. |
| 3 |
. |
SB1 triggers |
. |
| 4 |
. |
DSSSD triggers |
ED1 x-rays |
| 5 |
. |
IC0 triggers |
ED2 x-rays |
| 6 |
. |
MCP0 triggers |
Beta Mon coinc or FCM2 |
| 7 |
. |
MCP1 triggers |
Beta mon singles |
| 8 |
Beta mon singles |
MCPTOF triggers |
(Fwd Elast. Mon.) |
| 9 |
. |
NaI0 triggers |
Gamma CFD |
| 10 |
. |
NaI1 triggers |
(Heavy-ion trigs) |
| 11 |
. |
Ge0 triggers |
. |
Last modified: 11 June 2008
DHutcheon
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