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Front-end information » History » Version 13

Version 12 (Varun Raj, 05/09/2019 05:41 PM) → Version 13/30 (Michael Wallbank, 05/28/2019 04:38 PM)

h1. Front-end information

h2. V1742 channel mapping (Last Modified: May 9 2019)

<pre>
Input | Digitizer Channel | Trigger Channel
---------------------------------+-------------------+------------------
Cherenkov | 3 | NC
Scintillator Paddle 1 (Mock WC1) | 4 | 4
Scintillator Paddle 2 (Mock WC2) | 5 | 5
Scintillator Paddle 3 (Mock WC3) | 6 | 6
Scintillator Paddle 4 (Mock WC4) | 7 | 7
ToF US 1 (PMT) | 8 | NC
ToF US 2 (PMT) | 9 | NC
ToF US 3 (PMT) | 10 | NC
ToF US 4 (PMT) | 11 | NC
ToF DS 1 (PMT) | 12 | NC
ToF DS 2 (PMT) | 13 | NC
ToF DS 3 (PMT) | 14 | NC
ToF DS 4 (PMT) | 15 | NC
ToF DS 1 (SiPM) | NC | NC
ToF DS 2 (SiPM) | NC | NC
ToF DS 3 (SiPM) | NC | NC
ToF DS 4 (SiPM) | NC | NC
WC 1 Logic | NC | 0
WC 2 Logic | NC | 1
WC 3 Logic | NC | 2
WC 4 Logic | NC | 3
</pre>

h2. VME crate

As user novadaq, the directory
<pre>
/home/nfs/novadaq/
</pre>
on novabeamlinedaq00 contains some useful utilities to communicate with the hardware. All CAEN provided software.

Run CAEN upgrader GUI:
<pre>
./CAENUpgrader-1.6.3/CAENUpgraderGUI/CAENUpgraderGUI
</pre>

Run CAEN V1742 digitizer (outside of DAQ):
<pre>
wavedump-3.8.2/bin/wavedump /etc/wavedump/WaveDumpConfig_X742.txt
</pre>

Run CAEN VME module:
<pre>
./CAENVMELib-2.50/sample/CAENVMEDemo V2718 <base address, in hex (beginning 0x)> <link>
</pre>
With this utilities, one can set the base address (option 2), set a register (option 1) and read etc.

CAEN base addresses:
Board Address
1742 3211
2495 3210
1495 0100

h2. V1742 Digitizer

h3. Post-Trigger

The V1742 has a register named @POST_TRIGGER@. This value is a percentage of the readout that is to be after the trigger. There is an implicit latency of around 40 ns, so in reality, the Post-Trigger percentage sets the percentage of the readout that will be *after* 40 ns past the trigger.

For an unknown reason, only certain values of @POST_TRIGGER@ are accepted and must be found by trial and error.

h3. Known working values

* 0
* 20
* 45

h2. MWPC Controller(s)

Beamline:
* Hardware address: 00.80.55.00.00.68
* IP address: 131.225.176.70
* Name: ftbfwc03
* CD system reference number: S22041
* CD equipment ID number: 557912

Target:
* Hardware address: 00.80.55.EE.00.08
* IP address: 131.225.176.164
* Name: ftbfwc07
* CD system reference number: S22056

Log in (e.g.):

<pre>
telnet ftbfwc03 <port>
</pre>

Ports (according to "here":https://cdcvs.fnal.gov/redmine/projects/ftbfwirechamberdaq/wiki/Wire_Chamber_DAQ_Developer)
* 5000 - daq apps
* 5001 - emergency access
* 5002 - telnet sessions

[[MWPC Configuration and Registers]]