BNMR: CAMP

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Introduction

The MUSR software package CAMP is used for the slow controls for the bnmr and bnqr experiments. The CAMP server runs on a MVME162 located in the VME crate. The CAMP system itself is accessed using the #CAMP User Interface (CUI). Using the CUI, the user can define instruments to be accessed by the DAQ system during the experiment.

CAMP Hostname

The CAMP Hostname is

• bnmrvw.triumf.ca for the bnmr experiment or
• polvw.triumf.ca for bnqr experiment

The CAMP hostname is set in two places in the DAQ system :

1. environment variable CAMP_HOST
2. In the ODB at /Equipment/FIFO_acq/mdarc/camp/camp hostname. See #Automatic CAMP variables.

The names set in the two places must be identical.

CAMP in BNMR/BNQR

The CAMP system is used for three purposes in the BNMR/BNQR experiments:

• CAMP slow controls using the #CAMP User Interface
• logging of CAMP data to the saved file
• CAMP scan experiment(s)
  • Experimental Modes 1c and 1j, where a CAMP slow controls device is scanned while data is taken.

CAMP User Interface

To access the CUI, in an xterm type "camp".

[bnmr@isdaq01 ~]camp

A display similar to Figure 1 will appear.

Figure 1 Example of CAMP User Interface

The camp command will use the default camp hostname defined by the environment variable CAMP_HOST (bnmrvw.triumf.ca in Figure 1). To access the Camp User Interface using a different camp host (temporarily), specify the camp hostname, e.g.

[bnmr@isdaq01 ~]camp -node polvw