Caen Record Description

1. Introduction

The control and monitoring of the power supplies is done by a record named "caen". One instance of this record controls one power supply channel. The power supplies are A515, A516 and A525 CAEN modules in a SY527 mainframe. A V288 VME board is used to communicate to this mainframe via the CAENnet serial bus.

2. Fields Description

Field Name
Summary
Type
Comment

VAL

Power

enum :'ON' or 'OFF'

Switch on or off the channel (input)

CRAT

Crate Number

short

Channel location (input)

BRD

Slot Number

short

CHAN

Channel Number

short

BTYP

Board Type

string

e.g. 'A515',... (output)

CHST

Channel status

short

see Caen doc for description (output)

PWST

Power status

enum : 'ON' or 'OFF'

Is the channel on or off ? (output)

VMON

Monitored Voltage

float

in Volts (output)

IMON

Monitored Current

float

in Amperes for the LV and µAmperes for the HV (output)

VSET

Set Voltage

float

Desired output value (input)

ISET

Set Current

float

Max current (input)

RUP

Ramp Up

short

In Volts/sec (input)

RDWN

Ramp Down

short

LVM

Last Monitored Voltage

float

These fields are used to implement monitoring and archiving

LIM

Last Monitored Current

float

LST

Last Channel Status

short

VADE

Voltage Archive Deadband

float

VMDE

Voltage monitored Deadband

float

VLAR

Voltage Last Value Archived

float

IADE

Current Archive Deadband

float

IMDE

Current monitored Deadband

float

ILAR

Current Last Val. Arch.

float

STSV

Status Trip Severity

alarm severity

default : MAJOR (input)

SOCS

Status Over Current Severity

alarm severity

default : MINOR (input)

SOVS

Status Over Voltage Severity

alarm severity

default : MINOR (input)

SUVS

Status Under Voltage Severity

alarm severity

default : MINOR (input)

SOSV

Status Other Severity

alarm severity

default : MINOR (input)

CFSV

Communication Failure Sev.

alarm severity

default : MAJOR (input)

NBCF

Nb of communication failure

short

Number of communication failures allowed before an alarm event is sent. (input)

3. Source Files

in '/star/tools/control/epics/R3.12-LBL.4/ssdApp/src/'

caenRecord.ascii : Record fields description

caen.c, caen.h : Harware layer.

recCaen.c : Record support routines.