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CAEN
Electronic Instrumentation
BDCLR
BDILK
BDILKM
BDCTR
BDALARM
BDHVMAX
BDHIMAX
BDSTATUS
Channel Parameters
VSET
VMON
ISET
IMON
IMRANGE
RUP
RDWN
PDWN
STATUS
TRIP
VTC
KT
TREF
TSTEP
ETEMP
EPICS Service
EPICS (Experimental Physics and Industrial Control System) is a set of software tools and applications
which provide a software infrastructure for use in building distributed control systems, widely used to
control experimental Physics and industrial electronics.
CAEN provides EPICS Input/Output Controller (IOC) for NIM-Desktop HV Power Supplies units, that allows
access to a Process Variable using the Channel Access Protocol. Process Variable is a named piece of data
associated with the module (e.g. status, readback, setpoint, parameter).
Client software (EPICS Channel Access Client), which requests access to a Process Variable, runs on the
Host PC and is connected to the modules via either TCP/IP or USB.
The EPICS IOC is available for free download on www.caen.it website (Power Supply Software section)
More information about EPICS and a list of available client applications can be found at:
http://www.aps.anl.gov/epics/.
803x Series 8-16 Ch. Programmable HV Power Supplies
Clear alarm signal
INTERLOCK status ( YES/NO )
INTERLOCK mode (DRIVEN/UNDRIVEN)
Read out Control Mode (LOCAL/REMOTE )
Board Alarm status value
Hardware Vmax (set via trimmer)
Hardware Imax (set via trimmer)
Channel set voltage value
Channel monitor voltage value
Channel set current value
Channel monitor current value
IMON RANGE value
RAMP UP
RAMP DOWN
POWER DOWN Mode
Bit 0 → ON
1 : ON 0 : OFF
Bit 1 → RUP
1 : Channel Ramp UP
Bit 2 → RDW
1 : Channel Ramp DOWN
Bit 3 → OVC
1 : IMON >= ISET
Bit 4 → OVV
1 : VMON > VSET + (2% of VSET) + 2V
Bit 5 → UNV
1 : VMON < VSET – VSET - (2% of VSET) - 2V
Bit 6 → TRIP
1 : Ch OFF via TRIP (Imon >= Iset during TRIP)
Bit 7 → OVP
1 : Output Power > Max
Bit 8 → TWN
1: Temperature Warning
Bit 9 → OVT
1: TEMP > 65°C
Bit 10 → KILL
1 : Ch in KILL via front panel and back panel
Bit 11 → INTLK
1 : Ch in INTERLOCK via front panel and back panel
Bit 12 -> ISDIS
1: Ch is disabled
Bit 13 -> FAIL
1: Generic fail
Bit 14 -> LOCK
1: Ch control switch on ON/EN and one of these conditions is TRUE:
Bit 15 -> MAXV 1: VMON > HVMAX set via trimmer
- Power On in local mode
- Switch from remote to local
TRIP time value
Enable Temperature compensation
Coefficient of Temperature compensation
Reference Temperature
Programmed Interval of Temperature compensation
External Temperature
Only for x8031 series
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