Caen DT54 Series, Preliminary

Page: 13 / 41

CAEN
Electronic Instrumentation
DT54xx USB High Voltage Power Supply
13
4. USB Communication Protocol
The following Protocol allows to communicate with the module. The Protocol is based on commands
made of ASCII characters strings.
The recognized values are as follows:
Version DT5472 DT5471 DT5470
Parameter unit
VSRES V 0.1 0.5 1
VMRES V 0.1 0.5 1
RAMPMAX V/s 500 500 500
RAMPMIN V/s 1 1 1
TRIPMAX s 1000 1000 1000
IMAX µA 1050 510 210
ISRES µA 0.2 0.1 0.04
IMRESH µA 0.2 0.1 0.04
IMAXL µA 105 51 21
IMRESL µA 0.02 0.01 0.004
Command Format string
$CMD:***,PAR:***,VAL:xxx.xx<CR,LF>
CMD : SET, MON
PAR : VSET, ISET, ON ..
VAL : value
Format of response string
#CMD:***,VAL:xxx.xx<CR,LF>
CMD : OK, ERR.
VAL : value
All fields are in ASCII format
Resolution values are passed as real numbers
Monitor Commands
$CMD:MON,PAR:BDNAME<CR,LF>
Read out module name
DT5472 500V/1mA
DT5471 3kV/500uA
DT5470 5kV/200uA
$CMD:MON,PAR:TYPE<CR,LF>
Read out the channel type:
0: 500V/1mA
1: 3kV/500uA
2: 5kV/200uA
$CMD:MON,PAR:POLARITY<CR,LF>
Read out channel polarity.
$CMD:MON,PAR:VSET<CR,LF>
Read out VSET value