Caen DT5519EN, Manual

Page: 15 / 17

CAEN
Electronic Instrumentation
DT55xxE Desktop HV Power Supply
15
Communication Protocol
The following Protocol is based on commands made of ASCII characters strings.
Board commands
The general board commands have the format: $CMD:***,PAR:***** <CR><LF>
$CMD:SET,PAR:BDCLR Clears board alarms
$CMD:MON,PAR:BDILK Monitor Interlock status
$CMD:MON,PAR:BDNCH Number of channels
$CMD:MON,PAR:BDNAME Board name
$CMD:MON,PAR:BDSNUM Serial Number
$CMD:MON,PAR:BDFREL Firmware release
$CMD:MON,PAR:BDALARM Alarm Mask = 0x1ff8
IS_OVC 8 At least one ch. in Overcurrent
IS_OVV 0x10 At least one ch. in OverVoltage
IS_UNV 0x20 At least one ch. in UnderVoltage
IS_MAXV 0x40 At least one ch. in MaxV
IS_TRIP 0x80 At least one ch. in Trip
IS_MAXPW 0x100 At least one ch. in MaxPower
IS_TWARN 0x200 At least one ch. in Temp warning (>80°C)
IS_OVT 0x400 At least one ch. in OVT (>125°C)
IS_KILL 0x800 At least one ch. Killed
IS_INTLCK 0x1000 At least one ch. in Interlock
$CMD:MON,PAR:MACADDR Board MAC Address
$CMD:MON,PAR:IPADDR Board IP Address
$CMD:MON,PAR:SUBMASK Subnet mask
$CMD:MON,PAR:GATEWAY Gateway
$CMD:MON,PAR:DHCPEN DHCP (Enable / Disable)
Channel Commands
The channel commands have the format: $CMD:***,CH:*,PAR:***,VAL:xxx.xx<CR,LF>
Where:
CMD : SET, MON
CH : Channel (0..4); CH = 4 “group commands”
PAR : VSET, ISET, ON ...
VAL : value
Response string has the format : #CMD:***,VAL:xxx.xx<CR,LF>
Where:
CMD : OK, ERR
VAL : value
In case of MON commands related to all channels, the returned value are separated by ';'
Monitor commands
$CMD:MON,CH:XX,PAR:VSET VSET value
$CMD:MON,CH:XX,PAR:VSRES Resolution of VSET in Volt
$CMD:MON,CH:XX,PAR:VSDEC Decimal digits of VSET
$CMD:MON,CH:XX,PAR:VMAX Max value of VSET
$CMD:MON,CH:XX,PAR:VMIN Min value of VSET
$CMD:MON,CH:XX,PAR:VMON VMON value
$CMD:MON,CH:XX,PAR:VMRES VMON resolution
$CMD:MON,CH:XX,PAR:VMDEC Decimal digits of VMON
$CMD:MON,CH:XX,PAR:ISET ISET value
$CMD:MON,CH:XX,PAR:ISRES Resolution of ISET in µA
$CMD:MON,CH:XX,PAR:IMAXH Max value of ISET in high range
$CMD:MON,CH:XX,PAR:IMAXL Max value of ISET in low range