FAX:
(650) 965•0764
TOLL-FREE [US/CA]:
(800) 446•8811
TELEPHONE:
(650) 969•8811
48501 Milmont Drive • Fremont, CA 94538
Page 38
Character
Description
Output Format
Channel 1 Channel 2
MOD
Model number
752A
VER
Firmware version
X.XX
ST1
ST2
Terranova® 752A status
00: OFF
01: Running
02: Cooling X
03: Shutdown X
04: Interlock
HV1
HV1
High voltage status
On, Off
PO1
PO2
High voltage polarity
Pos, Neg
VO1
VO2
HIGH VOLTAGE display
XXXX [V]
CU1
CU2
CURRENT display
X.XX e-XX [A]
PR1
PR2
PRESSURE display
X.XX e-XX
[in selected pressure unit]
SP1
SP2
SET POINT value
X.XX e-XX
[in selected pressure unit]
MV1
MV2
MAX VOLTAGE value
XX00 [V]
MC1
MC2
MAX CURRENT value
X.XX e-XX [A]
PS1
PS2
PUMP SIZE value
XXX.X [L/s]
UN1
UN2
PRESSURE UNITS value
TORR, mBAR, PASCAL
NOTES
1. X is a non-negative integer
2. "02: Cooling X" is output when the respective channel is in a cool-down cycle.
3. "03: Shutdown X" is output when the respective channel is in a shutdown state.
4. "04: Interlock" is output when the respective safety interlock circuit is open.
5. VOX and MVX will always output positive values regardless of polarity
6. "ER:02, Unknown Command" error message is output when proper query
format is not sent
Query characters are not case-sensitive
NOTE
Since 1976
Table 11.
Serial communication query characters
