INFICON T-Guard Leak Detection Sensor Interface description User Manual
Page 15

RS232
ASCII Interface
Proto
c
ol
15
jins85e1 2.fm
Interface Description
(1101)
Command
word1
Command
word2
Command
word3
Parameter
Statement
Read
Set
Example
Response
*IDN
identification of the unit
–
:DEVice
name of the unit
R
*IDN:DEV?
T-Guard
:VERsion
Software version
R
*IDN:VER?
1.30.00
:SERial
serial number of the unit
R
*IDN:SER?
<11 digits>
:WiseSerial
serial number of the WISE Technology
TM
Sensor
R
*IDN:WS?
<11 digits>
*PURGE
Purge the measurement line with valves in
GROSS configuration, may stop with
Warning 45.
--
:START
Start Purge
S
*PURGE:START
OK
:STOP
Stop Purge
S
*PURGE:STOP
OK
*MEASure
–
:Pressure
–
:FOREline:
pre-vacuum pressure (in actual unit)
R
*MEAS:P:FORE?
268
:FILTER
filtered sensor current
R
*MEAS:FILTER?
2.16E-10 A
:TEMPeratur
:Electronic
temperature of the electronics inside the unit
(in °C)
R
*MEAS:TEMP:E
41.5
*READ
read leak rate in set unit
(if there is no valid value the result is 1.0,
without unit)
R
*READ?
2.50E-4 mbar*l/s
<unit>
unit = sccm; mbar*l/s; Pa*m3/s; atm*cc/s;
Torr*l/s
(if there is no valid value the result is 1.0,
without unit)
R
R
*READ mbar*l/s?
*READ Pa*m3/s?
2.50E-4 mbar*l/s
2.50E-5 Pa*m3/s
*STANDBY
valves V1, V2 and V3 are closed; sensor
operates at low pressure
S
*STANDBY
OK
:STOP
Stops Standby. Puts back valves in previous
position.
S
*STANDBY:STOP
OK
*START
start measurement (and wake up from
standby if necessary)
S
*START
OK