INFICON T-Guard Leak Detection Sensor Interface description User Manual

Page 15

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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

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