INFICON LDS3000 Modular Leak Detector Interface description User Manual
Page 10

10
ASCII Protocol
:PREAMPRESi
stor
currently used resistance of pre-amplifier
(13M, 470M, 15G, 500G, 13M_FIXED,
470M_FIXED, 15G_FIXED, 500G_FIXED)
502
R
:CAThode
actual state of the cathode
OFF, ON1 (fix cathode 1), ON2 (fix cathode 2),
AUTO1 / AUTO2 (automatic switching; cathode
1 respectively 2 actual active)
530
R
:BUSModule
Status Bus-Modul
“SETUP”,"NW_INIT”,
"WAIT_PROCESS","IDLE",
"PROCESS_ACTIVE","ERROR", "UNKNOWN",
"EXCEPTION"
330
R
:EXCEPtion
Exception Code of Bus module as hex value
R
:ERRORCnt
Four error counters, format “a,b,c,d”
a: Discarded commands
b: Discarded responses
c: Serial reception errors
d: Fragmentation errors
R
:ADDRess
Field bus address
R
:BAUDrate
Baud rate at field bus
R
*READ
leak rate in current unit
128
R
:ATM*cc/s
leak rate in Atm*cc/s
---
R
:G/a
leak rate in g/a (only in sniff)
---
R
:MBAR*l/s
leak rate in mbar*l/s
129
R
:PA*m3/s
leak rate in Pa*m3/s
---
R
:PPM
leak rate in ppm (only in sniff)
---
R
:TORR*l/s
leak rate in Torr*l/s
---
R
*STArt
start
1
S
*STOp
stop
2
S
*CAL
:STOP
abort calibration
11
S
:INT
start internal calibration
4
S
:DYN
start external dynamic calibration
4
S
:EXT
start external calibration
4
S
:CLOSED
report test leak closed (ext. cal. only)
11
S
*ZERO
switch zero on
6
S
:ON
switch zero on
6
S
:OFF
switch zero off
6
S
*MEAS
:P or :P1
P1 pressure in current unit
130
R
:ATM
P1 pressure in atm
---
R
:MBAR
P1 pressure in mbar
83
R
:PA
P1 pressure in Pa
---
R
:TORR
P1 pressure in Torr
---
R
:P2
P2 pressure in current unit
132
R
:ATM
P2 pressure in atm
---
R
:MBAR
P2 pressure in mbar
133
R
:PA
P2 pressure in Pa
---
R
Re
la
te
s to
L
D
cmd. no.
Read /
Set