INFICON LDS3000 Modular Leak Detector Interface description User Manual
Page 19

LDS1000 Protocol
19
S14
ZERO status
"Zero"
0 - no correction
1 - a constant leak rate is suppressed
S18
CAL request status
See command Q/U 19
0 - no request
1 - request is present (temperature difference of
5°)
Serviceinformationen, die bei Rückfragen oder im Fehlerfall zur Lösung eines
Problems beitragen können
S30
software version
e.g.:1.00
S31
Serial number
xxxxxxxxxxxxxxx
S32
Operating hours counter xxxxxx
S35
Valve position
xy (always 2 characters)
"1" valve open
"0" valve closed
Byte x Valve for calibrated leak
Byte y Sniffer valve
S39
Status of the remote
contol inputs
See TH ??? Chapter ???.
xxxxxxx (always 7 signs) (Byte 0 first)
Byte 0: Input 7
Byte 1: Input 6
Byte 2: Input 5
Byte 3: Input 4
Byte 4: Input 3
Byte 5: Input 2
Byte 6: Input 1
Byte 7: always 0
S41
Preamplifier
Amplification of the preamplifier can be changed
through F26 … F30. xy
x: Status: 0 - auto, 1 - manuell
y: Amplification: 0 - 13M; 1 - 470M; 2- 15G; 3 -
0,5T
S42
Turbo pump
xxxxx (Byte 0 first)
Byte 0: speed too low
Byte 1: speed too high
Byte 2: always 0
Byte 3: FAIL converter ("1"-Error)
Byte 4: running up/ acceleration
Meaning
Representation