INFICON LDS3000 Modular Leak Detector Interface description User Manual
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ASCII Protocol
:DIGITALIN
state of the PLC inputs as 16-bit binary number;
inactive=0, active=1
Byte 0, Bit 0: PLC In 1
Byte 0, Bit 1: PLC In 2
Byte 0, Bit 2: PLC In 3
Byte 0, Bit 3: PLC In 4
Byte 0, Bit 4: PLC In 5
Byte 0, Bit 5: PLC In 6
Byte 0, Bit 6: PLC In 7
Byte 0, Bit 7: PLC In 8
Byte 1, Bit 0: PLC In 9
Byte 1, Bit 1: PLC In 10
Byte 1, Bit 2: DIP_1
Byte 1, Bit 3: DIP_2:
Byte 1, Bit 4: DIP_3:
Byte 1, Bit 5: DIP_4
Byte 1, Bit 6: DIP_5
261
R
:IMess
Unfiltered ion current [A]
1568
R
*CONFig
:CALleak
leak rate of test leak
:INT
internal test leak in mbarl/s
394
R/S
:EXTVac
external test leak in vacuum mode in current vac
unit
390
R/S
:EXTSniff
external test leak in sniff mode in current sniff unit 392
R/S
:CALREQ
calibration request (OFF,ON);
with read: (OFF, ON_REQUESTED,
ON_NOTREQUESTED)
419
R/S
:CAThode
target state of the cathode
OFF (not saved after power loss)
ON1 (fix cathode 1)
ON2 (fix cathode 2)
AUTO (automatic switching cathode)
with read: AUTO1 / AUTO2: Auto with cathode 1
respectively 2 actual active
530
R/S
:RS232
Protocol (ASCII, LD, LDS1000)
26
R/S
:MASS
mass (2,3,4)
506
R/S
:MFAE
actual anode potential reference [V]
167
R
:M2
anode potential reference for mass 2 [V]
433
R/S
:M3
anode potential reference for mass 3 [V]
434
R/S
:M4
anode potential reference for mass 4 [V]
435
R/S
:MODE
operating mode (VAC, SNIFF)
401
R/S
:RECorder
:LINK1
Function at analog output channel 1
(OFF, P1, P2, MANT, EXP, LR_LIN, LR_LOG,
LR_LOG_H, EXTERN)
222
R/S
:LINK2
Function at analog output channel 1
(OFF, P1, P2, MANT, EXP, LR_LIN, LR_LOG,
LR_LOG_H, EXTERN)
222
R/S
Re
la
te
s to
L
D
cmd. no.
Read /
Set