INFICON LDS3000 Modular Leak Detector Interface description - Manual (Page 39)

LD Protocol 39
432 1B0
Leak rate unit
sniff
R/W UINT8 0, 0, 5
Leak rate unit sniff
0 - mbarl/s
1 - Pam3/s
2 - Atm ccs
3 - Torrl/s
4 - ppm
5 - g/a
433 1B1
Anode setpoint
M2 [V]
R/W UINT16 785, 905, 995
Anode voltage setpoint for mass 2
(hydrogen) in V
434 1B2
Anode setpoint
M3 [V]
R/W UINT16 510, 610, 670 Anode voltage setpoint for mass 3 in V
435 1B3
Anode setpoint
M4 [V]
R/W UINT16 390, 465, 520
Anode voltage setpoint for mass 4
(helium) in V
436 1B4
Emission
current setpoint
[V]
R/W FLOAT
1E-4, 2.5E-3,
2.8E-3
Emission current setpoint [V]
438 1B6
PLC input
configuration
IO module
R/W UINT8[10]
PLC_IN 1: -16, 11,
16
PLC_IN 2: -16, 4,
16
PLC_IN 3: -16, -12,
16
PLC_IN 4: -16, 7,
16
PLC_IN 5: -16, 2,
16
PLC_IN 6: -16, 3,
16
PLC_IN 7: -16,
9,16
PLC_IN 8: -16, 0,
16
PLC_IN 9: -16, 0,
16
PLC_IN 10: -16, 0,
16
Configuration of PLC input port of the IO
module
Index 0...9 = PLC_IN1...PLC_IN10
See table "PLC input conf."
439 1B7
Key switch
state
R UINT8
Key switch state
0=inactive, 1=active, 2= not used
Bit0&1: KEY_1
Bit2&3: KEY_2
Bit4&5: KEY_3
Bit6&7: not used
448 1C0
Valve control
location
R/W UINT16
Bit=0: Controled by leak detector
Bit=1: Controled by write command 449
449 1C1 Switch valves R/W UINT16
see table "Valves"
For setting valve by write comman see
also command 448
Comm
and dez
Com
mand
hex
Name R/W Data type
Min-, Def.-, Max-
value
Meaning