INFICON LDS3000 Modular Leak Detector Interface description - Manual (Page 38)

38 LD Protocol
402 192 Leak rate filter R/W UINT8 0, 1 ,2
0 = 2-zone
1 = I•CAL
2 = Fixed
403 193
Leak rate
threshold for
averaging time
[mbar*l/s]
R/W FLOAT
1E-11, 1E-10,
9.9E3
Leak rate threshold for averaging time in
mbar*l/s. Below this value the averaging
time is 10,24s. Above this value the
averaging time is 160ms.
406 196
Serial number
leak detector
R CHAR[11]
Serial number of the complete leak
detector
407 197
Serial number
MSB
R CHAR[11] Serial number of the MSB
408 198
Serial number
IO modul
R CHAR[11] Serial number of the IO modul
409 199 Zero with start R/W UINT8 0, 0 ,1
Zero with Start
0 = OFF, 1 = ON
410 19A Zero mode R/W UINT8 0, 0, 5
unterdrückte Dekaden:
0 = suppress all
1 = 1 -2 decades background
suppression
2 = 2 -3 decades background
suppression
3 = 2 decades background suppression
4 = 3-4 decades background
suppression
5 = 19/20 of the raw signal background
suppression
411 19B Zero time R/W UINT16 0 , 5 , 30
Update interval for offset value if leakrate
signal is negative.
Resolution 0,1 s (50 = 5,0 s)
412 19C
Zero Sniffer
Key Enable
R/W UINT8 0, 1, 1
0 = zero key disabled
1 = zero key enabled
419 1A3
Calibration
request enable
R/W UINT8 0, 0, 1
0 = Calibration request disabled
1 = Calibration request enabled
430 1AE Pressure unit R/W UINT8 0, 0, 3
Pressure unit
mbar = 0
Pa = 1
atm = 2
Torr = 3
431 1AF
Leak rate unit
vacuum
R/W UINT8 0, 0, 2
Leak rate unit vacuum
0 - mbarl/s
1 - Pam
3
/s
2 - Atm ccs
3 - Torrl/s
4 - ppm
5 - g/a
Comm
and dez
Com
mand
hex
Name R/W Data type
Min-, Def.-, Max-
value
Meaning