Edwards ELD500 Series, Instruction Manual

Page: 109 / 121

D13510840D - Interface description
Page 99
452 01C4
Min pressure
sniff [mbar] FLOAT
R/W
0, 0.05,
0.15
Minimum
pressure for sniff
[mbar]
453 01C5
Max
pressure
sniff [mbar]
FLOAT R/W
0.05, 0.15,
0.2
Maximum
pressure for sniff
[mbar]
454 01C6
Lower leak
rate limit
UINT8 R/W 0, 0, 6
Lower leak rate
limit exponent
502 01F6
Amplifier
range
UINT8 R 0, 3, 7
Amplifier range
0 = 13 MOhm
1 = 470 MOhm
2 = 15 GOhm
3 = 500 GOhm
4 = 13 MOhm
(fixed)
5 = 470 MOhm
(fixed)
6 = 15 GOhm
(fixed)
7 = 500 GOhm
(fixed)
504 01F8
500GOhm
value
FLOAT R/W
30, 33.26,
40
Factor 15 GOhm
to 500 GOhm
506 01FA Mass UINT8 R/W 2, 4, 4
Mass
2 = Mass 2 (H2)
3 = Mass 3
4 = Mass 4
(Helium)
517 0205
Offset
internal [A]
FLOAT[3] R
-2.5E-10,
6.25E-15,
5.0E-9
Offset internal [A]
Index 0: Mass 2
Index 1: Mass 3
Index 2: Mass 4
518 0206
Offset inlet
[A]
FLOAT[3] R
1.25E-17,
2.5E-15,
5.0E-9
Offset inlet [A]
Index 0: Mass 2
Index 1: Mass 3
Index 2: Mass 4
Command
dec
Command
hex
Name Data type Read/
Write
Min-, Def-,
Max-value Meaning