MKS 146C - Sensor Configuration Messages; Table 59: Sensor Configuration Messages

Chapter Nine: RS-232 Communications Command Messa
g
es
263
Sensor Configuration Messages
The sensor configuration messages set the parameters specific to each type of channel. For
example, you must set the gas type for a Pirani or convection gauge. Table 60, page 264, lists
the parameters for each gauge type.
Sensor Configuration Messages
Message Description Message Format
@
command
category
command
number
Parameter Data
Optional
checksum
Channel Range @ 0 6 1
1, 2, 3, or 4
(channel #)
: ASCII value CR
c1 c2
Channel Resolution @ 0 6 2
1, 2, 3, or 4
(channel #)
: ASCII value
that represents
the resolution
as a power of
10
CR
c1 c2
Channel Gas Type @ 0 6 3
1, 2, 3, or 4
(channel #)
: N = Nitrogen
A = Argon
H = Helium
CR
c1 c2
Channel Gauge
Factor/Sensitivity
@0 6 4
1, 2, 3, or 4
(channel #)
: ASCII value CR
c1 c2
Ion Gauge Disconnect
Threshold
@0 6 5
1, 2, 3, or 4
(channel #)
: ASCII value CR
c1 c2
Hot Cathode High
Pressure Shutoff
@ 0 6 6 1, 2, 3, or 4
(channel #)
: ASCII value CR
c1 c2
Hot Cathode Fast
Pressure Rate of Rise
Shutoff
@ 0 6 7 1, 2, 3, or 4
(channel #)
: E = Enabled
D=Disabled
CR
c1 c2
Convection Gauge
Type
@ 0 6 8 1, 2, 3, or 4
(channel #)
:4=GP
Convectron
5=HPS
Convection
CR
c1 c2
Table 59: Sensor Configuration Messages
Table 61, page 264, lists the chapter that explains the function performed by each message.
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