Chapter Nine: RS-232 Communications
Command Messages
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.
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com