© Arun Microelectronics Ltd 2020. All rights reserved
Page 32
14.8.
Host Computer Command Characters
Command parameters are single printable ASCII characters.
Relays are addressed by uppercase letters 'A' to 'D'.
Command
Char.
Ignored
Para.
Description
<poll>
P
0
Poll instrument (returns state and error byte).
(e.g. *P0)
<control>
C
0
Remotely control NGC3.
(e.g. *C0)
<release>
R
0
Return NGC3 to local control.
(e.g. *R0)
<reset error>
E
0
Reset all error flags.
(e.g. *E0)
<status>
S
0
Request a report of operating status for all gauges.
(e.g. *S0)
<Gauge on>
i
0
n
Switch on Ion Gauge emission.
n = ‘0’ 0.5
mA
n = ‘1’ 5
mA
(e.g. *i00)
<Select IG>
j
0
n
n = ‘1’
Ion Gauge 1 selected.
n = ‘2’
Ion Gauge 2 selected.
<Gauge off>
o
0
Switch off Ion Gauge.
(e.g.*o0)
<override>
O
0
R
Permanently energise relay R.
R = ‘A’ to ‘D’
(e.g. *O0A)
<inhibit>
I
0
R
Permanently de-energise relay R
R = ‘A’ to ‘D’
(e.g. *I0A)
<bake>
b
0
n
n = ‘1’ Start bake cycle.
n = ‘0’ Stop bake cycle.
Summary of Contents for NGC3
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