Appendix G: Board Specific Commands
Auxiliary Output Messages
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Auxiliary Output Messages
The Auxiliary Output board provides two relays (in addition to relays A and B, available on the
General I/O connector), and two analog outputs (in addition to the single analog output provided
by the General I/O connector).
Auxiliary Output Messages
Function
Description
Command
Range and Restrictions
Alarms
Alarm enable
@011<para>:<data>
<para> is the alarm letter (A through D)
<data> is E for enabled; D for disabled
Trip point
value
@012<para>:<data>
<para> is the alarm letter (A through D)
<data> is the trip point pressure, from
-100000 to 100000 Torr, inclusive
Alarm
association
@013<para>:<chan>
<para> is any character (no significance)
<chan> is the input channel (1, 2, 3, or 4)
Unlatch cur-
rently alarmed
relays
@014<para>
<para> is any character (no significance)
Status alert
@015<para>:<state>
<para> is any character (no significance)
<state> is E for enabled; D for disabled
Untripped state
of unlatched
relay
@016<chan>:<state>
<chan> is the alarm letter (A through D)
<state> is A for actuated; D for deactuated
Relay Status
@60A<alarm>?
<alarm> is the alarm letter
Request only
Response: E = Enabled, D = Disabled,
T = Tripped
Alarm Status
@60B<alarm>?
<alarm> is the alarm letter
Request only
Response: E = Enabled, D = Disabled,
T = Tripped
(Continued on next page)
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