Chapter Nine: RS-232 Communications Command Messa
es
267
Alarm Trip Point Messages
The trip point defines the pressure at which an alarm is tripped. Trip Point A and B are standard;
Trip Point C and D are available on the Auxiliary Output board.
Alarm Messages
Message Description Message Format
@
command
category
command
number
Parameter Data
Optionalc
hecksum
Alarm Enable @ 0 1 1 A, B, C, or
D
: E = Enable
D = Disable
CR
c1 c2
Trip Point Value @ 0 1 2 A, B, C, or
D
:
±
100,000 Torr
CR
c1 c2
Alarm Association @ 0 1 3 A, B, C, or
D
: 1, 2, 3, or 4
(channel #)
CR
c1 c2
Unlatch Currently
Alarmed Relays
@0 1 4
Any
character
CR
c1 c2
Status Alert @ 0 1 5
Any
character
: E = Enable
D = Disable
CR
c1 c2
Untripped State of
Unlatched Relay
@ 0 1 6 A, B, C, or
D
: A = Actuated
D = Deactuated
CR
c1 c2
Table 66: Alarm Messages
Table 67 lists the chapter that explains the function performed by each message.
Chapter References for Alarm Messages
Function Chapter
Alarm Enable
Chapter Seven: Operation in Setup Mode
Alarm Trip Point
Chapter Seven: Operation in Setup Mode
Alarm Association
Chapter Seven: Operation in Setup Mode
Unlatch Currently Alarmed Relays
Applies to RS-232 messages only
see below
Status Alert
Applies to RS-232 messages only
see below
Untripped State of Unlatched Relay
Chapter Seven: Operation in Setup Mode
Table 67: Chapter References for Alarm Messages
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