C-Link Protocol Commands
Alarms
B-16
Model 42
i
Trace Level Instruction Manual
Thermo Fisher Scientific
Send:
pressure alarm min
Receive:
pressure alarm min 205 mmHg
set alarm pressure min
value
set alarm pressure max
value
These commands set the pressure alarm minimum and maximum values to
value
, where
value
is a floating-point number representing pressure alarm
limits in millimeters of mercury. The example below sets the pressure alarm
maximum value to 215 mmHg.
Send:
set alarm pressure max 215
Receive:
set alarm pressure max 215 ok
alarm sample flow min
alarm sample flow max
These commands report the sample flow alarm minimum and maximum
value current settings. The example below reports that the sample flow
alarm minimum value is 0.300 LPM.
Send:
alarm sample flow min
Receive:
alarm sample flow min 0.3 l/min
set alarm sample flow min
value
set alarm sample flow max
value
These commands set the sample flow alarm minimum and maximum
values to
value
, where
value
is a floating-point number representing sample
flow alarm limits in liters per minute. The example below sets the sample
flow alarm maximum value to 2 LPM.
Send:
set alarm sample flow max 2
Receive:
set alarm sample flow max 2 ok
alarm trig conc no
alarm trig conc no2
alarm trig conc nox
alarm trig conc pre
This command reports the NO, NO
2
, NO
x,
and prereactor concentration
alarm trigger action for minimum alarm, current setting, to either floor or
ceiling. The example below shows the NO concentration minimum alarm
trigger to ceiling, according to
Table B–3
.
Send:
alarm trig conc no
Receive:
alarm trig conc no 1
set alarm trig conc no
value
set alarm trig conc no2
value
set alarm trig conc nox
value
set alarm trig conc pre
value
