CLS200 Series User’s Guide
Chapter 4: Setup
70
Output Override Digital Input
To enable the output override feature, select a digital input. When the specified input is activated,
the controller sets all loops to manual mode at the output levels specified at the
SENSOR FAIL HT
OUTPUT
and
SENSOR FAIL CL OUTPUT
parameters in the
SETUP LOOP OUTPUTS
menu.
ALARM
OUTPUT OVERRIDE
DIG INPUT? NONE
Selectable values:
NONE
or input number
1
to
8
.
Use the next parameter,
OVERRIDE DIG IN ACTIVE
, to set the signal state that activates the
output override feature.
WARNING!
Do not rely solely on the output override feature to shut down your process.
Install external safety devices or over-temperature devices for emergency shutdowns.
Override Digital Input Active
Specify whether a low or high signal activates the output override feature (see
OUTPUT OVERRIDE
DIG INPUT
above).
ALARM
OVERRIDE DIG IN
ACTIVE ? LOW
Selectable values:
HIGH
or
LOW
.
You can set the input to be active when low or active when high. When the input selected for
OUTPUT OVERRIDE DIG
INPUT
changes to the specified state, all the loop’s outputs are set to
their sensor fail levels.
Startup Alarm Delay
Set a startup delay for process and deviation alarms for all loops. The controller does not report
these alarm conditions for the specified number of minutes after the controller powers up. This
feature does not delay failed sensor alarms.
ALARM
OUTPUT OVERRIDE
DIG INPUT? NONE
Selectable values:
0
to
60
minutes.