OMNI 4000/7000 Operations and Maintenance Guide
– Rev F
3-46
OMNICONNECT® Operations
3.7.1 Primary and Secondary Variable Configuration
Each PID control loop involves a primary controlled variable with override control by a secondary
variable. The primary variable is the controlled variable unless the secondary variable exceeds or
falls below a secondary setpoint.
To access primary variable configuration entries, follow these instructions:
1.
In the Actions ribbon, click
Configure
.
2.
a. Select and expand
PID Control
in the
Configure
tree.
b. Select
PID Loop 1
to display its configuration screens to the right.
3.
In the
PID Loop 1 Config
tab, enter an
eight-character ASCII string in the
Control
Output Tag
field to identify the control loop
output.
