Emerson iPro IPG215D - Configuring Refrigeration Circuit Overrides; Circuit Overrides Default Value; Setting Override Value with Visograph

Configuring Refrigeration Circuit Overrides E2E Setup and Overview • 33
3. Highlight the I/O Module device and press
 (SETUP), press + at the same time
to bring up more list. Select option F Circuit
Ovr by pressing F on the E2E keyboard.
4. The parameter Num Circ Ovr’s will become
visible, setting this above 0 will define the
number of circuit overrides entered and setup
parameters will become visible.
5. Once a circuit override is defined, three (3) fields
will appear per circuit override: RACK ID,
CIRC ID, and CIRC OVR.
Rack ID
Select the Rack name that this circuit is connected to. The
rack name will be displayed in Visograph display next to
the circuit override value.
Circ ID
Enter the circuit number for the circuit that this circuit
override is associated to. The circuit number will be
displayed in Visograph display with the rack name.
Circ Ovr
This is the value of the circuit override and can be
associated to other E2E applications to shutdown a
refrigeration circuit.
4.6.1 Circuit Overrides Default
Value
The circuit override values may be linked to other E2E
applications and logic. If there is a communications failure
between E2E and I/O Module, the circuit override will
retain the last logical value before the offline event
occurred instead of switching to NOTACT or logical 0.
When communication is successful again, the E2E will get
the current value for the circuit override and change the
current value if necessary.
4.6.2 Setting Override Value with
Visograph
Once at least one circuit override is configured in the E2E
as outlined above, the override value can be toggled 
ON/OFF from the Visograph display. Setting a value of
ON in the value column initiates a refrigeration circuit
override to turn refrigeration OFF. Toggling the value
column to OFF in the Visograph indicates no override and
therefore the refrigeration circuit will be ON. Press the T6
CSW key from the Analog Inputs screen to navigate to the
Circuit Overrides screen and the T8/T7 arrow keys can be
used to move between the Circuit Overrides screens.
To edit the value of the override, use the T3/T5 keys to
move to the override. Press T4 to enter Edit mode, the
value will blink, and use the T3/T5 arrow keys to advance
the value to ON or OFF. Press T4 to save the selection.
Figure 4-24 - E2E- Circuit Overrides General Tab
Figure 4-25 - E2E- Circuit Overrides Setup Values
Figure 4-26 - Visograph - Setting Override