3. From the Relay Setup menu, choose Select Source and push
ENTER. Normally, a source is one of the sensors attached to the
system, but the controller can also function as a source. If an analog
input module is installed, the source may be the analog input.
4. From the Relay Setup menu, select Set Parameter and choose from
the list of parameters. The list of parameter options will vary with the
type of attached sensor.
5. From the Relay Setup menu, select Set Function and choose from
the list. Further setup will depend on the function chosen.
Option Description
Scheduler Function
(available if the
controller is selected as
the relay source)
Relay switches at certain times independently
of any process value
Alarm Function Relay activates when upper or lower alarm
value is exceeded
Feeder Control Function Relay indicates if a process value exceeds or
falls below a setpoint
Event Control Function Relay toggles if a process value reaches an
upper or lower limit
Pulse Width Modulation
(PWM) Control Function
Relay uses a Pulse Width Modulation control
depending on a process value
Frequency control Relay switches with a frequency depending on
a process value
Warning Relay indicates warning and error conditions in
probes
6. From the Relay Setup menu, select Set Transfer and choose Active
or Inactive.
7. From the Relay Setup menu, select Fail Safe and choose Yes or No.
8. From the Relay Setup menu, select Activation.
The activation options for the selected function appear. Use the
information in the table below each function to update the options.
9. Test the relay function to make sure it is properly energizing the
connected device. To do relay testing, go to the Setting menu, then
select Test/Maint!Test Relay.
• Scheduler Function (refer to Figure 17)
Option Description
Hold outputs Holds outputs in the present ON or OFF state
Run days Sets the weekday(s) that the relay operates. Options:
Sunday, Monday, Tuesday., Wednesday, Thursday, Friday,
Saturday
Start time Sets the start time.
Interval Sets the time between activation cycles (Default value:
5 min).
Duration Sets the period of time the relay is energized (Default value:
30 sec).
Off delay Sets the time for additional hold/output time after the relay
has been turned off.
Figure 17 Scheduler function
1 Duration 3 Interval
2 OFF delay 4 Time (x-axis)
(nglisK 29
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