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Model BD306 Dual-Input Pump Controller Instruction Manual
7.8.3. Programming Set and Reset Points
High alarm indication: program set point above reset point.
Low alarm indication: program set point below resent point.
The deadband is determined by the difference between set and rest points. Minimum deadband
is one display count. If the set and reset points are programmed with the same value, the relay
will reset one count below the set point.
Note: Changes are not saved until the reset point has been accepted.
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7.8.4.
Setting Fail-Safe Operation
In fail-safe mode of operation, the relay coil is energized when the process variable is within
safe limits and the relay coil is de-energized when the alarm condition exists. The fail-safe
operation is set independently for each relay. Select
on
to enable or
oFF
to disable fail-safe
operation.
7.8.5. Programming Time Delay
The
On and Off time delays may be programmed for each relay between 0 and 999.9 seconds.
The relays will transfer only after the condition has been maintained for the corresponding time
delay.
The
On time delay is associated with the set point.
The
Off time delay is associated with the reset point.