P111 RELAY FUNCTION
Use this feature to define the operation of each relay required.
Relay Functions are divided into 4 categories
» ALARM: the relay de-energizes to set the alarm "ON".
» OPERATION: used for specific modes of Operation (P001).
» PUMP: the relay energizes to set the pump "ON".
» CONTROL: the relay energizes to set the control "ON".
Enter the Relay Function for the Relay Number displayed.
This value is reset if Relay Set Up (P100) is altered.
ALARM FUNCTIONS
HYDRO+ relays are de-energized to turn alarms "ON", and energized to turn alarms
"OFF". If HYDRO+ power is interrupted, the alarm is activated (assuming the alarm is
powered by an alternate source).
FUNCTION DESCRIPTION SETPOINTS
Level alarm at level setpoint P112, P113
In Bounds alarm at level between setpoints P112, P113
Out of Bounds alarm at level outside setpoints P112, P113
Rate of Change alarm at level rise or fall setpoint P112, P113
Temperature alarm at temperature setpoint P112, P113
LOE alarm if Failsafe Timer (P070) expires n/a
Cable alarm if cable short or opened n/a
Pump Efficiency
alarm if pump rate (P182) is less than reference (P180) n/a
Time of Day alarm on time of day P114, P146
Clock Failure alarm on clock failure n/a
Level Alarms may be assigned the following designations:
DESIGNATION PURPOSE DISPLAY INDICATOR SETPOINTS
(blank) no indicator none as desired
L Low Alarm ▼ P112 < P113
LL Lower Alarm ▼ ▼ P112 < P113
H High Alarm ▲ P112 > P113
HH Higher Alarm ▲ ▲ P112 > P113
To select a Level Alarm Designation (L,LL,H,HH or blank), enter the
Level Relay Function, and then...
PARAMETERS
PL-507 73
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