31
LVCN414-SW Appendix
(continued)
Section Six
PUMP/VALVE MODE
This feature allows you to select the control mode for a latching relay.
Pump/Valve mode is not active for Switch/Alarms Only or 4-20 mA
Transmitter Only.
o
Simplex –
Allows the relay to be used for automatic fill or
empty. This is the default and only mode when
1-Pump/Valve
is selected.
o
Simplex used to Empty Tank
o
Lead/Lag
– Allows two relays to have unique start levels and a
common stop level. The first relay will be identified as the lead
relay and the second relay as the lag. Each time the lead level
is reached, the first relay will always start. The lag relay will
only start when the lag level is reached. All relays will stop at
the common off level.
o
Lead/Lag used to Empty Tank
o
Duplex
– Allows two relays to have two different start levels, a
common stop level and will alternate the relays when the first
start level is reached. The two relays will alternate each time the
lead level is reached and the remaining relay will start when the
lag level is reached. All relays will stop at the common off level.
o
Duplex used to Empty Tank
o
Not Applicable
– Appears when this function is not available
based on previous selections.
Note:
Right click on any item to open the help menu.
Note:
To reset the configuration table, press the Clear Screen button.
