12 of 29
EchoPod
31 MAR 11
MN204210
Rev B
Pump/Valve Mode
This feature allows you to select the mode for a control or latching
relay. Pump/Valve mode is not active for Switch/Alarms Only or 4-
20 mA Transmitter Only.
o
Simplex
–
Allows for the relay to be used as an automatic fill
or empty. This is the default and only configuration when
1-
Pump/Valve
is selected.
o
Simplex used to Empty Tank (example)
o
Lead/Lag
– Allows for the 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 (example)
o
Duplex
- Allows for the 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 (example)
o
Not
Applicable
–
Appears when this function is not available
(such as when
Switch/Alarms Only
or
4-20mA Transmitters
Only
are selected).
Note:
Right click on any menu that you may have questions on to open the help menu.
Note:
To reset, press the Clear Screen button.
