Page 36 MiniRanger Plus 7ML19981CJ01
Functional
Relays
General
Two onboard relays are provided in the MiniRanger Plus. Each relay can be
assigned one of two functions: Alarm or Pump. Relay two can also be used
to control a totalizer when the unit is in OCM mode.
Functions
Alarm
Note:
Alarm relays are de-energized in alarm condition.
high alarm : occurs when the level
rises to the on
setpoint. The alarm is
cancelled when the
level reaches the off
setpoint.
low alarm : occurs when the level
falls to the on setpoint.
The alarm is cancelled
when the level reaches
the off setpoint.
Pump
Note:
Pump relays are energized in pump condition.
pump down : occurs when the
level rises to the on
setpoint. The pump
is stopped when
the level reaches
the off setpoint.
pump up : occurs when the
level falls to the on
setpoint. The pump
is stopped when
the level reaches
the off setpoint.
high
alarm
low
alarm
on, P112
off, P113
off, P113
on, P112
pump
down
pump
up
on,P112
off,P113
off,P113
on,P112
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