
Page 38 HydroRanger 200 – INSTRUCTION MANUAL 7ML19981FC01
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Relays
Functions affected by setpoint are configured by parameters that determine the
application requirements such as timing. P111 Pump and Control functions (see page 127
sets the function requirements. Other function parameters:
• P132–Pump Start Delay
• P133–Pump Power Resumption Delay
• P645–Relay Duration
Relay Logic is Modified
Normal operating conditions means that alarms are off and pumps are on. This can be
reversed using P118–Relay Output Logic.
Relay Failsafe
P129–Relay Failsafe
Adjusts how individual relays react to a failsafe condition. Relays can be set to:
• OFF Control is by P071–Failsafe Material Level
• HOLd Keeps the relay in the current state
• dE De-energizes the relay (default for pump controls)
• En Energizes the relay
Preset Applications
Preset applications set up the relay parameters to predetermined values shown below:
Value # Parameters Affected
Off 0 All relays set to OFF
Wet Well 1
1
Pump down with the following settings:
Parameter
Relay #
123456
P111 52 52 1(H) 1(L) 0 0
P112 70% 80% 90% 10% – –
P113 20% 20% 85% 15% – –
Wet Well 2
2
Pump down with the following level and rate settings:
Parameter
Relay #
123456
P111 52 52 1(H) 1(L) 0 0
P112 70% 80% 90% 10% – –
P113 20% 20% 85% 15% – –
P121 1
Because the pumps are started by rate, you must change P703 to desired
empty rate.
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