Pulsar Imp 3 - Relay (rL) Menu; Relay Type Configuration; Relay Alarm Functions

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Relay (rL) Menu
P210 (Relay 1), P220 (Relay 2) - Relay Type
This parameter defines what type each relay should be, see the table below
for available options.
Option Description
0=
Not in Use
(Default)
Relay not programmed
.
1= Alarm
Relay is programmed as an alarm relay,
which will de-energise ON, and energise
OFF. This will ensure an alarm is raised if
the power fails to the unit.
2 = Control
Relay is programmed as a control relay,
which will energise ON, and de-energise
OFF.
Alarms
P210 (Relay 1), P220 (Relay 2) =1 (Alarm)
P211 (RL1), P221 (RL2) - Relay Function
This parameter defines what function the alarm will respond to as follows.
Option Description
0= Off (Default)
Relay will not operate.
1= Level
Alarm is based on the level in the vessel, and the
type of level alarm (P212, 222) and two setpoints
must be set (P213, 223 & P214, 224). Setpoints are
entered in Display Units or % of span as referenced
to Empty Level
*
.
4= Loss of Echo
Alarm is raised if the Failsafe Timer (P809)
expires. No setpoints are required.