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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 (P2
1
2, 2
2
2) and two setpoints
must be set (P2
1
3, 2
2
3 & P2
1
4, 2
2
4). 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.
Summary of Contents for Imp 10
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