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46
Important Information
Setpoints
are entered in values according to the
function
selected.
Level -
entered in Display Units or % of span as referenced to Empty
Level.
Temperature -
entered in ºC.
See the appropriate
alarm function
, table (
P211, 221, 231
) for further
information.
Control
P210, P220 = 2 (Control)
When a relay is being set up as a
control
relay, the
second parameter
that
will be displayed in the menu determines its
function.
P211, P221 - Relay Function,
This function is used, where it is required to
energise
the relay to switch a
device, such as a pump,
ON
and
de-energise
the relay to switch the device
OFF
.
Options
Description
0 = Off
Relay is always de-energised
1 = General
Relay will
energise
“
ON
” as set in Relay
Setpoint 1
(P2
1
3, 2
2
3). And turns “
OFF
”,
de-energises
, as set in Relay
Setpoint 2
(P2
1
4, 2
2
4).
Important Information
A control relay is started and stopped at the “ON” and “OFF” setpoints. To
control down
(reduce level) then set “ON” higher than “OFF”. To
control up
(increase level) then set “ON” lower than “OFF”. For relay 1 “ON” is P213,
“OFF” is P214 and For relay 2 “ON” is P223, “OFF” is P224
