15
EN
When limitation maintaining is inactive (
LJlt
=
off
), FAULT indicator
is disabled when:
• temperature limiter conditions have ceased to exist, i.e. the temperature
limit is not exceeded (see fig. 13 - see full version of service manual,
available at www.lumel.com.pl) AND
• there is no temperature sensor error (sensor short / open); When
the limitation maintaining is active (
LJlt
=
on
) FAULT indicator is
deactivated when:
• temperature limiter conditions have ceased to exist, i.e. the temperature
limit is not exceeded (see fig. 13 - see full version of service manual,
available at www.lumel.com.pl) AND
• there is no temperature sensor error (sensor short / open) AND
• there has been reset of the limitation maintaining by simultaneous
pressing the
and
button for 2 sec.
The FAULT indicator takes the opposite state to the OUT indicator.
SP
- (indicator of set point change) enabled during the change of
SP
set point.
PV v^ SP
- (indicator of correct status) enabled when the operation status
is correct, i.e.:
• for the limiter of too high temperature (
out
=
LJHi
), when the
measured value
PV
is lower than the
SP
set point.
• for the limiter of too high temperature (
out
=
LJlo
), when the
measured value
PV
is greater than the
SP
set point.
OUT
- (output indicator) indicates the status of the limiter output,
the indicator is on when limiter output is active (ON state at the output);
the Indicator off when limiter output is inactive (OFF state at the output).
Output is disabled when:
• temperature limiter conditions are met, i.e. the temperature limit is
exceeded (see fig. 13 - see full version of service manual) OR
• a temperature sensor error (sensor short / open) will occur.
The algorithm to disable the output (transition to normal operating
state) depends on the limitation maintaining function (
LJlt
).
When limitation maintaining is inactive (
LJlt
=
off
), the output is
enabled when:
• temperature limiter conditions have ceased to exist, i.e. the temperature
limit is not exceeded (see fig. 13 - full version of service manual) AND
