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User Manual Digital Heat Regulators
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defined by the “dependence” parameter: the switching point is calculated by
adding a percentage “IN0” (from -100% to +100%) to the set-point of the
differential
(32) indicates the OFF switching point of the relay with respect to the point where the
ON switching took place. The OFF switching point is calculated by adding to the
ON point a percentage “DF0” (from -100% to +100%) of the differential.
Note: the default values of these parameters depend on the operating
mode and number of channels, as set out in the table below:
1 Channel
Operating mode
Parameter 0 1 2 3 4 5 6 7 8 9 10
IN0 100 -100 -100 50 -50 -100 * 100 -100 -100 0
DF0 -100 100 100 -100 100 100 * -100 100 100 100
IN1 100 -100 100 50 -50 100 * 100 -100 100 0
DF1 -50 50 -100 -50 50 -100 * -50 50 -100 100
2 Channels
Operating mode
Parameter 0 1 2 3 4 5 6 7 8 9 10
IN0 50 -50 -100 0 0 -100 * 50 -50 -100 -100
DF0 -50 50 100 -50 50 100 * -50 50 100 100
IN1 100 -100 100 50 -50 100 * 100 -100 100 0
DF1 -50 50 -100 -50 50 -100 * -50 50 -100 100
* The default values for mode 6 are the same as those of modes 0 or 1, depending
on whether the outputs are operating in direct or reverse.
• Due to alarms or malfunctions, the display of the measurement may alternate
with the display of messages describing the type of alarm.
The table below describes the alarm/error messages used.
Message Type of error Output status
ER0 Sensor 1 disconnected or in short circuit As parameter [SUA]
ER1 Sensor 2 disconnected or in short circuit As parameter [SUA]
ALL Minimum alarm Depends on operating mode
ALH Maximum alarm Depends on operating mode
ALE Outside input alarm As parameter [SUA]
OFF Regulation inhibited by outside input As parameter [SUA]
Note:
the “OFF” message is not alternated with the measurement, but remains fixed
on the display
ERROR MESSAGES
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