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20
TYPE 7
Input of sensors, outlet by relay with modulation
of the working time proportional to the changes of the
sensors.
The
programme
proportional band and a maximum and minimum
percentage of outlet.
When the v alue of the sensor is lower than the
reference, the outlet increases proportionally from the
minimum to the maximum, obtaining this last one when
the sensor reaches the value of reference minus the
programmed proportional band.
The value of time, called "cycle of modulation",
corresponds to the 100% of the time of activation of
outlet. If the value of proportion decreases, the outlet
will be activated for as long as it corresponds from the
percentage of the cycle of modulation and the rest of
the proportion will not be activated. This will be
repeated once the time of the cycle of modulation is
finished.
Example: proportional heating.
CONSULT
P03
HEAT-1 E 21.5 ºC
S 025 %
PROGRAMME
P03
HEAT-1 C0
Reference= 22.0 ºC
Pro. Band= 02.0 ºC
Min= 00% Max= 090%
High alarm(+)= 00.0
Low alarm(-)= 03.8
Manual (Yes/no)= No
CURVE1
P03
HEAT-1 C1Pto1
Pos=000
Pos=017
Pos=035
Pos=045
CURVE2
P03
HEAT-1 C2Pto1
Min=00%
Min=00%
Min=00%
Min=00%
CONFIGURATION
P03
HEAT-1
Type of working= 7
Text= 02
Num. of inputs= 3
Num. of outlet= 03
Modulation cycle= 000
is
given
a
reference,
Ref=34.0 ºC
Ref=26.5 ºC
Ref=23.5 ºC
Ref=22.0 ºC
Max=090%
Max=085%
Max=075%
Max=070%
Number= 1
0
Conditioning Pro.= 00
Affects in code= 00
RECORD
HEAT-1 21/06 (047%)
a
22.1
High alarm
20.0
15.0
10.0
Low
5.0
Maximum
100%
Minimum
0%
State relay
of outlet
21.2
19.7 ºC
REFERENCE
Value of sensor
PROPORTIONAL BAND
Alarm
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