FCP manual
Code +030220391 – rel 1.2 25/03/08
23
DIP4 function associated with dipswitch 4
type and Carel supervisor address integer var. 20
Modbus address read/write register 120
resolution and unit of measure 1
range 0 to 8
default 1
Parameter used to select the function enabled/disabled by dipswitch 4 rather than by parameter.
DIP4=0 no function associated
DIP4=1 Cut-off OFF: disabled ON: enabled
DIP4=2 Speed-up OFF: disabled ON: enabled
DIP4=3 Output saturation OFF: disabled ON: enabled
DIP4=4 Long impulse phase control OFF: short ON: long
DIP4=5 Reverse mode OFF: Direct ON: Reverse
DIP4=6 Slave mode 1 OFF: normal control ON: Slave mode 1
DIP4=7 Slave mode 2 OFF: normal control ON: Slave mode 2
DIP4=8 Slave mode 3 OFF: normal control ON: Slave mode 3
The value of the parameter normally used to enable the function has no affect if the function is selected by DIP4.
DLPL phase displacement
type and Carel supervisor address integer var. 21
Modbus address read/write register 121
resolution and unit of measure 1
range 0 to 100
default 10
Parameter used to set the displacement in the phase control function with reference to the zero crossing of the mains voltage. Used to optimise the operation of the
fans, adapting the displacement to the cos-fi of the fan. The maximum value of 100 corresponds to a displacement of around 90°. The output should be forced to
100% and parameter DLPL set accordingly to reach the maximum fan speed.
For resistive loads (cos-fi=1), the displacement should be set to zero.
Warning:
the parameter must be set with care, as unsuitable values may cause serious malfunctions of the fan.
SERM serial transmission mode
type and Carel supervisor address integer var. 22
Modbus address read/write register 122
resolution and unit of measure 1
range 0 to 1
default 0
Parameter used to set special serial communication operating modes.
SERM=0 Modbus transmission with even parity
SERM=1 Modbus transmission with no parity
FILT probe measurement filter
type and Carel supervisor address integer var. 23
Modbus address read/write register 123
resolution and unit of measure 1
range 0 to 13
default 6
Parameter used to set the way the values measured by the probes are filtered.
The values shown are typical and may change according to the mode set (CPU workload).
time constant (s) measurement update (s) measurements/average
FILT=0 0 0.08 8
FILT=1 0 0.15 16
FILT=2 0.15 0.08 8
FILT=3 0 0.3 32
FILT=4 0.3 0.15 16
FILT=5 0 0.6 64
FILT=6 0.6 0.3 32
FILT=7 0.6 0.15 16
FILT=8 1.2 0.6 64
FILT=9 1.2 0.3 32
FILT=10 2.4 0.6 64
FILT=11 2.4 0.3 32
FILT=12 5 0.6 64
FILT=13 10 0.6 64
STEP output ramp
type and Carel supervisor address integer var. 24
Modbus address read/write register 124
resolution and unit of measure 1s
range 0 to 10
default 1
Parameter used to set the minimum time for the variation of the output from 0% to 100% and vice-versa.
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