Rev. 0 - 05/11/2020
OPERATING MANUAL
OPERATING MANUAL
EN
EN
39/48
0 Reset
1 Min Speed
2 Max Speed
7 Max Current
21
Fixed Speed Setting
31
PID positive/negative
32 Avoid Range Start
33 Avoid Range End
34 Input Type
36
Max Power Out
45 Modbus Address
18.3 Holding register description
The Holding Register must be set with the fan stopped.
Changing the parameters while the fun is running may cause unexpected behavior.
CAUTION
CAUTION
Do not set the values outside the indicated limits, the driver could stop working without any alarm indication, it could be reset
or work in an undefined condition.
WARNING
WARNING
Holding Register 0:
RESET [Adim]
This register can be used to reset the fan by writing the value 1 on it. This register automatically retun to value 0 after being reset.
The driver will reset any error condition and it will try to restart.
Allowed values
= 0 and 1
Default value
= 0
Holding Register 1:
Min Speed [RPM]
This register is used to set the minimum speed of the fan.
Allowed values
= [Default Value, Max Speed]
Default value
= table below
280
315
355
400
450
500
560
630
1.35kW
1-Phase
500
400
400
300
300
300
-
-
2.65kW
3-Phase
300
300
150
150
150
-
-
-
4kW
3-Phase
-
-
-
-
300
300
300
300
If the below reported "Allowed values" are written between square brackets, they must be read as "maximum" and
"minimum".
46
Tacho\Alarm\Filter
47 Modbus Baud rate
48 Modbus Parity and Stop Bits
50
External PID Setting
51
PID Kp
52
PID Ki
53
PID Kd
54 PID Time
55 Speed Threshold
56 Communication Timeout
