Rev. 1 - 05/10/2021
OPERATING MANUAL
OPERATING MANUAL
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Holding Register 53: Kd [Adim]
This register can be used to set the Derivative Gain of the PID control.
Allowed values = [0, 32767]
Default value = 0
Holding Register 54: Period [ms]
This register can be used to set the time constant of the PID control.
Allowed values = [0, 32767]
Default value = 0
Holding Register 55: Speed Threshold (or Speed Threshold HIGH) [RPM]
This register can be used to set the speed threshold, when the measured speed in the Input Register 3 over-
takes the threshold value.
Allowed values = [0, Max Speed]
Default value = 0
Allowed values (Functioning Indication mode) = [Speed Threshold Low, Max Speed]
Holding Register 56: Communication Timeout [s]
This register can be used to set a timeout period for the communication.
Allowed values = [0, 9hour 8min 8sec]
Default value = 0
Speed Threshold =0 means that it is
DEACTIVATED
At the end of the period set into the register the fan stops and there is an Alarm indication. To restart a reset
command must be sent. Communication Timeout =0 means that it is
DEACTIVATED
17.3.20 Holding Register 53
17.3.21 Holding Register 54
17.3.22 Holding Register 55
17.3.23 Holding Register 56
