Rev. 1 - 05/10/2021
OPERATING MANUAL
OPERATING MANUAL
EN
EN
27/56
If two or more fans are installed in the same compartment and operated in parallel, the fans must start and
stop at the same time.
An auto-restarting alarm occurs when a fan is forced to run forward (or backward) rotation with a
speed higher than 150 rpm.
If an ext. 4-20mA device is used, it is necessary to add 0.1% precision resistances
between the ANALOG INPUT and GND.
The value of the resistance can range from:
125 Ω -> V
signal
ranges from 0.5V to 2.5V
to 500 Ω -> V
signal
ranges from 2V to 10V
TACHO /
A
LARM / FIL
TER
GN
D
MODBUS -B
MODBUS -A
GN
D
TRANSUCER INPU
T
ANALOG INPU
T
ENABL
E
+10V
+24V