Datasheet

Product Data Sheet 4412 F/2
06/28/2017 page 5 of 10
3.2 Electrical Interface - Output
Tacho type /2 (open collector)
Features
Note
Values
Tacho operating voltage U
BS
Min.: 5,0 V Max.: 30,0
V
Tacho signal Low U
S
low
I sink: 2 mA <= 0,4 V
Tacho signal High U
S
high
I source: 0 mA 30,0 V
Maximum sink current I
sink
<= 4 mA
External resistor
External resistor Ra from UBS to US required. All voltages measured
to GND.
Tacho frequency (2 x n) / 60
Tacho isolated from motor No
n = revolutions per minute (1/min)