Datasheet

Product Data Sheet RG125-19/12N/12
02/01/2019 page 5 of 10
3.2 Electrical Interface - Output
Tacho type /12 (TTL)
Features Note Values
Tacho signal TTL High Min.: 2,5 V Max.: 5,5 V
Tacho signal Low U
S low
I sink: 1 mA <= 0,4 V
Tacho signal High U
S high
I source: 1 mA 5,5 V
Maximum sink current I
sink
<= 1 mA
External resistor All voltages measured to GND.
Tacho frequency (2 x n) / 60
Tacho isolated from motor No
Slew rate => 0,5 V/us
n = revolutions per minute (1/min)
3.3 Electrical Features
Electronic function None
Reversed polarity protection Rectifying diode
Max. residual current at U
N
I
F
< 50 uA
Locked rotor protection Auto restart
Locked rotor current at U
N
I
block
approx. 1.650 mA
Clock signal at locked rotor t
3
/ t
4
typical: 0,6 s / 10 s