Datasheet

Product Data Sheet DV6424/12
02/01/2019 page 5 of 11
3.2 Electrical Interface - Output
Tacho type /12 (TTL)
Features Note Values
Tacho operating voltage U
BS
28,0 V
Tacho signal Low U
S low
I sink: 12 mA <=0,8 V
Tacho signal High U
S high
I source: 2 mA <=5,3 V
Maximum sink current I
sink
<= 25 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)
Tacho High = 4,5 ... 5,25 V
3.3 Electrical Features
Electronic function None
Reversed polarity protection Rectifying diode
Max. residual current at U
N
I
F
< 12 mA
Locked rotor protection Auto restart
Locked rotor current at U
N
I
block
approx. 4.000 mA
Clock signal at locked rotor t
3
/ t
4
typical: 1,4 s / 5,3 s