Here is the spec on the encoder. The unit can be calibrated
to users needs, according to the seller.
Encoder:
Resolution: 600 p/r
Power source: 5-24 VDC
Shaft: 6mm Dia, 15mm Length
Size: 40mm Dia, 37mm Length
Output : A B 2 phase output rectangular orthogonal pulse circuit,
the output for the NPN open collector output type
Maximum mechanical speed: 6000 R / min
response frequency: 0-20KHz
Cable length: 1.2 meter 4-core shielded cable
olf20 / Bob
Vcc: + power, V0: ground ,Connection color is clearly marked on nameplate ,
A B 2 phase output must not be directly connected with VCC, otherwise,
will burn the output triode.