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Appendix A-5. Encoder extension card
Appendix A-5-1. VH6-DM100 (multi-function incremental PG card)(Under development)
Overview
VH6-DM100 is used for the feedback of motor speed and direction detection signal by frequency converter, so
as to achieve more accurate control of motor speed, direction and torque by frequency converter. It has
differential, push-pull, collector signal input, differential, collector frequency division signal output, encoder
input signal has optocoupler isolation, strong anti-interference ability.
VH6-DM100 specifications
NPN collector, push-pull, differential
PG card frequency division output type
Differential, NPN collector
NPN collector 200KHz, differential 500KHz
Frequency division multiples
Realization of 1 ~ 63 times with 6-bit dial switch
Encoder signal input interface
Encoder frequency division output interface
Pin definition
CN2 encoder frequency division output
LED status
VH6-DM100 expansion card has two LED lights to display the current expansion card status, and its functions
are shown in the table below:
LED1
PG card operation
light green
PG card system is abnormal, stop working
Encoder signal is very stable, no interference problem, no external
interference, and the speed is stable
The encoder signal is slightly unstable, the external interference is
small or the motor is in the process of acceleration and deceleration
The encoder signal is seriously unstable, the external interference is
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