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EIO24088 Bus Expansion Card Manual Version 1.1
14
2.1.6.3 Wiring Reference for Encoder Axis
Encoder connection
Some servo drives are not optocoupler isolation, now the internal GND of
controller must be linked with GND of drive together. Most drive encoders are not
optocoupler isolation, when connects with encoder, internal GND of controller must be
linked with GND of encoder together.