Delta NH4 Serial Encoders

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Proprietary serial encoders for Delta's servos. They have an EEPROM that is programmed for the specific motor they are installed on, which identifies the motor to the drive so it can use the appropriate parameters. It uses a proprietary (undocumented) protocol.


Pin No. Wire Color Function
2 white/red T-
3 white T+
4 brown +5V
5 blue 0V

Wire to board connector is 6 position and marked "H JST" on the back above pin 6 and "U-P" above pin 1.

Bill of Materials