Features:
- IKD 1 expansion unit with eight isolated inputs.
- Eight potential-free relay outputs for field switching.
- CAN interface links the I/O unit to the controller.
The 8440-2028 operates from a documented 6–36 V DC supply.
Input, relay and CAN wiring must follow the Woodward IKD 1 manual.
Node addressing and bus termination are checked during commissioning.
Apter Power supports exact-part quotation, Woodward 8440-2028 IKD 1 documentation and controller-matching guidance.
Woodward 8440-2028 IKD 1 Digital I/O Expansion Board Manuals,Datasheets,Link
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
- Eight galvanically isolated discrete inputs accept field signals.
- Eight potential-free relay outputs provide switched contacts.
- Compare field voltage and relay load with the individual input and contact ratings.
- The isolated CAN interface carries expansion I/O data.
- Set the CAN node identifier and baud rate for the connected controller.
- Verify network wiring and termination before functional testing.
- Check AC and DC relay duties separately in Woodward Manual 37135.
- Include load inrush and switching frequency in the contact-duty review.
- Do not exceed the documented terminal conductor and torque limits.
- Additional contact monitoring in a generator-control cabinet.
- Relay switching for supported controller commands and annunciation.
- CAN-connected expansion where the installed Woodward controller supports IKD 1.