User`s manual

UC-8410/8416/8418/8430 Hardware User's Manual Hardware Connection Description
4-9
DI/DO
The UC-8410/8416/8430 have 4-ch digital outputs and 4-ch digital inputs, while the UC-8418 has 12-ch digital
inputs and 12-ch digital outputs. The pinouts for the I/O are shown in the following figures:
Digital Input Wiring
Dry Contact
Wet Contact
Note: If are using wet contacts, you must connect “COM” to power.
Digital Output Wiring