4-Port Digital Input Board
4-port Digital Input Board is a PHPoC smart expansion board for WET Contact or Dry Contact which can be used to monitor status of input ports.
PES-2402, 4-Port Photocoupler Input board, is one of smart expansion boards for PHPoC boards. You can monitor both DRY contact and WET contact outputs from some devices by using this board. Caution: A PHPoC Board is required to use this PES-2402 board!
What is the Smart Expansion Board?
A smart expansion board has own devices and firmware unlike the other expansion boards. This board communicate in a master-slave protocol through the designated port. Two or more smart expansion boards can be connected to one PHPoC board and each of them required to be setting a slave id.
User Manual : [PES-2402] 4-Port Digital Input Board User Manual