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.