... keys can be defined freely4) Support touch functionFor PLC part:1) 2 channels high speed pulse output ... cardsXMH-30RT-ETH765 with 26 buttons+30I/O PLC;16input 14 output; support RS485, 2CH pulse output ... cardsXMH-30R-ETH765 with 26 buttons+30I/O PLC;16input 14 output; support RS485, 2CH pulse output ... cardsXMH-30T-ETH765 with 26 buttons+30I/O PLC;16input 14 output; support RS485, 2CH pulse output ...