Tender For supply of programmable logic controller cpu minimum 8 digital inputs 24 vdc and 6 digital outputs relay or tra,programmable logic controller cpu minimum 8 digital inputs 24 vdc and 6 digital outputs relay or tra,plc digital input / output extensio module 8 digital inputs 24 vdc and 8 digital relay / transistor,plc digital input / output extensio module 8 digital inputs 24 vdc and 8 digital relay / transistor