These machine level interfaces are typically connected to a PLC.
Various communication protocols can be used, e.g. Profibus-DP, Modbus etc. Traditional panel operation is also possible with a connection to a host computer using an ASCII protocol.
TERMEX is a family of intrinsically safe text & graphic panels for hazardous areas (Zones 1, 2 & 22), with monochrome LC display for PLC & computer based operation of plant & machines located in hazardous areas.
Price Guide: POA