This interface is designed by biotronic. This interface has been manufactured for the needs of manufacturers and industrial equipment users. Following are some of the technical features of this lcd interface which include: it has a 16-character 2-line display with 4 membrane keys; can be used by oems of industrial equipment to have a low cost operator interface to enter data and check various alarms and equipment conditions,one of the applications is as an interface to programmable logic controllers, device operates on very low current and has a serial interface. Equipment specific protocols can be built into the device which then communicates with the host equipment; front facia, number of keys, display size, etc, can also be customised. This device can be interfaced to any process control instrument/industrial electronic equipment which has a serial interface.