System for displaying information or operating field device of automation equipment used in factory, has controller that identifies respective connected communication unit and enables communication protocol using keypad

摘要

The system has a keypad (2) that is connected with a communication unit (4) using standardized interfaces (3.1,3.2), and with a field device (1) using field device interfaces (5.1,5.2). The keypad is communicated with the field device using communication protocols (KPn) associated with a communication driver (ComDTM) and a device driver (DTM1). A controller (6) is provided to identify the respective connected communication unit and to enable the communication protocol for display of the information or operation of the field device using the keypad.