PROCESS OPERATOR'S CONSOLE

摘要

PURPOSE:To perform the operations of terminals in the systems of different types through a switching system secured between the CRT display signal and the keyboard signal by switching the input/output signals which are fetched by plural different types of control parts with synchronization secured between a CRT display and a keyboard. CONSTITUTION:When a changeover switch 5 is turned on based on its state, a keyboard I/F 7 of a process control system control part 6 is connected to a keyboard 1 for communication via a signal switch 3. In the same away, the CRT signals of a CRT controller 8 are supplied to a CRT display 2 via a CRT signal switch 4. When the switch 5 is turned off, a terminal control part 14 of a host production management system is connected to the keyboard 1 via the switch 3 and also connected to the display 2 via the switch 4.