Simulatoreinheit zum Simulieren einer Peripherieeinheit einer modular aufgebauten speicherprogrammierbaren Steuerung

摘要

The invention concerns a simulator unit (5) for simulating at least one peripheral unit (2) of a modular programmable controller. To this end, the simulator unit (5) comprises a bus interface (11) to the peripheral bus (3) and an input/output device (12) for communication to the exterior. According to the invention, the bus interface (11) and the input/output device are connected to an intelligent unit (10) which is further associated with a memory (13, 14). During operation, the intelligent unit (10) assesses the signals received via the bus interface (11) and controls the input/output device (12) accordingly, and interrogates the input/output device (12) and controls the bus interface (11) accordingly.