| 摘要 |
<p>One embodiment of the present invention relates to a PLC simulator. The technical problem to be solved is to simulate a PLC controlling a load facility in a plant automation system by verifying various kinds of PLC codes with software. For this, the PLC simulator according to one embodiment of the present invention includes a plurality of PLC modules with PLC software and a simulation module which performs a simulation for the verification of the PLC code. The PLC module includes a first communication unit, a first input signal supply unit, a first output signal supply unit, the PLC software, a memory unit which stores an operation program and operation data, and a control unit which controls the operation of each component.</p> |
