MONITORING SYSTEM OF PLC SYSTEM AND MONITORING METHOD OF PLC SYSTEM USING THE SAME

摘要

PURPOSE: A monitoring system of PLC system and a monitoring method of a PLC system using the same are provided to monitor regard less of the number of a communication driver by enabling the data between monitoring software of the PLC system to be shared. CONSTITUTION: In a monitoring system of PLC system and a monitoring method of a PLC system using the same, a plurality of monitoring units(100_1~100_N) include a plurality of monitoring software. A scheduling unit(110) comprises the scheduling software The scheduling unit(110) controls a data transmission channel between the monitoring software and a communication driver. The scheduling unit includes a port connection administrator, a process manager, and a data manager. Communication drivers(120,130) transfer monitor data offered from a PLC system.