ROBOT CONTROL SYSTEM PROVIDED WITH FUNCTION OF CHANGING CRITERION FOR COMMUNICATION QUALITY IN ACCORDANCE WITH DISTANCE BETWEEN MACHINE AND PORTABLE WIRELESS OPERATION PANEL

摘要

A robot control system of the present invention includes: a control device for controlling a machine; a portable wireless operation panel that can perform wireless communication with the control device to control the machine; a distance measuring unit that measures the distance between the machine and the portable wireless operation panel; a communication monitoring unit that monitors the communication quality of wireless communication between the control device and the portable wireless operation panel; a warning generator that emits a warning to the operator or stops the machine when the communication quality becomes lower than a predetermined criterion; and, a criterion changing unit that changes the predetermined criterion in accordance with the distance between the machine and the portable wireless operation panel.