| 摘要 |
PURPOSE:To provide a centralized managing device for showcases or the like by which abnormality at a terminal side controller provided at the showcase or the like can be exactly grasped and the terminal side controller can be easily disconnected from a system when the abnormality is generated. CONSTITUTION:Based on the data from a terminal side controller 6, the microcomputer of a system controller 4 judges whether or not an alarm is contained in those data and when the alarm is contained, an LED display part is turned on for each channel. Based on the data from the terminal side controller 6, it is judged whether or not abnormality is generated at the terminal side controller 6 and when the abnormality is generated, the LED display part is flickered on for each channel. |
