Fault alarm system based on PLC control

The invention belongs to the technical field of warehouse monitoring, and discloses a PLC control-based fault alarm system, which comprises a PLC module provided with a server, and also comprises a station fault signal acquisition module connected with the PLC module, and the station fault signal acquisition module comprises at least one station alarm module; a station indicating lamp connected with the PLC module is arranged on the station; according to the invention, the station alarm module gives an alarm when an error occurs in a shipment order, and the PLC module sends a signal to the screen and adjusts a state lamp of a station indicating lamp. The touch screen sends information to the mobile terminal through the WiFi module and reminds an administrator of fault processing through the voice broadcast module, after processing is completed, an alarm is removed through the touch screen, and the capacity of quickly finding a fault point and timely processing the fault point is improved. 本发明属于仓储监控技术领域，公开了一种基