Status LEDs meaning of M200 PLC.
The IN and/or OUT status LEDs are ON (Green color) if the inputs and/or outputs are active/high that is when the digital inputs/outputs are set to 1.
The following table describes the system status LEDs:| Label | Function Type | Color | Status | Description | ||
|---|---|---|---|---|---|---|
| Controller States | Programming Port Communication | Application Execution | ||||
| PWR | Power | Green | On | Indicates that power is applied. | ||
| Off | Indicates that power is removed. | |||||
| RUN | Machine Status | Green | On | Indicates that the controller is running a valid application. | ||
| Flashing | Indicates that the controller has a valid application that is stopped. | |||||
| Off | Indicates that the controller is not programmed | |||||
| ERR | Error | Red | On* | EXCEPTION | Restricted | NO |
| Flashing (with RUN status LED Off) | INTERNAL ERROR | Restricted | NO | |||
| Slow flash | Minor error detected | Yes | Depends on the RUN status LED | |||
| 1 single flash | No application | Yes | Yes | |||
| SD | Micro SD Card Access | Green | On | Indicates that the SD card is being accessed | ||
| Flashing | Indicates that an error was detected during the SD card operation. | |||||
| Off | Indicates no access (idle) or no card is present. | |||||
| BAT | Battery (only for M200) | Red | On | Indicates that the battery needs to be replaced. | ||
| Flashing | Indicates that the battery charge is low. | |||||
| Off | Indicates that the battery is OK. | |||||
| SL | Serial line 1 | Green | On | Indicates the status of Serial line 1 | ||
| Flashing | Indicates activity on Serial line 1 | |||||
| Off | Indicates no serial communication | |||||
| * ERR LED is also On during booting process | ||||||
Released for: Schneider Electric India
