Indicator Description
| Digital I/O terminal indicator definitions |
| Indicator |
Name |
Color |
Status |
Status description |
| PWR |
Power indicator |
Green |
Always ON |
Normal power supply |
| Off |
Product not powered on or abnormal power supply |
| RUN |
Operation status indicator |
Green |
Always ON |
Normal system operation |
| Flashing 1Hz |
No service data interaction, waiting to establish service data interaction |
| Flashing 10Hz |
Firmware upgrade |
| Off |
System not working |
| 0~7 |
Input channel indicator |
Green |
Always ON |
Signal input present in the module channel |
| Off |
No signal input or abnormal signal input in the module channel |
| 0~7 |
Output channel indicator |
Green |
Always ON |
Signal output present in the module channel |
| Off |
No signal output or abnormal signal output in the module channel |
Last modified: 2025-11-06
