中文版
ENGLISHPRODUCT CATEGORIES
| Name | Feature | Terminal mark | Port function description |
| Power supply | DIO board power input | +24V | Main board power input（+24V） |
| 0V | Main board power supply 0V | ||
| Control signal port | DIO board signal interface | H | H signal |
| L | L signal | ||
| SGND | Signal common terminal | ||
| Control power supply | Extended input power input | VIN | Control power supply（24V） |
| PGND | Control power supply ground | ||
| Input | Extended input signal interface | IN1 | Extended input 1 |
| 1N2 | Extended input 2 | ||
| IN3 | Extended input 3 | ||
| IN4 | Extended input 4 | ||
| COM1 | Extended input 1-4 Com | ||
| IN5 | Extended output 5 | ||
| IN6 | Extended output 6 | ||
| IN7 | Extended output 7 | ||
| IN8 | Extended output 8 | ||
| COM2 | Extended input 5-8 Com | ||
| Output | Extended output signal interface | OUT1 | Extended output 1 |
| OUT2 | Extended output 2 | ||
| OUT3 | Extended output 3 | ||
| OUT4 | Extended output 4 | ||
| COM3 | Extended output 1-4 Com | ||
| OUT5 | Extended output 5 | ||
| OUT6 | Extended output 6 | ||
| OUT7 | Extended output 7 | ||
| OUT8 | Extended output 8 | ||
| COM4 | Extended output 5-8 Com |
