Technical Specifications
| Digital input | |
| Model | SRC1216 | 
| Rated voltage | 24 VDC(18V~30V) | 
| Number of signal points | 16 | 
| Signal type | PNP | 
| “0” signal voltage (PNP) | -3~+3 V | 
| “1” signal voltage (PNP) | 15~30 V | 
| Input filter | the default is 3 ms, and the range is 0~20 ms | 
| Input current | 4 mA | 
| Isolation mode | Optocoupler isolation | 
| Isolation withstand voltage | 500 VAC | 
| Channel indicato | Green LED |