[Specifications]：4DI+4AI+4DO
[Communication interface]： RJ45, RS485
[Working voltage]： DC: 9~36V
[Installation method]：positioning hole, guide rail installation
[Product size]：110*25*100mm
[Product weight]：124±5g
[Introduction]：The distributed IO expansion module adopts an scalable design in structure and needs to be used with our M31 series distributed IO host.
| Category | Name | Parameter |
| DI input | input type | NPN: PNP |
| Input voltage | 12-24V | |
| Input instructions | DI green LED indicator light | |
| AI input | Collection characteristics | Single-ended input |
| input type | 0-20mA, 4-20mA | |
| AI resolution _ | 3%o | |
| Input instructions | none | |
| DO output | DO output type | Type A relay(Normally open) |
| DO output mode | Level output | |
| Relay contact capacity | 5A 30VDC, 5A 250VA.C (the maximum supported total current of the same COM common terminal is 8A) | |
| Output instructions | DO green LED indicator light | |
| other | Product Size | 110 mm * 25 mm * 100 mm (length*width*height) |
| Working temperature and humidity | -40 ~ +85°C： 5% ~ 95%RH (no condensation) | |
| Storage temperature and humidity | -40 〜+105℃; 5% 〜95%RH (no condensation) | |
| Installation method | Installation of positioning holes and guide rails |
