Star Sensor Manufacturing Co., Ltd
To be a Chinese sensor begins with the heart and experience
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The MMA81Y conversion module is a 4-20mA to RS485 conversion module with 8 4-20mA two-wire input ports and a standard RS485 (RTU) communication interface as output.
| Basic parameters | |
| Input signal | 4-20mA |
| Output signal | RS485(RTU) |
| Corresponding data | 4000～20000 |
| Supply voltage | 9～28VDC |
| Maximum Power | 0.02*Us(W) (Us=supply voltage) |
| Protection level | IP54 |
| Overall weight | ≈118g |
| Ambient temperature | -40～80℃ |
| Conversion accuracy | ±0.1%FS |
| Electrical protection | |
| Short circuit protection | permanent |
| Reverse polarity protection | No damage, but not working |
| Insulation resistance | ≥100MΩ,500VDC |
| Dielectric strength | 500VAC |
| Overall material | |
| shell | ABS engineering plastics |
| Output Limitation | |
| RS485 | 0~24000 |
| Mechanical stability | |
| Vibration resistance | 10g (20…2000Hz) in accordance with IEC60068-2-6 standard |
| Impact resistance | 500g/ms, in compliance with IEC60068-2-27 standard |