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ME31-XEXX0800-485 8-way K-type thermocouple support Modbus RTU
[Introduction]：ME31-XEXX0800-485 is a K-type thermocouple temperature acquisition module with 8-channel K-type thermocouple temperature acquisition function, supports RS485 communication interface, supports Modbus RTU standard protocol for acquisition, and can communicate with PC, configuration, PLC and other networks.
| No. | Label | Description |
| 1 | TX（LED） | Serial port data sending indicator |
| 2 | RX（LED） | Serial port data receiving indicator |
| 3 | PWR（LED） | Power input indicator |
| 4 | CH1+ | The first channel is K-type thermocouple temperature acquisition channel, K-type thermocouple positive input, 5.08mm Phoenix terminal. |
| 5 | CH1- | The first channel is K-type thermocouple temperature acquisition channel, K-type thermocouple negative input, 5.08mm Phoenix terminal. |
| 6 | CH2+ | The second channel is K-type thermocouple temperature acquisition channel, K-type thermocouple positive input, 5.08mm Phoenix terminal. |
| 7 | CH2- | The second channel is K-type thermocouple temperature acquisition channel, K-type thermocouple negative input, 5.08mm Phoenix terminal. |
| 8 | CH3+ | The third channel is K-type thermocouple temperature acquisition channel, K-type thermocouple positive input, 5.08mm Phoenix terminal. |
| 9 | CH3- | The third channel is K-type thermocouple temperature acquisition channel, K-type thermocouple negative input, 5.08mm Phoenix terminal. |
| 10 | CH4+ | The 4th K-type thermocouple temperature acquisition channel, K-type thermocouple positive input, 5.08mm Phoenix terminal. |
| 11 | CH4- | The 4th K-type thermocouple temperature acquisition channel, K-type thermocouple negative input, 5.08mm Phoenix terminal. |
| 12 | CH5+ | The 5th K-type thermocouple temperature acquisition channel, K-type thermocouple positive input, 5.08mm Phoenix terminal. |
| 13 | CH5- | The 5th K-type thermocouple temperature acquisition channel, K-type thermocouple negative input, 5.08mm Phoenix terminal. |
| 14 | CH6+ | The 6th K-type thermocouple temperature acquisition channel, K-type thermocouple positive input, 5.08mm Phoenix terminal. |
| 15 | CH6- | The 6th K-type thermocouple temperature acquisition channel, K-type thermocouple negative input, 5.08mm Phoenix terminal. |
| 16 | CH7+ | The 7th K-type thermocouple temperature acquisition channel, K-type thermocouple positive input, 5.08mm Phoenix terminal. |
| 17 | CH7- | The 7th K-type thermocouple temperature acquisition channel, K-type thermocouple negative input, 5.08mm Phoenix terminal. |
| 18 | CH8+ | The 8th K-type thermocouple temperature acquisition channel, K-type thermocouple positive input, 5.08mm Phoenix terminal. |
| 19 | CH8- | The 8th K-type thermocouple temperature acquisition channel, K-type thermocouple negative input, 5.08mm Phoenix terminal. |
| 20 | 485-A | The A of the serial port is connected to the A interface of the external device, 5.08mm Phoenix terminal. |
| 21 | 485-B | The B of the serial port is connected to the B interface of the external device, 5.08mm Phoenix terminal. |
| 22 | V- | The negative pole of the power input terminal, DC 8V~28V, 5.08mm Phoenix terminal. |
| 23 | V+ | The positive pole of the power input terminal, DC 8V~28V, 5.08mm Phoenix terminal. |