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ME31-XDXX0800-485 8-channel PT100 thermal resistance temperature acquisition module supports RS485 interface Modbus RTU standard protocol

[Introduction]：ME31-XDXX0800-485 is a PT100 thermal resistor temperature acquisition module with 8-channel PT100 temperature acquisition function, supports RS485 communication interface, supports Modbus RTU standard protocol for acquisition, and can communicate with PC, configuration, PLC and other networks.

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No.	Label	Description
1	TX（LED）	Serial port data transmission indicator
2	RX（LED）	Serial port data reception indicator
3	PWR（LED）	Power input indicator
4	CH1+	1st PT100 temperature acquisition channel, PT100 positive input, 5.08mm Phoenix terminal.
5	CH1-	1st PT100 temperature acquisition channel, PT100 negative input, 5.08mm Phoenix terminal.
6	CH2+	2nd PT100 temperature acquisition channel, PT100 positive input, 5.08mm Phoenix terminal.
7	CH2-	2nd PT100 temperature acquisition channel, PT100 negative input, 5.08mm Phoenix terminal.
8	CH3+	3rd PT100 temperature acquisition channel, PT100 positive input, 5.08mm Phoenix terminal.
9	CH3-	3rd PT100 temperature acquisition channel, PT100 negative input, 5.08mm Phoenix terminal.
10	CH4+	4th PT100 temperature acquisition channel, PT100 positive input, 5.08mm Phoenix terminal.
11	CH4-	4th PT100 temperature acquisition channel, PT100 negative input, 5.08mm Phoenix terminal.
12	CH5+	5th PT100 temperature acquisition channel, PT100 positive input, 5.08mm Phoenix terminal.
13	CH5-	5th PT100 temperature acquisition channel, PT100 negative input, 5.08mm Phoenix terminal.
14	CH6+	6th PT100 temperature acquisition channel, PT100 positive input, 5.08mm Phoenix terminal.
15	CH6-	6th PT100 temperature acquisition channel, PT100 negative input, 5.08mm Phoenix terminal.
16	CH7+	7th PT100 temperature acquisition channel, PT100 positive input, 5.08mm Phoenix terminal.
17	CH7-	7th PT100 temperature acquisition channel, PT100 negative input, 5.08mm Phoenix terminal.
18	CH8+	8th PT100 temperature acquisition channel, PT100 positive input, 5.08mm Phoenix terminal.
19	CH8-	8th PT100 temperature acquisition channel, PT100 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.