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16-Way Data Acquisition Module Data Acquisition System K Thermocouple Temperature Transmitter
Main Performance Profiles:
The module can measure 16-way K graduation (or J, T, E, R, S, B, etc.) thermocouple signals, modules can be applied to temperature measurement system. Its output is 485 bus mode, communication protocol for MODBUS-RTU, which is convenient for PLC and configuration software applications.
Module Main Parameters:
- Operating voltage: DC8 to 24V, with power polarity protection, maximum 1200mW
- Communication interface: RS-485 interface, two-wire system, + 15KV ESD protection
- Communication speed: 1200 ~ 19200bps, software settings
- Communication format: 1 bit start bit, 8-bit data bit, 1 bit stop bit, no parity bit
- Transmission distance: <1200M (19200bps)
- Module address: 00~255 software settings
- Input signal: 16-way K graduation (or J, T, E, R, S, B) and other thermocouple signals
- Measuring accuracy: 0.5
- Measuring range: J:0 to 1200 DEG C; K:0 to 1300 DEG C; T:0 to 400; E:0 to 1000; R:0 to 1700; S:0 to 1768; B:0 to 1800 DEG c;
- Input isolation: signal input and communication interface output isolation, isolation voltage 1000VDC
- Sampling rate: 0.15S per channel, 8 channel cycle measurement
- Installation: 35mm DIN rail clamping
- Working conditions: -20 to 70℃, 35%~85%RH, no condensation
Module RS-485 Communication Instructions:
1. module uses standard protocol for MODBUS-RTU to facilitate the connection of PLC and configuration software.
2. The bits of each byte in the protocol: 1 start bits, 8 data bits, no parity bits, and 1 bit stop bits. Using CRC-16 check.
3. Function code 04H: read hold register, read measurement data
Data start address range: 0100H to 010FH
Data Description: read 32-bit data, low word in front, high word in back.
Temperature data format description: one temperature data for 4 bytes, a total of 32bit (here 16 high, 0 has been), the actual temperature = reading measurement value /65536* range, the unit is: temperature
Package Included:
- 1 x Set of Data Acquisition Module
