SPECIFICATIONS

Correlation parameter

Name: Thermocouple collector High temperature collector

Functional features:

Direct access to K-type thermocouple, using 485 bus can directly measure the

temperature

With RS485 to USB module, you can read directly from the computer through the

debugging assistant software

Communication mode :RS485

Measuring temperature range :0~1024 ° C

Resolution :0.5 degrees Celsius

Maximum collection rate :5Hz

Size :44mm*38.6mm(L * W)

Data format; Real temperature *10 (for example, the read value of 2627 means

that the temperature is 262.7 ° C)

Operating voltage :5v

Test method for connecting type K thermocouples

1. Set the communication parameters as shown in the figure (serial port number

is filled in according to the terminal number identified by your computer, and

other parameters are consistent with the figure).

The following communication data needs to be configured: Baud rate :9600

Check bit: none

Data bit :8 Stop bit :1

View COMO method: win7: Computer -> Right-click -> Management -> Device

Manager -> Ports (COM and LPT)

Windows 8/10: Desktop bottom left -> Right-click -> Device Manager -> Ports

(COM and LPT)

2 Enabling the Serial Port

3. Set the device address to 1

modbus protocol: Local address :0X01

Read instruction :0X03

Register address :0X0000

Number of reads :1

4. Set the register address to 0

5. Set the number to 1

6. Click the Read button to read the temperature value (245 in decimal, indicating

that the read value is 24.5 ° C)

Reading method by debugging assistant software

1. Set the serial port number

2. Configure the communication data as shown in the following figure: baud rate

:9600 Parity bit: None

Data bit :8 Stop bit :1

3. Select HEX Display and HEX Send

4. Open the serial port

5. Enter the character string 0103 00 00 00 01 84 0A

6. Click Send to get the temperature value

Query temperature, need to send serial port (modbus command, please check

related instructions)

01 03 00 0o 00 01 84 0A

The command is returned, for example, 010302 01 1A 38 1F

The fourth and fifth bytes are temperature data, which are 8 bits higher and 8 bits

lower respectively, in hexadecimal, that is, the current temperature 0X011A=

282(base 10), and the temperature =28.2 degrees Celsius

Read the temperature multiple times