Nzluliyuan DS18B20 temperature acquisition module 8 RS485

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Nzluliyuan



First, the product overview
 
  8-channel temperature sensor DS18B20 input
 
The use of RS485 MODBUS RTU standard communication, and configuration software, PLC, industrial touch screen, such as networking
 
With communication status indicator
 
Communication circuit with lightning protection, anti-jamming design
 
Can be widely used in industrial field equipment, signal acquisition and control
 
Second, the main parameters
 
   Temperature input channels: 8-way (DS18B20 temperature sensor)
 
  Temperature range: -55 ~ 125C
 
  Temperature measurement accuracy: ± 0.5C
 
Temperature resolution: 0.1C
 
Effective connection distance: ≤ 25 meters (common line)
 
Operating temperature range: -20 ~ 70C
 
External power supply: DC 9V ~ 30V / 2W
 
  Isolation protection: 1500VDC
 
Installation: Standard DIN rail mounting or screw mounting
 
Dimensions: 125 × 73 × 35mm
 
Third, the interface definition
 
 
 
AVcc: External power input positive terminal
 
AGnd: External power input negative terminal
 
Vdd: + 5V, connect the temperature sensor DS18B20 pin Vdd
 
Data1: Connect the first temperature sensor DS18B20 pin DQ
 
Data2: Connect the second temperature sensor DS18B20 pin DQ
 
Gnd: 0V, connect the temperature sensor DS18B20 pin Gnd
 
Vdd: + 5V, connect the temperature sensor DS18B20 pin Vdd
 
Data3: Connect the third temperature sensor DS18B20 pin DQ
 
Data4: Connect to the DS18B20 pin DQ of the 4th temperature sensor
 
Gnd: 0V, connect the temperature sensor DS18B20 pin Gnd
 
Vdd: + 5V, connect the temperature sensor DS18B20 pin Vdd
 
Data5: Connect the DS18B20 pin DQ of the 5th temperature sensor
 
Data6: Connect the 6th temperature sensor DS18B20 pin DQ
 
Gnd: 0V, connect the temperature sensor DS18B20 pin Gnd
 
Vdd: + 5V, connect the temperature sensor DS18B20 pin Vdd
 
Data7: Connect the 7th temperature sensor DS18B20 pin DQ
 
Data8: Connect the 8th temperature sensor DS18B20 pin DQ
 
Gnd: 0V, connect the temperature sensor DS18B20 pin Gnd
 
485A: RS485 signal A +
 
485B: RS485 signal B-

 

 

Fourth, the temperature sensor application diagram

 

4

Fifth, communication instructions
 
     1, the communication parameters that (factory value): 9600, N, 8,1
 
123
 
Shipping CompanyShipping CostEstimated Delivery Time
DHL3 - 7 days
UPS Expedited3 - 7 days
EMS5 - 14 days
Post Air MailFree Shipping15 - 45 days
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N.B.: If the seller provides the "Longer Protection" service on this product, you may ask for refund up to 15 days after order completion.
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