Item Details
1.Product description
8ch temperature sensor(DS18B20) input
Using RS485 MODBUS RTU communication standard. It can be nettedwith configuration software,PLC and industry touch pad.
Communication status LED
Communication circuit designed for lightening protection and interference immunity
Could be used for signal collection and control of Industrial field apparatus
3 Year's for normal use
2.Specification
Temperature input 8ch (DS18B20 temperature sensor)
Temperature measurement range -55-125°C
Temperature measurement accuracy ±0.5°C
Temperature resolution 0.1°C
Effective connection distance 25 meters(normal cable)
Working Temperature -20-70°C
External power supply DC 9V-30V/2W
Isolation protect 1500VDC
Installation method Standard DIN slide rail or screw
Dimension 125×73×35mm
3.Interface definition
AVcc
External PSU positive terminal input
AGnd
External PSU negative terminal input
Vdd
+5V, connect to DS18B20 pin Vdd
Data1
connect to DS18B20 pin DQ of 1stch
Data2
connect to DS18B20 pin DQ of 2ndch
Gnd
0V,connect to DS18B20 pin Gnd
Vdd
+5V, connect to DS18B20 pin Vdd
Data3
connect to DS18B20 pin DQ of 3rdch
Data4
connect to DS18B20 pin DQ of 4thch
Gnd
0V, connect to DS18B20 pin Gnd
Vdd
+5V, connect to DS18B20 pin Vdd
Data5
connect to DS18B20 pin DQ of 5thch
Data6
connect to DS18B20 pin DQ of 6thch
Gnd
0V, connect DS18B20 to pin Gnd
Vdd
+5V, connect DS18B20 to pin Vdd
Data7
connect DS18B20 to pin DQ of 7thch
Data8
connect to DS18B20 pin DQ of 8thch
Gnd
0V, connect to DS18B20 pin Gnd
485A
RS485 signal A+
485B
RS485 signal B-
4 Analog application diagram
Origin : Mainland China
Certification : CE