8 channel temperature sensor acquisition module RS485 RTU MODBUS SD08

8 channel temperature sensor acquisition module RS485 RTU MODBUS SD08 Feature: 8ch temperature sensor input Using RS485 MODBUS RTU communication standard. It can be netted with 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 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 Interface definition: AVcc – gt; External PSU positive terminal input AGnd – gt; External PSU negative terminal input Vdd – gt; +5V, connect to DS18B20 pin Vdd Data1 – gt; connect to DS18B20 pin DQ of 1stch Data2 – gt; connect to DS18B20 pin DQ of 2ndch Gnd – gt; 0V,connect to DS18B20 pin Gnd Vdd – gt; +5V, connect to DS18B20 pin Vdd Data3 – gt; connect to DS18B20 pin DQ of 3rdch Data4 – gt; connect to DS18B20 pin DQ of 4thch Gnd – gt; 0V, connect to DS18B20 pin Gnd Vdd – gt; +5V, connect to DS18B20 pin Vdd Data5 – gt; connect to DS18B20 pin DQ of 5thch Data6 – gt; connect to DS18B20 pin DQ of 6thch Gnd – gt; 0V, connect DS18B20 to pin Gnd Vdd – gt; +5V, connect DS18B20 to pin Vdd Data7 – gt; connect DS18B20 to pin DQ of 7thch Data8 – gt; connect to DS18B20 pin DQ of 8thch Gnd – gt; 0V, connect to DS18B20 pin Gnd 485A – gt; RS485 signal A+ 485B – gt; RS485 signal B-