XY-MD03 เซ็นเซอร์วัดอุณหภูมิ วัดความชื้น Modbus RTU Temperature and humidity sensor transmitter RS485 collector module PE probe

Features:

• RS485 communication interface
• MODBUS communication protocol
• Custom Control Instructions
• PE waterproof probe
• Built-in EMC anti-interference
• Reverse polarity protection
• Low power consumption, high accuracy
• Temperature and humidity can be calibrated

Parameters:

• Working Voltage: DC 5V-28V
• Work Power: 0.05W (Max)
• Built-in Sensor: SHT40
• Tested Temperature Range: -40°C ~ 80°C
• Temperature Control Precision: ±0.3°C
• Temperature Resolution: 0.1°C
• Tested Humidity Range: 0%RH ~ 100%RH
• Humidity Control Precision: 3%RH
• Humidity Resolution: 0.1%RH
• Communication Interface: RS485
• Communication Protocol: MODBUS-RTU
• Output Refresh Speed: 0.5s
• Probe Size: 70*16*16mm
• Wire Length: 100cm

Wire Interface:

• Red wire: VCC. Connect to power positive pole.
• Black wire: GND. Connect to power negative pole.
• Yellow wire: RS485-A. Data cable.
• White wire: RS485-B. Data cable.

• It can be controlled by MODBUS-RTU control protocol which supports function codes 0x03/0x06/0x10.
• Baud rate: 9600, 14400, 19200, 38400, 56000, 57600, 115200
• Device address: 001~247
• Communication Interface: RS485
• Register Description (ดูใน datasheet)