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SO2 temperature and humidity integrated transmitter instruction manual (485 type) V1.0
SO2 transmitter
SO2 temperature and
humidity integration
Transmitter
instruction manual
(Type 485)
Document version：V1.0
1
Shandong Renke Control Technology Co., Ltd.
www.renkeer.com
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Summary of Contents for Renke 485
- Page 1 SO2 temperature and humidity integrated transmitter instruction manual (485 type) V1.0 SO2 transmitter SO2 temperature and humidity integration Transmitter instruction manual (Type 485) Document version：V1.0 Shandong Renke Control Technology Co., Ltd. www.renkeer.com...
- Page 2 SO2 temperature and humidity integrated transmitter instruction manual (485 type) V1.0 Shandong Renke Control Technology Co., Ltd. www.renkeer.com...
- Page 3 SO2 temperature and humidity integrated transmitter instruction manual (485 type) V1.0 Table of Contents 1. product description........................4 2.Equipment installation instructions..................6 3. Configuration software installation and use................8 4. letter of agreement........................9 5.Common problems and solutions...................14 6. Contact information......................15 7.Document history........................15 8.
- Page 4 The transmitter is widely used in air quality testing and other occasions where SO2 and temperature and humidity testing are required. Using 485 communication, standard ModBus-RTU communication protocol, communication address and baud rate can be set, the farthest communication distance is 2000 meters.
- Page 5 SO2 temperature and humidity integrated transmitter instruction manual (485 type) V1.0 transmission sensor SO2WS- SO2 concentration temperature and humidity three-in-one transmission sensor N01- RS485 (M0dbus protocol) Wall-mounted king shell External waterproof probe Shandong Renke Control Technology Co., Ltd. www.renkeer.com...
- Page 6 SO2 temperature and humidity integrated transmitter instruction manual (485 type) V1.0 1.5System framework System solution block diagram 2. Equipment installation instructions 2.1 Equipment inspection before installation Equipment List： ■1 set of SO2 transmitter equipment ■Self-tapping screws (2), expansion plugs (2) ■Product certificate, warranty card, wiring instructions, etc.
- Page 7 2.2 Installation step description 2.3 Interface Description Wide voltage power input can be 10~30V. When wiring the 485 signal line, note that the A\B lines cannot be connected in reverse, and the addresses between multiple devices on the bus cannot conflict.。...
- Page 8 SO2 temperature and humidity integrated transmitter instruction manual (485 type) V1.0 3. Configuration software installation and use 3.1 Software selection Open the package and select "Debug Software"---"485 Parameter Configuration Software" to find Open it。 3.2parameter settings 1. Select the correct COM port ("My Computer - Properties - Device Manager - Port"...
- Page 9 SO2 temperature and humidity integrated transmitter instruction manual (485 type) V1.0 4. If the test is not successful, please re-check the equipment wiring and 485 driver installation. 4. letter of agreement 4.1 Basic communication parameters Code 8-bit binary Data bit...
- Page 10 SO2 temperature and humidity integrated transmitter instruction manual (485 type) V1.0 Baud rate 2400bit/s, 4800bit/s, 9600 bit/s can be set, the factory default is 4800bit/s 4.2 Data frame format definition Adopt Modbus-RTU communication protocol, the format is as follows: Initial structure ≥ 4 bytes of time...
- Page 11 SO2 temperature and humidity integrated transmitter instruction manual (485 type) V1.0 0002 H 40003 Read 0~2000 0~20.00 concentratio only n value Shandong Renke Control Technology Co., Ltd. www.renkeer.com...
- Page 12 SO2 temperature and humidity integrated transmitter instruction manual (485 type) V1.0 4.4 Communication protocol example and explanation 4.4.1 Read the SO2 value of device address 0x01 Inquiry frame address cod initial address Check code lo Check code function code Data length...
- Page 13 SO2 temperature and humidity integrated transmitter instruction manual (485 type) V1.0 which is only applicable to the calculation of SO2: 1ppm =64/22.4=2.85mg/m3=2850ug/m3 1ppb =64/22.4=2.85ug/m3 Shandong Renke Control Technology Co., Ltd. www.renkeer.com...
- Page 14 5) The 485 bus is disconnected, or the A and B lines are reversed. 6) If the number of devices is too large or the wiring is too long, the power should be supplied nearby, add 485 enhancer, and increase the resistance of 120Ω terminal.
- Page 15 SO2 temperature and humidity integrated transmitter instruction manual (485 type) V1.0 6. Contact information Shandong Renke Control Technology Co., Ltd. Address: 2 / F, East Block, Building 8, Shun Tai Plaza, High-tech Zone, Jinan City, Shandong Province Post code: 250101 Phone: 400-085-5807 Website: www.renkeer.com...
- Page 16 SO2 temperature and humidity integrated transmitter instruction manual (485 type) V1.0 Shandong Renke Control Technology Co., Ltd. www.renkeer.com...
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