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Temperature humidity sensor
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Table of Contents
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Brief Introduction
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Product Overview
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Primary Parameters
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Hardware Connections
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Checking before Installation
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Interface Description
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Installation
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Configuration Tool Installation
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Register Address
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Communication Example
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RS485 Modbus
JXBS-3001-TH--RS Temperature Humidity Sensor User Manual
JXBS-3001-TH-RS
Temperature Humidity Sensor
User Manual
RS485 Modubus
Version: 2.0
Date: 2020-1-1
Status: Released
www.jxct-iot.com
1 / 12
Table ofContents
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Table of Contents
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Summary of Contents for JXCT JXBS-3001-TH-RS
- Page 1 RS485 Modbus JXBS-3001-TH--RS Temperature Humidity Sensor User Manual JXBS-3001-TH-RS Temperature Humidity Sensor User Manual RS485 Modubus Version: 2.0 Date: 2020-1-1 Status: Released www.jxct-iot.com 1 / 12...
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Page 2: Brief Introduction
RS485 Modbus JXBS-3001-TH--RS Temperature Humidity Sensor User Manual I. BRIEF INTRODUCTION 1.1 Product Overview This product adopts high sensitivity photosensitive probe, the signal is stable and the precision is high. It has the characteristics of wide measurement range, good linear degree, good waterproof performance, convenient use, easy installation and long transmission distance. - Page 3 RS485 Modbus JXBS-3001-TH--RS Temperature Humidity Sensor User Manual 1.3 Probe Parameters and Selection PRODUCT PROBE TYPE TEMPERATURE HUMIDITY TYPE ACCURACY ACCURACY -S20 SHT20 ±0.3℃ ±3-7% -S30 SHT30 ±0.3℃ ±2-4.5% -S31 SHT31 ±0.3℃ ±2% -S75 SHT75 ±0.3℃ ±1.5-3% 1.4 Temperature Parameters（-S20） Minimum Typical value Maximum...
- Page 4 RS485 Modbus JXBS-3001-TH--RS Temperature Humidity Sensor User Manual 1.5 Humidity Parameter（-S20） Minimum Typical value Maximum Unit CONTENT Resolution（12bit） 0.04 Linear deviation ±3.0 Figure 2 Repeatability ±0.1 The scope of work Response time (63%) second Long-term drift <0.5 %RH /year Hysteresis ±1 Non-linearity <0.1...
- Page 5 RS485 Modbus JXBS-3001-TH--RS Temperature Humidity Sensor User Manual Figure 3 Relative humidity at different temperatures As shown in the above table, in the range of 15 to 55 degrees Celsius and 30 to 80 degrees of humidity, the accuracy of humidity is the highest, which is ±...
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Page 6: Hardware Connections
RS485 Modbus JXBS-3001-TH--RS Temperature Humidity Sensor User Manual FIGURE 5 MUTIPLE-ENDED II. HARDWARE CONNECTIONS 2.1 CHECKING BEFORE INSTALLATION Check the list of devices before installation: TABLE 1 List of Devices Name Number THE SENSOR DEVICE 12V POWER ADAPTER（Optional） WARRANTY CARD / CERTIFICATE THE USB TO 485 DEVICE（Optional）... - Page 7 RS485 Modbus JXBS-3001-TH--RS Temperature Humidity Sensor User Manual 2.2.1 Economic Sensor Wiring FIGURE 6 PHYSICAL PICTURE TABLE 2 Wiring Sequence Line Color Description Power supply Positive ( 12-24V DC ) Power Power supply Negative 485-A 485-A Communication 485-B 485-B Wiring method: After loosening the screw, insert the wire into the crimping hole from the terminal, and then tighten the screw to lock the wiring material.
- Page 8 RS485 Modbus JXBS-3001-TH--RS Temperature Humidity Sensor User Manual FIGURE 7 PHYSICAL PICTURE TABLE 3 Wiring Sequence Instructions Instructions 485-A Power supply Positive（12-24VC） 485-B Power supply Negative Sensor Power supply Positive Sensor Power supply Negative Note: When the sensor is built in, 3/4/7/8 is idle. Use a screwdriver to press down on the yellow buckle.
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Page 9: Installation
RS485 Modbus JXBS-3001-TH--RS Temperature Humidity Sensor User Manual The factory default is to provide 0.6 meters long wire rods. Customers can extend the wire rods as required or sequentially. Note that there are no yellow lines in the wire sequences that may be provided in some factory batches, in which case the gray line is equivalent to replacing the yellow line. -
Page 10: Configuration Tool Installation
RS485 Modbus JXBS-3001-TH--RS Temperature Humidity Sensor User Manual III. CONFIGURATION TOOL INSTALLATION We provide CONFIGURATION TOOL , which can be easily used to test our sensor device. 3.1 Sensor Access Computer Transmitter can be connected to PC with the RS485 to USB adapter. You can check the COM port number through Device Manager (right click My Computer). -
Page 11: Register Address
RS485 Modbus JXBS-3001-TH--RS Temperature Humidity Sensor User Manual Protocol Modbus RTU Data bits 8 bit Parity bit Stop bit 1 bit Error checking CRC (redundant loop code) 2400 bps/ 4800 bps/ 9600 bps can be set Baud rate factory defaults to 9600 bps For more information about please visit the website"www.modbus.org ". - Page 12 RS485 Modbus JXBS-3001-TH--RS Temperature Humidity Sensor User Manual Temperature: FF9BH ( hexadecimal ) =-101=> temperature =-10.1℃ Humidity: 292H( hexadecimal ) =658=>humidity =65.8%RH Address Function Number Of Valid Humidity Temperature CRC_L CRC_H Code Code Bytes Value Value 0x01 0x03 0x04 0x02, 0x92 0xFF, 0x9B 0x5A 0x3D...
