Humidity Temperature Module 4AI AM2301 12bit RS485 RS232 TTL Modbus LED Meter

Humidity Temperature Module 4AI AM2301 12bit RS485 RS232 TTL Modbus LED Meter
Brand: NiTwo
Product Code: 4AI AM2301 12bit
Availability: In Stock
Price: $59.00
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Product Description

Dear Engineer:

Please leave message in the comments, how much(price) should we declare on the parcel for help Customs clearance of your country.

All FREE shipping by faster HONG KONG Post Air Mail with Tracking Number and can be track by: www.17track.net/en

For it\'s hard to describe all details of product parameter clear here, any questions are welcome mail to us: ken(AT)nitwo.com .we will reply at local working time(9:00-17:00).

 

 

 

4 channels AM2301

temperature and humidity measure sampling circled LED meter

can connect 4 AM2301 sensors

RS485 module MODBUS

 

Humidity-Temperature-Module-4AI-AM2301-12bit-RS485-RS232-TTL-Modbus-LED-Meter-63

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Humidity-Temperature-Module-4AI-AM2301-12bit-RS485-RS232-TTL-Modbus-LED-Meter-63

 

This price is just a piece of module and without the  AM2301 sensor,

Communication baud rate: 9600.8.N.1        Data format: hexadecimal

 

Communication protocol and function:

 

————Read the temperature and humidity————

For example:

A module as a slave communicate with master by RS485,and,read the temperature and humidity of 4 ports .

The master send the message as this format:

Send content                                    Bytes        Send data                 Meaning

Slave address                                     1               01                               No. 01 Slave

Function code                                     1               03                               Read register

Register starting address                     2               0005                          The Command of reading

The number of words for reading        2               0008                          Read the 8 words of temperature and humidity

CRC check                                         2               XXXX                          The CRC result

 

The slave feedback the value one by one from port0 to port3.

The feedback format from the slave:

Send content                                         Bytes        Send data                 Meaning

Slave address                                           1               01                      No. 01 Slave

Function code                                           1               03                      Read register

Feedback length                                        1               10                      Feedback 16 bytes status value

The feedback date                                    16             00_AC_01_77           *port0:  17.2 humidity 37.5%

                                                                                FF_83_01_9C        port1:  -12.5 humidity 41.2%

                                                                                01_64_02_2D       port2:  +35.6 humidity 55.7%

                                                                                00_59_00_D8       port3:  8.9 humidity 21.6%

CRC check                                                   2               XXXX                  The CRC result

 

*The 0=”+” H0AC =172 , the value is 10 times of the real temperature, so the real temperature =172/10 =17.2

The F=”-” HFB3 =125(complement) , the value is 10 times of the real temperature, so the real temperature = 125/10 =12.5

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Offer one-Stop Software/Electronic/PCB/device/module Design services

Humidity-Temperature-Module-4AI-AM2301-12bit-RS485-RS232-TTL-Modbus-LED-Meter-63

*The maximum duty of us is the value of our product, the buyer should know the product is suitable to their work environment and user or not, use the product correctly and increase the protection measures if need.

 

Packaging Details
  • Unit Type: piece
  • Package Weight: 0.500kg (1.10lb.)
  • Package Size: 10cm x 10cm x 10cm (3.94in x 3.94in x 3.94in)
 

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