ASAIR AFM0725 Скачать руководство пользователя страница 2

Figure  2  shows  the  appearance  structure  and  working  interface  of  AFM0725,  including  the  sensor  air  duct  and  working  interface.  The  working  interface  includes  an  LCD  

display  screen  and  operation  buttons.  The  contents  displayed  on  the  LCD  include  the  Modbus  communication  address  of  the  flowmeter,  gas  temperature,  cumulative  flow  and  

instantaneous  flow.  The  buttons  include  up,  down  and  set  buttons,  and  the  LCD  lights  1  and  2  are  the  upper  limit  warning  light  and  the  lower  limit  warning  light  respectively.  The  

sensor  air  duct  is  below  the  working  interface,  including  the  air  inlet  and  the  air  outlet.

1.  Appearance  structure  and  interface  definition

2  of  

www.aosong.com

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Figure  2.  AFM0725  Block  

July 2022

Diagram

1.1  Appearance  structure

Содержание AFM0725

Страница 1: ...and explosive gases It has been widely used in university scientific research fire protection environmental monitoring tobacco smart agriculture food medicine and other industries The range accuracy...

Страница 2: ...n address of the flowmeter gas temperature cumulative flow and instantaneous flow The buttons include up down and set buttons and the LCD lights 1 and 2 are the upper limit warning light and the lower...

Страница 3: ...ine GND External output 2 black line External output 1 Figure 3 Schematic diagram of device 8Pin female socket RS485B RS485A power cable GND 5 green line RS485A 7 pin 3 Table 2 Pinout Definitions brow...

Страница 4: ...Shell material describe pinout Repeatability 50ms PBT precision RS485 NPN open collector output 1 5V linear voltage output Air 25 C 1 standard atmosphere 0 85W typ Pressure Standard Calibration param...

Страница 5: ...display face July 2022 down 1 For the piping of the product inlet outlet please reserve a straight pipe part with a length of more than 12cm and the inner diameter of the straight pipe is less than 4...

Страница 6: ...efinition of AFM0725 is shown in Table 5 The digital output communication mode of AFM0725 gas mass flowmeter is RS485 communication and the communication parameters are shown in Table 4 4 Product Comm...

Страница 7: ...03 06 0 No alarm for lower limit address 1 6 4 Carbon dioxide CO2 0 L min 10 0x003B Read and write 03 06 1 10 baud rate model 10 03 L min 0x0035 03 10 03 0x00Fa 1 flow unit 1 Upper limit alarm 0 65535...

Страница 8: ...slave address Register 0x0000 stores the instantaneous flow value Received data bytes Table 8 Format Table for Host Send Write Register Command CRC code is used for verification 03 read multiplex regi...

Страница 9: ...L min the NPN open collector output port corresponding to external output 1 is closed closed alarm www aosong com The C language code for calculating the CRC code is as follows AFM0725 has 2 NPN open...

Страница 10: ...e and press the up and down keys to select the parameters to be set If there is no operation within 30 seconds the system enters the lock screen state When the alarm switch status icon in Figure 7 is...

Страница 11: ...one level menu Device Information Select the type of gas to be tested packing list Alarm system Back to one level menu quit AFM0725 pinout Factory reset the product Back to secondary menu Upper limit...

Страница 12: ...Failure to follow the recommendations could result in death or serious personal injury The company will not The technical specifications are indicated in the product manual of Aosong Electronics If t...

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