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FS34100 User Manual
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Table of Contents
1.
Overview .................................................................................................. 5
2.
Receipt / unpack of the products ................................................................ 6
3.
Knowing the products ............................................................................... 7
3.1.
Product description ................................................................................................... 7
3.2.
Power and data cable description ............................................................................... 7
3.3.
Mechanical dimensions .............................................................................................. 8
4.
Installation ............................................................................................... 9
5.
Operation ................................................................................................ 11
5.1
Check the product specifications .............................................................................. 11
5.2
Check the leakage ................................................................................................... 11
5.3
Power the product and digital data connection ......................................................... 11
5.4
RS485 Modbus communication protocol ................................................................... 12
5.5.1. Hardware connection .................................................................................................... 12
5.5.2. Communication parameters ........................................................................................... 12
5.5.3. Frame .......................................................................................................................... 13
5.5.4. Function codes ............................................................................................................. 13
5.5.5. Registers ...................................................................................................................... 13
5.5
Analog output (0.5 ~ 4.5Vdc) .................................................................................... 16
5.6
Pressure loss ........................................................................................................... 17
6.
Product selection .................................................................................... 18
7.
Technical specifications ............................................................................19
8.
Technical notes for the product performance ............................................. 20
8.1
Measurement principle ............................................................................................ 20
8.2
Precautions for the best performance of the product ................................................. 20
8.2.1. Comparison with a third-party reference meter ............................................................... 20
8.2.2. Particle contamination and fluidic cleanness ................................................................... 21
8.2.3. Apply to a different gas medium .................................................................................... 21
