background image

 

 

ID   Func-

tion 

Code  

Register 

Start  

Address  

Qty. Of  

Registers  

 

Qty 

Of 

Byte  

CRC16  

Register Data in  

Hexadecimal Floating 

Point Number 

High 

Byte 

Low 

Byte 

High 

Byte 

Low 

Byte 

High 

Byte 

Low 

Byte 

  

Eg: 

Write 

Value 

Offset 

0x01  0x10  0x00  0x12  0x00  0x02  0x04  0x 

00 

0x 

00 

0x 

3F 

0x 

80 

0x2A  0x63 

Write Floating Point Number 

Host Computer Transmission Format: 
 
 
 
 
 
 
 
 

Slave Computer Response Format: 

 
Note: 

The measured value if offset by 1.00, floating point number 1.00 coverts to  

hexadecimal 0X3F800000, transpose the high and low positions 0X00003F80 and write 

0X0012.

 

Write Integer 

Host Computer Transmission Format: 

Slave Computer Response Format: 

Note: 

Change the local computer address 1 to address 2 and write the hexadecimal  

number 0X00 02 into register 0X00 19.

 

 

 

ID  

Address  

Function 

Code  

Register Start  

Address  

Qty. Of  

Registers  

CRC16  

High 

Byte 

Low 

Byte 

High 

Byte 

Low 

Byte 

High 

Byte 

Low 

Byte 

Eg: Return 

Value Offset 

0x01 

0x13 

0x00 

0x12 

0x00 

0x02 

0xCD 

0xE1 

 

 

ID  

Ad-

dress  

Func-

tion 

Code  

Register Start  

Address  

Register Data in  

Hexadecimal Integer 

CRC16  

High 

Byte 

Low 

Byte 

High 

Byte 

Low 

Byte 

Eg: Write 

Device 

Address 

0x01 

0x06 

0x00  0x19 

0x00 

0x02 

0xCC 

0xD9 

 

 

ID  

Ad-

dress  

Func-

tion 

Code  

Register Start  

Address  

Register Data in  

Hexadecimal Integer 

CRC16  

High 

Byte 

Low 

Byte 

High 

Byte 

Low 

Byte 

Eg: Device 

Return  

Address  

0x01 

0x06 

0x00  0x19 

0x00 

0x02 

0xCC 

0xD9 

Summary of Contents for SRWQ100-YL105-9001

Page 1: ...ongevity please take a moment to familiarize yourself with this manual before powering the device Please keep it handy for future reference In case of any questions regarding the installation or use o...

Page 2: ...Make sure no bubbles are present in membrane head for accurate results Extension cutting joint and forcefully pulling signal line may cause inaccurate results Electrode Wiring Please follow the instru...

Page 3: ...is replaced every 18 to 24 months Follow the below procedure to replace the membrane head and add electrolyte Disconnect the power supply Turn the membrane head counter clockwise Remove the membrane...

Page 4: ...re shipment user can directly use it Online monitoring of the measured medium should keep a constant flow rate range 15 30 L h The calibration of dissolved oxygen electrode is performed by zero oxygen...

Page 5: ...ion Code Description This product supports 03 06 16 and other common function codes The output register uses 16 function codes when writing double word data or writing multiple data in batches Baud Ra...

Page 6: ...37 0x41 0xDB 0x8E 0x20 Slave Computer Response Format Note 72 37 41 DB transfer to floating point number CDAB change order is ABCD i e 41 DB 72 37 transfer to floating point is 27 4 Read Integer Host...

Page 7: ...omputer Transmission Format Slave Computer Response Format Note Change the local computer address 1 to address 2 and write the hexadecimal number 0X00 02 into register 0X00 19 ID Address Function Code...

Page 8: ...nt data to the 0x24 register Floating point 1 0 to hexadecimal number is 3F800000 high and low transposition is 00003F80 Send command 0110 00 24 00 02 04 00 00 3F 80 E0 14 The First Point Zero Calibra...

Page 9: ...00 12 Floating Point 2 Adjust measurement Temperature Offset 0x 00 14 Floating Point 2 Adjust temperature value Damping Coefficient 0x 00 16 Integer 1 0 10 Device Address 0x 00 19 Integer 1 1 255 Bau...

Page 10: ...6 Write upper limit of measurement 01 10 00 0A 00 02 04 00 00 41 20 42 58 01 10 00 0A 00 02 61 CA The upper measurement limit is set to 10 00 7 Write lower limit of measurement 01 10 00 0C 00 02 04 0...

Page 11: ...regularly Be careful while disassembling and rinsing the chlorine membrane Do not wipe chlorine membrane on the electrode with filter paper or sandpaper If the membrane head is fouled and clogged the...

Page 12: ...Modbus master device set tings and verify that the Modbus master device parity check is set to None Rs232 or RS485 cable is faulty Replace repair cables No network offsets and terminations or network...

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