SUPMEA SUP-P260-M4 User Manual Download | Manualshive

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Chapter 7 Communication Protocol

www.supmea.com

11

115200

0X03

0X0303 Unsigned

int

2

0-None

Check bit

1-ODD

2-EVEN

0X03

0X0304 Unsigned

int

2

0

～

7

Pressured

decimal point

0X03

0X0305 Unsigned

int

2

0

～

7

Emperature

decimal point

0X03

0X0306 Float

4

0.5

～

1.5

Pressure gain

coefficien

0X0307

0X03

0X0308

Float

4

Pressure base

value

0X0309

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Summary of Contents for SUP-P260-M4

Page 1: ...EN1 Supmea Automation Co Ltd www supmea com info supmea com Headquarters 5th floor Building 4 Singapore Hangzhou Science Technology Park No 6 street Hangzhou Economic Development Area Hangzhou 310018...

Page 2: ...by the false operation After reading please keep it in a place convenient for reading at any time for reference during operation Note Modification of this manual s contents will not be notified due t...

Page 3: ...edictable damage caused directly or indirectly by improper operation of the user Package contents After opening the box please confirm the package contents before starting the operation If you find th...

Page 4: ...ontents Chapter 1 Overview 1 Chapter 2 Specifications 2 Chapter 3 Dimension and Structure 3 Chapter 4 Wiring 4 Chapter 5 Notes 5 Chapter 6 Warranty After sales Service 6 Chapter 7 Communication Protoc...

Page 5: ...el transmitter is applied to fluid depth measurement at industrial areas transfers measured depth value to standard signal such as 4 20 mA 0 5 V RS485 It matches various instruments and is widely used...

Page 6: ...Level 0 100 m Accuracy Temperature 1 5 Level 0 5 Stability 0 25 FS Year Zero temperature drift 0 05 FS Sensitivity temperature drift 0 05 FS Compensation temperature 0 50 Medium temperature 20 65 Sup...

Page 7: ...Chapter 3 Dimension and Structure www supmea com 3 Chapter 3 Dimension and Structure Integrated measurement of liquid level temperature removable protective cap welded structure RS485 output Figure 1...

Page 8: ...Chapter 4 Wiring www supmea com 4 Chapter 4 Wiring 4 1 Electrical connectionN Red Vcc Green Vcc Yellow TX A Blue RX B Black Shield Wire 4 2 Wiring diagram Figure 2 RS485 output...

Page 9: ...outdoor installation and lightning protection measures should be taken to prevent lightning from damaging the products For the accuracy of measurement the fluidity of the medium should be ensured It p...

Page 10: ...e and all non customized products are guaranteed to be returned and replaced within 7 days Disclaimers During the warranty period product faults caused by the following reasons are not in the scope of...

Page 11: ...unication Protocol 7 1 Overview This protocol complies with the MODBUS communication protocol and adopts the RTU mode and RS485 half duplex mode in the MODBUS protocol Currently the device supports th...

Page 12: ...of host operation actual value of slave operation 7 4 Format Serial port settings 8 bit data 1 bit stop Example 9600 N 8 1 Meaning 9600bps No check 8 bit data 1 bit stop serial port baud rate supporte...

Page 13: ...3 0X02 0X00 0X01 0X79 0X84 Write command format 06 Function Code example Address Function code Data starting H Data starting L Data H Data L CRC16 L CRC16 H 0X01 0X06 0X00 0X00 0X00 0X02 0X08 0X0B B R...

Page 14: ...eanings of the commands and data Function Code Data starting address Data type Data byte Data range Directive significance 0x03 Function code read data 0X03 0X0300 Unsigned int 2 1 247 Address 0X03 0X...

Page 15: ...303 Unsigned int 2 0 None Check bit 1 ODD 2 EVEN 0X03 0X0304 Unsigned int 2 0 7 Pressured decimal point 0X03 0X0305 Unsigned int 2 0 7 Emperature decimal point 0X03 0X0306 Float 4 0 5 1 5 Pressure gai...

Page 16: ...Communication Protocol www supmea com 12 0X03 0X030A Float 4 Temperature base value 0X030B 0X03 0X030CUnsigned int 2 0001 kPa Pressure unit 0002 MPa 0003 mmH2O 0004 mH2O 0005 mmOIL 0006 mOIL 0007 Bar...

Page 17: ...DUnsigned int 2 0080 Temperature unit 0081 0X03 0X0404 Float 4 Pressure output value 0X0405 0X03 0X0408 Float 4 Temperature output value 0X0409 0x06 Function code read data 0X06 0X0300 Unsigned int 2...

Page 18: ...0302 19200 38400 57600 115200 0X06 0X0303 Unsigned int 2 0 None Check bit 1 ODD 2 EVEN 0X06 0X0304 Unsigned int 2 0 7 Pressured decimal point 0X06 0X0305 Unsigned int 2 0 7 Emperature decimal point 0X...

Page 19: ...www supmea com 15 0X06 0X0308 Float 4 Pressure base value 0X0309 0X06 0X030A Float 4 Temperature base value 0X030B 0X06 0X030CUnsigned int 2 0001 kPa Pressure unit 0002 MPa 0003 mmH2O 0004 mH2O 0005 m...

Page 20: ...s reading operation 03H function code If these registers are written 06H 10H function code the abnormal response code 02H will be returned The operation data section only supports writing operations 0...

Page 21: ...Chapter 7 Communication Protocol www supmea com 17 data If the wrong data is written the abnormal response code 04H will be returned and the data in the register will not be changed...

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