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Buy Online Ph Sensor – SUP-DO7013 Electrochemical dissolved oxygen sensor – Sinomeasure

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Buy Online Ph Sensor – SUP-DO7013 Electrochemical dissolved oxygen sensor – Sinomeasure Detail:

Specification

Measurement	DO value in water
Measure range	0~20.00mg/l
Resolution	0.01mg/l
Temperature range	-20~60°C
Type of sensor	Galvanic Cell sensor
Measuring accuracy	<0.5mg/l
Output mode	RS485 port*1
Communication protocol	Compatible with standard MODBUS-RTU protocol
Communication mode	RS485 9600,8,1,N (by default)
ID	1~255 Default ID 01 (0×01)
Fixing method	RS485 remote setting calibration and parameters
Power supply mode	12VDC
Power consumption	30mA @12VDC

Introduction

Intelligent module communication protocol Introduction

Communication port: RS485

Port setting: 9600,N,8,1 (by default)

Device address: 0×01 (by default)

Protocol specifications: Modbus RTU

Commands support: 0×03 read register

0X06 write register| 0×10 continuous write register

Information frame format

0×03 read data [HEX]
01	03	×× ××	×× ××	×× ××
Address	Function code	Data head address	Data length	Check code

0×06 write data [HEX]
01	06	×× ××	×× ××	×× ××
Address	Function code	Data address	Write data	Check code

Remarks: The check code is 16CRC with low byte ahead.

0×10 Continuous write data [HEX]
01	10	×× ××	××××
Address	Function code	Data address	Register number
××	×× ××	×× ××
Byte number	Write data	Check code

Format of register data

Address	Data name	Switch coefficient	Status
0	Temperature	0.1°C	R
1	DO	0.01mg/L	R
2	Saturability	0.1%DO	R
3	Sensor. null point	0.1%	R
4	Sensor. slope	0.1mV	R
5	Sensor. MV	0.1%S	R
6	System status. 01	Format 4*4bit 0xFFFF	R
7	System status.02 User command address	Format: 4*4bit 0xFFFF	R/W

Remarks:Data in each address is a 16-bit signed integer, the length is 2 bytes.

The real result=Register data * switch coefficient

Status:R=only read; R/W= read/write

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