China Cheap price Water Flow Metre - SUP-DO7013 Electrochemical dissolved oxygen sensor – Sinomeasure
China Cheap price Water Flow Metre - SUP-DO7013 Electrochemical dissolved oxygen sensor – Sinomeasure Detail:
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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 |
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Introduction
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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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