GLX-RSS-2-300 WL User Manual
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GLX-RSS-2-300 WL Non-Contact Flow Meter
Table 3. Master Request Format
Name
Address Fun
Data Start
Address
Register Count
CRC16
Length
1 byte
1 byte
2 bytes (H,L)
2 bytes (H,L)
2 bytes (L,H)
Example
0X01
0X03
0X00
0X00
0X00
0X01
0X84
0X0A
Table 4. Request Example
Name
Content
Detail
Address
0X01
Slave address (Sensor id)
Function
0X03
Read slave info
Data Start Address 0X00
The address of the first register to read (HIGH)
0X00
The address of the first register to read (LOW) – Sensor ID registers
Number of Regs
0X00
High
0X01
Low (read only 1 register)
CRC16
0X84
CRC Low
0X0A
CRC High
Table 5. Slave (Sensor) Response Format
Name
Address Fun
Byte Count
Data
CRC16
Length
1 byte
1 byte
1 byte
2 bytes(H,L)
2 bytes(L,H)
Example
0X01
0X03
0X02
0X00
0X01
0X79
0X84
Table 6. Response Example
Name
Content
Detail
Address
0X01
Slave address (Sensor id)
Function
0X03
Read slave info
Data Length
0X02
Data length is 2 bytes
Data
0X00
Data high byte
0X01
Data low byte, means ID is 1
CRC16
0X79
CRC Low
0X84
CRC High
Table 7 defines the data returned by the unit when the master requests that the register is read. Table
8 defines how to write device configuration. Rows highlighted in blue denote the important values
measured by the sensor. Rows highlighted in green denote operating parameters that can be changed
in the field.