l-com SRWQ100-YL105-9001 User Manual page 5

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During Immersion Installation
During installation procedure, there will be frequent dirt on electrode, clean it regularly.
Measuring value is not stable.
Different insertion depths affects the measured value.
The position of the electrode must be above the sediment.
Electrode Communication
Default Communication Instructions:
Data starting at 0x represents hexadecimal.
The check code is 16CRC, the low byte is in the front and the high byte is in the back.
Floating point number occupy four bytes.
Communication Description (Factory Default):
Baud Rate
Data Bit
Stop Bit
Check Bit
Address
Host Computer Transmission Format:
Data Type
Integer
16-Bit
Integer
Floating
(CDAB)
Point
3412
Number
Function 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.
03
06
16
Description
The high-low bytes of word
component are not reversed
The high-low word of the
double-byte component is
reversed, but the high-low
byte of the word is not
reversed.
Read single or multiple registers
Write single register
Write multiple registers
9600 (Default)
8
1
No
1 (Default)
Remarks
Ex: O x 0032 to decimal
number is 50
Example: 72 37 41 DB transfer to
floating point number.
CDAB change order is ABCD.
Eg: 41 DB 72 37 transfer to floating
point is 27.4
5

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