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Section 7 Message Details
RFID System
User's Manual
(Modbus TCP)
Section 7
Host Communications Specifications
Checking Reader/Writer Information
MEASURE NOISE
Measures the noise level around the Reader/Writer.
Query Format
Response Format
Normal Response
Error Response
Execution Example
Measuring the Noise When the Average Is 51, the Maximum Is 62, and the Minimum Is 43
TX:000000000006FF03D2000003
RX:000000000009FF03060033003E002B
Parameter Description
Register address The register address for noise measurement (D200 hex)
Word count The number of words in the noise information to read (0003 hex)
Parameter Description
Byte count The number of bytes in the Reader/Writer operating status that was read (04 hex)
Noise information Average Contains the average noise that was read in 4-digits hexadecimal.
0000 to 0063 hex (0 to 99)
Maximum Contains the maximum noise that was read in 4-digits hexadecimal.
0000 to 0063 hex (0 to 99)
Minimum Contains the minimum noise that was read in 4-digits hexadecimal.
0000 to 0063 hex (0 to 99)
Parameter Description
Exception code For details, refer to Exception Code Table in this section.
p.167
Byte 0 Byte 1 Byte 2 Byte 3 Byte 4 Byte 5 Byte 6 Byte 7 Byte 8 Byte 9 Byte 10 Byte 11
Transaction
identifier
Protocol identifier Field length
Unit
identifier
Function
code
Register address Word count
X X 0000 hex 0006 hex FF hex 03 hex D200 hex 0003 hex
Byte 0 Byte 1 Byte 2 Byte 3 Byte 4 Byte 5 Byte 6 Byte 7 Byte 8 Byte 9
··· Byte 14
Transaction
identifier
Protocol
identifier
Field length
Unit
identifier
Function code
Byte count Noise information
XX
0000 hex 0009 hex
FF hex 03 hex 06 hex 6 byte
Byte 9 Byte 10 Byte 11 Byte 12 Byte 13 Byte 14
Average Maximum Minimum
2 bytes 2 bytes 2 bytes
Byte 0 Byte 1 Byte 2 Byte 3 Byte 4 Byte 5 Byte 6 Byte 7 Byte 8
Transaction
identifier
Protocol identifier Field length
Unit
identifier
Function
code
Exception
code
X X 0000 hex 0003 hex FF hex 83 hex 1 bytes
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