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Section 7 Message Details
RFID System
User's Manual
(Modbus TCP)
Section 7
Host Communications Specifications
SET MULTI-READER/WRITER SETTINGS
This query sets the Multi-Reader/Writer settings.
Query Format
Response Format
Normal Response
Error Response
Parameter Description
Register address This is the register address that is specified in the Multi-Reader/Writer settings (B400
hex).
Word count This is the number of words in the Multi-Reader/Writer settings (0010 hex).
Byte count This is the number of bytes in the Multi-Reader/Writer settings (20 hex).
Multi-Reader/
Writer settings
Multi-Reader/
Writer Mode
Specify in 4-digit hexadecimal whether to enable or disable Multi-Reader/Writer settings.
0000 hex: Disable (default setting)
0001 hex: Enable for Field Extension Mode
0002 hex: Enable for High-speed Traveling Mode
Number of Slave
Reader/Writers
Specify in 4-digit hexadecimal the number of Slave Reader/Writers to link with Reader/
Writer extension.
Setting range: 0000 to 0007 hex
IP address 1 Specify in 8-digit hexadecimal the IP addresses to set.
Setting range: 0000 0000 to FFFF FFFF hex
Example: C0A801C8 hex (192.168.1.200)
:
IP address 7
Parameter Description
Register address The register address from the query is set.
Word count The word count from the query is set.
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 Byte-12 Byte-13 … Byte-44
Transaction
identifier
Protocol
identifier
Field length
Unit
identifier
Function code
Register
address
Word count Byte count
Multi-Reader/Writer
settings
X X 0000 hex 0027 hex FF
hex
10
hex
B400 hex 0010 hex 20 hex 32 bytes
Byte-13 Byte-14 Byte-15 Byte-16 Byte-17 Byte-18 Byte-19 Byte-20 … Byte-41 Byte-42 Byte-43 Byte-44
Multi-Reader/
Writer Mode
Number of Slave
Reader/Writers
IP address 1 IP address 7
2 bytes 2 bytes 4 bytes 4 bytes
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
10
hex
B400 hex 0010 hex
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 90 hex 1 byte
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