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Section 7 Message Details
RFID System
User's Manual
(Modbus TCP)
Section 7
Host Communications Specifications
GET MULTI-READER/WRITER SETTINGS
This query reads the Multi-Reader/Writer settings.
Query Format
Response Format
Normal Response
Error Response
When the Extension Settings are set to Link Two Slave Reader/Writers (IP Address 1: 192.168.1.201,
IP Address 2: 192.168.1.202) and to Enable Multi-Reader/Writer Settings in Field Extension Mode
TX:000000000006FF03B4000010
RX:000000000024FF032000010002C0A801C9C0A801CA0000000000000000000000000000000000000000
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).
Parameter Description
Byte count This is the number of bytes in the Multi-Reader/Writer settings (20 hex).
Multi-Reader/
Writer settings
Multi-Reader/
Writer Mode
Indicates whether to enable or disable Multi-Reader/Writer settings in 4-digit
hexadecimal.
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
Contains the number of Slave Reader/Writers to link with Reader/Writer extension in 4-
digit hexadecimal.
0000 to 0007 hex
IP address 1 Contain the IP addresses that are set 4-digit hexadecimal.
0000 0000 to FFFF FFFF hex
Example: C0A80101 hex (192.168.1.1)
:
IP address 7
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 number Word count
X X 0000 hex 0006 hex FF hex 03 hex B400 hex 0010 hex
Byte-0 Byte-1 Byte-2 Byte-3 Byte-4 Byte-5 Byte-6 Byte-7 Byte-8 Byte-9 … Byte-40
Transaction
identifier
Protocol
identifier
Field length
Unit
identifier
Function code Byte count
Multi-Reader/Writer
status
X X 0000 hex 0024 hex FF hex 03 hex 20 hex 32 bytes
Byte-9 Byte-10 Byte-11 Byte-12 Byte-13 Byte-14 Byte-15 Byte-16 … Byte-37 Byte-38 Byte-39 Byte-40
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
Transaction
identifier
Protocol identifier Field length
Unit
identifier
Function code
Exception
code
X X 0000 hex 0003 hex FF hex 83 hex 1 byte
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