Section 7 Message Details
Section 7
Host Communications Specifications
215
RFID System
User's Manual
(Modbus TCP)
GET MULTI-READER/WRITER STATUS
This query reads the Multi-Reader/Writer status.
Query Format
Response Format
Normal Response
Error Response
Reading the Multi-Reader/Writer Status When the Master Reader/Writer Is Ready for Field Extension
Mode and Slave Reader/Writer 1 Was Successfully Connected
TX:000000000006FF03CB000008
RX:000000000013FF031010010001000000000000000000000000
Parameter Description
Register number The register address (CB00 hex) that specifies the Multi-Reader/Writer status.
Word count This is the number of words in the Multi-Reader/Writer status (0008 hex).
Parameter Description
Byte count This is the number of bytes in the status of the Multi-Reader/Writer (16 hex).
Multi-Reader/
Writer status
Master status Contains the status of the Master Reader/Writer in 4-digit hexadecimal.
0000 hex: Disable (default setting)
1000 hex: Preparing for Field Extension Mode (Detecting Groups)
1001 hex: Ready for Field Extension Mode (Group Detection Completed)
2000 hex: Preparing for High-speed Traveling Mode (Detecting Groups)
2000 hex: Ready for High-speed Traveling Mode (Group Detection Completed)
Slave 1 status Contains the connection status of the Slave Reader/Writers in 4-digit hexadecimal.
0000 hex: Not registered
0001 hex: Connection successful
0002 hex: Connection failed
:
Slave 7 status
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 CB00 hex 0008 hex
Byte-0 Byte-1 Byte-2 Byte-3 Byte-4 Byte-5 Byte-6 Byte-7 Byte-8 Byte-9 … Byte-24
Transaction
identifier
Protocol
identifier
Field length
Unit
identifier
Function code Byte count
Multi-Reader/Writer
status
X X 0000 hex 0013 hex FF
hex
03
hex
10
hex
16 bytes
Byte-9 Byte-10 Byte-11 Byte-12 … Byte-23 Byte-24
Master status Slave 1 status Slave 7 status
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 byte