Omron V680 Series User Manual page 217

 GET MULTI-READER/WRITER STATUS
This query reads the Multi-Reader/Writer status.

Query Format
Byte-0 Byte-1 Byte-2 Byte-3
Transaction
Protocol identifier
identifier
X X 0000 hex
Parameter
Register number
Word count
 Response Format
Normal Response
Byte-0 Byte-1 Byte-2 Byte-3 Byte-4
Transaction Protocol
identifier identifier
X X 0000 hex
Parameter
Byte count
Multi-Reader/ Master status
Writer status
Slave 1 status
Slave 7 status
Error Response
Byte-0 Byte-1 Byte-2 Byte-3
Transaction
Protocol identifier
identifier
X X 0000 hex
Parameter
Exception code
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
Byte-4 Byte-5 Byte-6
Unit
Field length Function code
identifier
0006 hex FF hex
The register address (CB00 hex) that specifies the Multi-Reader/Writer status.
This is the number of words in the Multi-Reader/Writer status (0008 hex).
Byte-5 Byte-6 Byte-7
Unit
Field length Function code
identifier
0013 hex FF hex 03 hex
This is the number of bytes in the status of the Multi-Reader/Writer (16 hex).
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)
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
Byte-4 Byte-5 Byte-6
Unit
Field length Function code
identifier
0003 hex FF hex
For details, refer to Exception Code Table in this section.
p.167
Host Communications Specifications
Byte-7 Byte-8 Byte-9 Byte-10
Register number Word count
03 hex CB00 hex 0008 hex
Description
Byte-8 Byte-9 ... Byte-24
Multi-Reader/Writer
Byte count
status
10 hex 16 bytes
Byte-9 Byte-10 Byte-11
Master status Slave 1 status
2 bytes
Description
Byte-7 Byte-8
Exception
code
83 hex 1 byte
Description
Section 7
Byte-11
Byte-12 ... Byte-23 Byte-24
Slave 7 status
2 bytes 2 bytes
RFID System
User's Manual
(Modbus TCP)
215