Omron V780 Series User Manual page 170

7 Modbus/TCP Communications
Using an Expanded Command (FC100)
With an expanded command, you can execute one multiaccess RF Tag command to get the communi-
cations results from more than one RF Tag with only one command.
Host device
(client)
SET MULTIACCESS DATA READ
Number of RF Tags: 3
Precautions for Correct Use
The normal MULTIACCESS DATA READ and MULTIACCESS ID READ communications com-
mands are designed for applications that read two to five RF Tags at one time. If your applica-
tion requires reading more RF Tags than that, we recommend that you use an expanded
command.
7 - 18
Reader/Writer
communications command sent.
Response returned.
Response returned.
Error code UII (EPC code) Read data
+ RSSI level
Error code UII (EPC code) Read data
+ RSSI level
Error code UII (EPC code) Read data
+ RSSI level
(server)
RF Tag memory
read/written.
Timeout
(TMO)
RF Tag A
communications results
RF Tag B
communications results
RF Tag C
communications results
UHF RFID System V780-series Reader/Writer User's Manual (Z389)
Communications range
RF Tag A
RF Tag B
RF Tag C