When Secs Is Used - Omron V640 User Manual

SECTION 3
Preparing for Communications
ID Tag ↔ CIDRW System Communications Test
Send a command from the host device and check that normal communication with the ID Tag is possi-
ble.

■ When SECS is Used

• Read ID
The host device sends a Read ID Request message to the CIDRW Controller for Head 1. The CIDRW
Head 1 reads the ID, and the CIDRW Controller returns the ID to the host device.
• Read Data
The host device sends a Read Data Request message to the CIDRW Controller for Head 1, DataSeg
S01 and Datalength 8. The CIDRW Head 1 reads the data, and the CIDRW Controller returns the data
to the host device.
CIDRW System
62
User's Manual
CIDRW Controller
CIDRW Controller
Host
S18, F9 Read ID Request
Target ID="00"
S18, F10 Read ID Data
MID="XYZ00001"
Host
S18, F5 Read Request
Target ID="01"
Dataseg="S01"
Datalength="8"
S18,F6 Read Data
Data="yyyyyyyy"