Omron CJ1W-V680C11, Руководство пользователя

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164
SECTIO
N
8
Sample Pro
g
ramming
RFID System
User's Manual
SECTION 8
Appendices
Read, Communications Specification: Trigger, Data Transfer:
Intelligent I/O Instructions
• Outline
This example shows how to read the memory of an RF Tag that is present in the interrogation zone for
Antenna 1.
Unit Settings
Item Setting Setting location
Unit number 00 Unit's front panel unit number switches: 00
Operating mode Run Mode Unit's front panel test switch: OFF
System Settings UID Addition Setting: Disabled
Test Mode Disable Setting: Enabled
Setting for Write Verification: Verification
RF Tag Communications Speed Setting:
Normal Mode
Data Transfer Setting: Intelligent I/O
Instructions Set in the Special I/O Unit words in DM Area.
Auto Wait Time Setting Infinite
Command Read Set in the Special I/O Unit Area.
Communications specification Trigger
Read data storage order Leftmost
→
Rightmost
Read start address 0020 hex
Number of bytes to read 512 bytes Set in IORD instruction.
Read data storage destination D20920 to D21431
0 1
0 2
0 3
0 4
0 5
0 6
0 7
0 8
0 9
0 A
D1000
×× ××
×× ××
×× ××
×× ××
01 02
03 04
05 06
09 0A
D1001
D1002
D1003
D1004
D1005
D1006
D1007
D100 8
07 0 8
Antenna 1
RF Tag
RF Tag
→
: Read data storage order
UID
Read data
W hen the Command
Exec u tion Bit is t u rned O N ,
the Unit w ill read the memory
of an RF Tag in the
interrogation zone.
Interrogation zone
CS-series CPU Unit memory
Address
(hex)
0010
0011
0012
0013
0014
0015
0016
0017
001
8
0019
Bit 7 Bit 0
Bit 00 Bit 15
Read command
exec
u ted