196
SECTIO
N
8
Sample Pro
g
ramming
RFID System
User's Manual
SECTION 8
Appendices
Write, Communications Specification: Trigger, Data Transfer:
Intelligent I/O Instructions
Outline
This example shows how to write data to the memory of an RF Tag that is present in the interrogation
zone for Antenna 1.
Unit Settings Example
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
Write
Set in the Special I/O Unit Area.
Communications specification
Trigger
Write data storage order
Rightmost
→
Leftmost
Write Start address
0020 hex
Number of bytes to write
512 bytes
Set in IOWR instruction.
Write data storage destination D20920 to D21431
0 1
0 2
0 3
0 4
0 5
0 6
0 7
0
8
D20920
02 01
D20921
04 03
D20922
06 05
D20923
0
8
07
Antenna 1
RF Tag
W
hen the Command
Exec
u
tion Bit is t
u
rned O
N
,
the Unit
w
ill
w
rite data to the
memory of an RF Tag in the
interrogation zone.
Interrogation zone
RF Tag
Address
(hex)
7 0
0020
0021
0022
0023
0024
0025
0026
0027
CS-series CPU Unit memory
15 00
→
:
W
rite data storage order
W
rite command
exec
u
ted
Bit
Bit
Bit
Bit
Summary of Contents for CJ1W-V680C11
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