Omron V780 Series, User Manual

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A - 9
Appendices
UHF RFID System V780-series Reader/Writer User’s Manual (Z389)
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F
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ag Co
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For ref
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)
A
 ID READ (Single-access)
During 6-word (96bit) data readout from the UII (EPC) area
V780-HMD68-ETN-IN/V780-HMD68-ETN-IN-S
RF communications speed Communications time
High speed 21 ms
Normal speed 27 ms
Single-access
Single-access
RF communications
speed
Communications time (ms)
N : No. of bytes processed
RF communications
speed
Communications time (ms)
N : No. of Tags
DATA READ
High speed T=0.33N+188
Multi-ID READ
High speed T=20.4N+23.5
Normal speed T=0.69N+25.0 Normal speed T=24.4N+25.2
DATA WRITE
(with verification)
High speed T=11.6N+29.7
Multi-DATA READ
High speed T=30.1N+19.2
Normal speed T=14.8N+31.8 Normal speed T=45.2N+34.7
DATA WRITE
(without verification)
High speed T=11.2N+27.2
Normal speed T=14.0N+28.9
600
500
400
300
200
100
0 100 200 300 400 500 600
0
Normal speed
High speed
Communications time (ms)
Number of words
9000
8000
7000
6000
5000
4000
3000
2000
1000
0
0 100 200 300 400 500 600
Communications time (ms)
Number of words
High-speed
(with write verification)
Normal (with write verification)
High-speed (without write verification)
Normal
(without write verification)
 DATA READ (Single-access)  DATA WRITE (Single-access)
3000
2000
2500
1000
1500
500
0
0 10 20 30 40 50 60 70
Number of RF Tags
Communications time (ms)
High speed
Normal speed
Communications time (ms)
Number of RF Tags
3000
2000
2500
1000
1500
500
0
0 10 20 30 40 50 60 70
Firmware Ver 3.01 or later
Firmware Ver 3.00 or earlier
High speed
Normal speed
6000
4000
5000
2000
3000
1000
0
0 10 20 30 40 50 60 70
Number of RF Tags
Communications time (ms)
High speed
Normal speed
Communications time (ms)
Number of RF Tags
Firmware Ver 3.01 or later
Firmware Ver 3.00 or earlier
6000
4000
5000
2000
3000
1000
0
0 10 20 30 40 50 60 70
High speed
Normal speed
 ID READ (Multi-access)
During 6-word (96bit) data readout from
the UII (EPC) area

DATA READ (Multi-access)
Reading 32 Words of Data from the
User Area