2-5 Communication Range Specifications
2-17
2-5-2 Operation Time (Reference)
There are TAT (Turn Around Time) and communication time in the operation time.
TAT means the total processing time required to operate V670 from the viewpoint of a host device. The communication time means a
time required for the communication between an antenna and tag, excluding host communication.
♦
Communication time
Time required for the communication between an antenna and ID tag. The time varies depending on data amount to be read and written.
The communication time can be calculated from the charts and formulas below.
•
Read
•
Write
•
Write (with verification)
Command
Response
Communication time
Number of processed bytes (Byte)
Communication t
ime (
m
s)
Number of processed bytes (Byte)
Co
mmunication time (ms)
Number of processed bytes (Byte)
Communicat
ion time (
m
s)
Command
Bytes
Communication
time (ms)
Read
1 to 64 bytes
65 to 128 bytes
0.07 x N + 4.22
0.07 x N + 5.64
ID Read
4 bytes
1.59
Write
1 to 128 bytes
0.07 x N + 4.72
Write
(with verification)
1 to 64 bytes
65 to 128 bytes
0.14 x N + 6.45
0.14 x N + 7.79
N: Number of bytes to be processed
Summary of Contents for V670-H11
Page 16: ...1 4...
Page 38: ...2 22...
Page 58: ...3 20...
Page 70: ...4 12...
Page 100: ...6 4...
Page 102: ...7 2 Unit mm 7 2 Outside Dimension...
Page 120: ...7 20...