User Manual
Table Of Contents
- V670 Series
- Introduction
- Contents
- Structure of This Manual
- Chapter 1 Features and System Configuration
- Chapter 2 Specifications and Performance
- Chapter 3 Setting and Installation
- Chapter 4 Functions
- Chapter 5 Control From Host Device
- Chapter 6 How to Use Self-Execution Mode
- Chapter 7 How to Use Programming Console
- Chapter 8 From Startup to Run
- Chapter 9 Characteristic Data Depending on Operating Condition (Reference)
- Appendix
2-5 Communication Range Specifications
2-12
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 (with verification)
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
Command
Response
Communication time
Number of processed bytes (Bytes)
Communication time (ms)
•
Write
Number of processed bytes (Bytes)
Communication time (ms)
Number of processed bytes (Bytes)
Communication time (ms)
N: Number of bytes to be processed