RFID System
User’s Manual
SECTION 7
Characteristics According to Operating Conditions
SECTION 7
Appendices
257
Tag Communications Time and Turn Around Time (Reference)
Communications Time
V680-HA63A, V680-HS@@, V680-D1KP@@
V680-H01, V680-D1KP58HT
Note: The high-speed mode cannot be used with the V680-H01 Antenna.
When using multi-access or FIFO communications options, normal-mode communications speed will be
used regardless of the high-speed mode setting.
V680-HA63B, V680-HS@@, V680-D2KF@@
Note: When using multi-access or FIFO communications options, normal-mode communications speed will be
used regardless of the high-speed mode setting.
Communications
speed setting
Command Communications time
N: No. of bytes processed
Normal mode Read T = 1.3 N + 31
Write (with verification) T = 2.1 N + 58
Write (without verification) T = 1.8 N + 56
High-speed mode
(See note.)
Read T = 1.0 N + 29
Write (with verification) T = 1.8 N + 51
Write (without verification) T = 1.5 N + 47
Communications speed: Normal mode Communications speed: high-speed mode
Communications
speed setting
Command Communications time
N: No. of bytes processed
Normal mode Read T = 1.2 N + 30
Write (with verification) T = 2.4 N + 49
Write (without verification) T = 1.2 N + 49
High-speed mode
(See note.)
Read T = 0.9 N + 27
Write (with verification) T = 1.7 N + 49
Write (without verification) T = 0.9 N + 41
Communications speed: Normal mode Communications speed: high-speed mode
2,500
2,000
1,500
1,000
500
0
200 400
600
800 1,000
1,200
No. of bytes (byte)
Write (with verification)
Reading
Write
(without verification)
2,000
1,600
1,200
800
400
0
200 400
600
800 1,000
1,200
No. of bytes (byte)
1,800
1,400
1,000
600
200
Write (with verification)
Reading
Communications time (ms)
Communications time (ms)
Write
(without verification