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Section 3
Communications Specifications
TAT and Communication Time (Reference)
TAT and Communications Time (Reference)
„ Communications Time
V680-HA63B, V680-HS@@, V680-D2KF@@
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
Note:When using multi-access or FIFO communications options, normal-mode communications speed will be
used regardless of the high-speed mode setting.
5,000
4,500
4,000
Write (with verification)
3,500
Write
(without verification)
3,000
2,500
2,000
Communications speed: high-speed mode
Communications time (ms)
Communications time (ms)
Communications speed: Normal mode
3,500
3,500
3,000
Write (with verification)
2,500
Write
(without verification)
2,000
1,500
Reading
1,500
Reading
1,000
1,000
500
500
0
500
1,000
1,500
2,000
0
2,500
500
1,000
No. of bytes (byte)
2,000
1,500
2,500
No. of bytes (byte)
V680-HA63B, V680-HS@@, V680-D8KF@@, V680-D32KF@@
Communications
speed setting
Command
Communications time
N: No. of bytes processed
Normal mode
Read
T = 1.3 N + 30
Write (with verification)
T = 1.6 N + 59
Write (without verification)
T = 1.3 N + 50
Read
T = 0.8 N + 25
Write (with verification)
T = 1.1 N + 41
Write (without verification)
T = 0.9 N + 40
High-speed mode
(See note.)
Section 3 TAT and Communication Time (Reference)
Communications
speed setting
Note:When using multi-access or FIFO communications options, normal-mode communications speed will be
used regardless of the high-speed mode setting.
3,500
3,000
Write
(without verification)
Write (with verification)
2,500
2,000
Reading
1,500
Communications speed: high-speed mode
Communications time (ms)
Communications time (ms)
Communications speed: Normal mode
2,500
2,000
Write (with verification)
Write
(without verification)
1,500
1,000
Reading
1,000
500
500
0
500
1,000
1,500
2,000
2,500
No. of bytes (byte)
0
200
400
600
800
1,000
1,200
No. of bytes (byte)
RFID System
User’s Manual
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