Omron CJ1W-V680C11, User Manual

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142
SECTIO
N
6
Communica
tions
T
ime
RFID System
User's Manual
SECTION 6
Controlling the ID Sensor Unit
V680-HA63B, V680-HS @@ , V680-D8KF @@ , and V680-D32KF @@
Note: When using a multi-access or FIFO communications specification, the Normal Mode
communications speed will be used even if the High-speed Mode is set.
V680-HA63B, V680-HS @@ , V680S-D8KF @@
Note: When using V680S-D8KF @@ RF Tags, the Normal Mode communications speed will be used
even if the High-speed Mode is set.
RF Tag communications
speed Command Communications time
N: Number of processed bytes
Normal Mode Read T = 1.3N + 30
Write with verification T = 1.6N + 59
Write with no verification T = 1.3N + 50
High-speed Mode (See
note.) Read T = 0.8N + 25
Write with verification T = 1.1N + 41
Write with no verification T = 0.9N + 40
RF Tag communications
speed Command Communications time
N: Number of processed bytes
Normal Mode Read T = 0.6N + 58
Write with verification T = 1.2N + 137
Write with no verification T = 0.6N + 91
High-speed Mode (See
note.) Read T = 0.6N + 58
Write with verification T = 1.2N + 137
Write with no verification T = 0.6N + 91
Communications speed: Normal Mode Communications speed: High-speed Mode
0
500 1,000 1,500 2,000 2,500
2,000
1,500
1,000
500
3,500
3,000
2,500
0
500 1,000 1,500 2,000 2,500
2,000
1,500
1,000
500
3,500
3,000
2,500
No. of bytes processed
Comm
unications time (ms)
Write with no verification
Read
Write with verification
Read
No. of bytes processed
Comm
unications time (ms)
Write with verification
Write with no
verification
Comm u nications speed: N ormal Mode Comm u nications speed: High-speed Mode
N o. of b ytes processed
Comm
u
nications time (ms)
N o. of b ytes processed
Comm
u
nications time (ms)
0 500 1,000
1,500
2,000
2,500
2,500
1,500
500
3,000
2,000
1,000
0 500 1,000
1,500
2,000
2,500
2,500
1,500
500
3,000
2,000
1,000
W rite w ith v erification
W rite w ith no v erification
Read
W rite w ith v erification
W rite w ith no v erification
Read