Omron V680 - 2, Product Manual, Page: 31 / 44

V680 Series
RFID System
31
Communications Time
Communications Time between Antennas and Tags
1-Kbyte Memory ID Tag
V680-D1KP
@
(used in combination with the V680-HS
@@
Read/Write Antenna and V680-HA63A Amplifier Unit)
V680-D1KP58HT (used in combination with the V680-H01 Read/Write Antenna)
2-Kbyte Memory ID Tag
V680-D2KF @@ (used in combination with the V680-HS @@ Read/Write Antenna and V680-HA63B Amplifier Unit)
8-/32-Kbyte Memory ID Tag
V680-D8KF @@ , V680-D32KF @@ (used in combination with the V680-HS @@ Read/Write Antenna and V680-HA63B Amplifier Unit)
2,500
2,000
1,500
1,000
500
0 200 400 600 800 1,000 1,200
Bytes
Read
Write (verify enabled)
Write
(verify
disabled)
●
Transmission speed: Normal mode
2,000
1,600
1,200
800
400
1,800
1,400
1,000
600
200
0 200 400 600 800 1,000 1,200
Bytes
Read
Write (verify enabled)
Write
(verify
disabled)
●
Transmission speed: High-speed mode
T
ransmission time (ms)
T
ransmission time (ms)
Note 1. The V680-H01 Read/Write Antenna cannot be
used in high-speed mode.
2. When multi-access or FIFO is selected as the
transmission option, the transmission time will
be the same as in normal mode even when the
transmission speed is set to high-speed mode.
Controller or
ID Sensor Unit
transmission
speed setting
Command Write
verification
setting
Transmission
time (ms)
N = Number of
processing
bytes
Normal mode Read --- T = 1.3N + 31
Write Enabled T = 2.1N + 58
Disabled T = 1.8N + 56
High-speed
mode
(See notes 1
and 2.) Read --- T = 1.0N + 29
Write Enabled T = 1.8N + 51
Disabled T = 1.5N + 47
5,000
4,000
3,000
2,000
1,000
4,500
3,500
2,500
1,500
500
4,000
3,000
2,000
1,000
3,500
2,500
1,500
500
0 500 1,000 1,500 2,000 2,500
Read
Read
500 1,000 1,500 2,000 2,500 0
Bytes
Write (verify enabled)
Write (verify disabled)
●
Transmission speed: Normal mode
Bytes
Write (verify enabled)
Write (verify disabled)
●
Transmission speed: High-speed mode
T
ransmission time (ms)
T
ransmission time (ms)
Note: When multi-access or FIFO is selected as the
transmission option, the transmission time will be
the same as in normal mode even when the
transmission speed is set to high-speed mode.
Controller or
ID Sensor Unit
transmission
speed setting
Command Write
verification
setting
Transmission
time (ms)
N = Number of
processing bytes
Normal mode Read --- T = 1.2N + 30
Write Enabled T = 2.4N + 49
Disabled T = 1.2N + 49
High-speed
mode (See
note.) Read --- T = 0.9N + 27
Write Enabled T = 1.7N + 49
Disabled T = 0.9N + 41
3,000
2,000
1,000
3,500
2,500
1,500
500
2,000
1,000
2,500
1,500
500
0 500 1,000 1,500 2,000 2,500 500 1,000 1,500 2,000 2,500 0
Read
Read
Bytes
Write (verify enabled)
Write
(verify
disabled)
●
Transmission speed: Normal mode
Bytes
Write (verify enabled)
Write
(verify
disabled)
●
Transmission speed: High-speed mode
T
ransmission time (ms)
T
ransmission time (ms)
Note: When multi-access or FIFO is selected as the
transmission option, the transmission time will be
the same as in normal mode even when the
transmission speed is set to high-speed mode.
Controller or
ID Sensor Unit
transmission
speed setting
Command Write
verification
setting
Transmission
time (ms)
N = Number of
processing bytes
Normal mode Read --- T = 1.3N + 30
Write Enabled T = 1.6N + 59
Disabled T = 1.3N + 50
High-speed
mode (See
note.) Read --- T = 0.8N + 25
Write Enabled T = 1.1N + 41
Disabled T = 0.9N + 40