v600-d2kr16 Omron Corporation, v600-d2kr16 Datasheet - Page 21

• Manufacturer Part Number: v600-d2kr16
• Description: Electromagnetic Coupling Rfid System
• Manufacturer: Omron Corporation

■ Communications Time
• The communications time does not depend on the model of R/W
• The turn around time (TAT) is the total time required from the issu-
Lower-level Communications Time with
Built-in-battery Data Carriers (Reference)
Calculation (Reference)
N is the number of processing bytes.
V600-D8KF04 (Battery-less)
Calculation (Reference)
N is the number of processing bytes.
READ
WRITE
READ
WRITE
Head or Data Carrier, although communications times differ
between Data Carriers with and without batteries.
ance of a command from the host device (for example, a host com-
puter) until the reception of a response.
RDH1……………*
1,000
1,000
800
600
400
200
800
600
400
200
0
0
1
1
Command
(Auto) Write
(Auto)Write
50
50
100
100
t = 1.8 N + 48.4
t = 4.2 N + 86.5
t = 1.8 N + 168.4
t = 4.2 N + 206.5
Lower-level communications time
Lower-level communications time
150
150
(Auto) Read
(Auto)Read
Lower-level communications time
TAT (Turn Around Time)
200
200
Number of bytes
Number of bytes
(ms)
(ms)
250
250
300
300
RD001122……………*
Response
Electromagnetic Coupling RFID System
• The lower-level communications time does not include the host
Lower-level Communications Time with
Battery-less Data Carriers (Reference)
(Battery-less Models Excluding V600-
D8KF04)
Calculation (Reference)
N is the number of processing bytes.
Distance
priority mode
Time priority
mode
communications; it is the time required for communications
between the R/W Head and Data Carrier. The lower-level commu-
nications time is used in the equation for the DC speed.
2,500
2,000
1,500
1,000
DC Speed = (Distance travelled in the transmission range)/
(Lower-level communications time)
500
0
50
(Auto) Write
Transmission distance priority mode
Transmission time priority mode
100
READ
WRITE
READ
WRITE
R/W
150
(Auto) Read
200
Number of bytes
t = 4.3 N + 64.6
t = 8.7 N + 167.1
t = 1.8 N + 79.0
t = 7.1 N + 180.4
Lower-level communications
250
300
V600
time (ms)
21