Data Characteristics
Se
ction 11
Section 11
Appendices
275
RFID System
User's Manual
(Modbus TCP)
V680S-HMD6
-EIP and V680S-D2KF6
(Communications speed setting: High speed)
•
Communication Option: Other than FIFO Trigger (With ID code check)
•
Communication Option: FIFO Trigger (With ID code check)
V680S-HMD6
-EIP and V680S-D8KF6
(Communications speed setting: High speed)
•
Communication Option: Other than FIFO Trigger (With ID code check)
•
Communication Option: FIFO Trigger (With ID code check)
Query
Communications time (ms)
N: No. of bytes processed
Read
T= 0.4N + 17.4
Write (with verification)
T= 1.0N + 51.9
Write (without verification)
T= 0.7N + 35.2
Command
Communications time (ms)
N: No. of bytes processed
Read
T= 0.4N + 24.8
Write (with verification)
T= 1.2N + 76.1
Write (without verification)
T= 0.8N + 51.6
Query
Communications time (ms)
N: No. of bytes processed
Read
T= 0.4N + 33.0
Write (with verification)
T= 0.9N + 95.1
Write (without verification)
T= 0.5N + 65.8
Command
Communications time (ms)
N: No. of bytes processed
Read
T= 0.4N + 40.4
Write (with verification)
T= 1.0N + 116.5
Write (without verification)
T= 0.6N + 45.8
0
0
50
100
150
200
250
300
N
o. of
b
ytes (
b
yte)
Comm
u
nications time (ms)
50
100
150
200
250
300
350
600
400
W
rite (
w
ith
v
erification)
W
rite (
w
itho
u
t
v
erification)
Read
450
500
550
0
0
50
100
150
200
250
300
N
o. of
b
ytes (
b
yte)
Comm
u
nications time (ms)
50
100
150
200
250
300
350
600
400
W
rite (
w
ith
v
erification)
W
rite (
w
itho
u
t
v
erification)
Read
450
500
550
0
0
50
100
150
200
250
300
N
o. of
b
ytes (
b
yte)
Comm
u
nications time (ms)
50
100
150
200
250
300
350
600
400
W
rite (
w
ith
v
erification)
W
rite (
w
itho
u
t
v
erification)
Read
450
500
550
0
0
50
100
150
200
250
300
N
o. of
b
ytes (
b
yte)
Comm
u
nications time (ms)
50
100
150
200
250
300
350
600
400
W
rite (
w
ith
v
erification)
W
rite (
w
itho
u
t
v
erification)
Read
450
500
550
