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8 ftp file transfer time, Ftp file transfer time – Omron CS CJ1W-ETN21 User Manual

Page 109

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85

FTP File Transfer Time

Section 4-8

4-8

FTP File Transfer Time

File transfers using FTP can require 30 or 40 minutes depending on the
capacity of the file. Approximate file transfer time are provided in the following
table for reference.

All times are in seconds unless otherwise specified.

CS1 CPU Units/CJ1 CPU Units

CS1-H CPU Units/CJ1-H CPU Units

Note

1.

The above times assume that the Fixed Peripheral Servicing Time in the
PLC Setup is set to the default value of 4%.

2.

If the Fixed Peripheral Servicing Time in the PLC Setup is increased, FTP
files will be transferred faster.

File system

Memory Card

EM File Memory

CPU Unit status

Operating mode PROGRAM

RUN

PROGRAM

RUN

Cycle time

---

20 ms

---

20 ms

Transfers using
put

1 KB

0.7 s

6.0 s

0.4 s

2.9 s

30 KB

4.5 s

38.3 s

2.5 s

21.5 s

60 KB

7.4 s

72.1 s

5.0 s

44.7 s

120 KB

14.4 s

141.4 s

11.0 s

120.8 s

Transfers using
get

1 KB

0.3 s

1.4 s

0.2 s

0.8 s

30 KB

2.8 s

19.3 s

1.9 s

11.4 s

60 KB

4.9 s

37.6 s

3.8 s

26.7 s

120 KB

9.6 s

75.7 s

8.6 s

68.2 s

File system

Memory Card

EM File Memory

CPU Unit status

Operating mode

PROGRAM

RUN

PROGRAM

RUN

Cycle time

---

20 ms

---

20 ms

Transfers using
put

1 KB

0.3 s

1.9 s

0.2 s

1.0 s

30 KB

1.5 s

11.5 s

0.8 s

6.5 s

60 KB

2.6 s

21.4 s

1.5 s

12.8 s

120 KB

4.9 s

41.2 s

3.2 s

27.4 s

Transfers using
get

1 KB

0.2 s

0.6 s

0.2 s

0.4 s

30 KB

1.3 s

6.5 s

1.1 s

3.8 s

60 KB

2.5 s

12.6 s

1.9 s

7.6 s

120 KB

4.9 s

24.9 s

4.2 s

20.4 s