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Tsno with m0 file writes (no block transfers) – Rockwell Automation 1747-SN Remote I/O Scanner User Manual

Page 111

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Publication 1747-UM013B-EN-P - January 2005

Specifications A-15

TSNo with M0 File Writes (No Block Transfers)

Normal Mode

(1)

(1) All times shown are in milliseconds (ms).

Number of Logical
Racks Configured

All Baud Rates

T

SNo

if T

upd

≤ T

hold

T

hold

T

SNo

if T

upd

>T

hold

1 Logical Rack

8.0

6.0

4.5

2 Logical Rack

10.0

8.0

5.5

3 Logical Rack

12.0

10.0

7.0

4 Logical Rack

14.0

12.0

8.0

Complementary

(1)

(2)

Number of Logical
Racks Configured

57.6K baud

115.2K baud

230.4K baud

T

SNo

if

T

upd

≤ T

hold

T

hold

T

SNo

if

T

upd

>T

hold

T

SNo

if

T

upd

≤ T

hold

T

hold

T

SNo

if

T

upd

>T

hold

T

SNo

if

T

upd

≤ T

hold

T

hold

T

SNo

if

T

upd

>T

hold

1 Logical Rack

10.0

6.0

6.0

12.0

8.0

8.0

15.0

10.0

9.0

2 Logical Rack

12.0

9.0

8.0

14.0

11.0

9.0

17.0

15.0

12.0

3 Logical Rack

15.0

12.0

9.0

16.0

14.0

11.0

21.0

20.0

14.0

4 Logical Rack

18.0

15.0

10.0

20.0

17.0

12.0

26.0

24.0

17.0

(1) All times shown are in milliseconds (ms).

(2) Although a faster baud rate decreases RIO scan time (T

RIO

), it has an inverse affect on T

SNo

when complementary I/O mode is selected.