Allen-Bradley 1747-SN - Tsno Without M0 File Writes; Tsno with M0 File Writes (no Block Transfers

Specifications A–13
Publication 17476.6 - July 1996
T
SNo
without M0 File Writes
Normal Mode
➀
Number of Logical
All Baud Rates
Number of Logical
Racks Configured
T
SNo
if
T
upd
T
hold
T
hold
T
SNo
if T
upd
>T
hold
1 Logical Rack 5.0 5.0 2.5
2 Logical Racks 7.0 7.0 4.0
3 Logical Racks 9.0 9.0 5.5
4 Logical Racks 11.0 11.0 7.0
Complementary Mode
➀➁
Number of Logical
57.6K baud 115.2K baud 230.4K baud
Number of Logical
Racks Configured
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 6.0 5.0 4.0 7.0 7.0 4.0 10.0 9.0 4.0
2 Logical Racks 9.0 8.0 5.0 10.0 10.0 6.0 12.0 12.0 7.0
3 Logical Racks 12.0 11.0 7.0 12.0 12.0 8.0 16.0 16.0 10.0
4 Logical Racks 15.0 14.0 9.0 16.0 16.0 10.0 21.0 22.0 13.0
T
SNo
with M0 File Writes (No Block Transfers)
Normal Mode
➀
Number of Logical
All Baud Rates
Number of Logical
Racks Configured
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 Racks 10.0 8.0 5.5
3 Logical Racks 12.0 10.0 7.0
4 Logical Racks 14.0 12.0 8.0
Complementary Mode
➀➁
Number of Logical
57.6K baud 115.2K baud 230.4K baud
Number of Logical
Racks Configured
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 Racks 12.0 9.0 8.0 14.0 11.0 9.0 17.0 15.0 12.0
3 Logical Racks 15.0 12.0 9.0 16.0 14.0 11.0 21.0 20.0 14.0
4 Logical Racks 18.0 15.0 10.0 20.0 17.0 12.0 26.0 24.0 17.0
➀ All times shown are in milliseconds (ms).
➁ 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.