
Publication 1394-IN024B-EN-P — February 2004
1-14 Commissioning Your 1394 SERCOS Interface System
5. Select Data Rate, Cycle Time, and Optical Power settings.
• Ensure the Data Rate setting matches DIP switches 2 and 3
(baud rate) as set on the system module, or use the Auto
Detect setting.
• Set the Cycle Time according to the table below.
• Ensure the Optical Power setting (high or low) matches DIP
switch 1 as set on the system module.
6. Select Finish. Your new module appears under the I/O
Configuration folder in the explorer window.
7. Repeat steps 1-6 for each Logix module.
Logix SERCOS
Module
1394 SERCOS interface
System Module Series
Data
Rate
Mbit/s
SERCOS Ring
Cycle Time
ms
Number
of Axes
1756-M08SE
(Series A)
C or D 4
0.5 N/A
1.0 up to 4
2.0 up to 8
1756-M08SE
(Series B)
D only 8
0.5 N/A
1.0
up to 8
2.0
1756-M16SE or
1784-PM16SE
C or D 4
0.5 N/A
1.0 up to 4
2.0 up to 8
D only 8
0.5 N/A
1.0 up to 8
2.0 up to 16
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