Rockwell Automation 7763 Medium Voltage OneGear SMC Flex Motor Controller (10-15 kV) - Manual (Page 91)

Rockwell Automation Publication 7760-UM001D-EN-P - October 2014 91
Communications Chapter 7
Default Input/Output
Configuration The default configuration for I/O is 4 bytes in and 4 bytes out (TX = 4 bytes, RX
= 4 bytes). The total size may very when used with a communication card. The
default configuration is arranged according to the following table.
Table 30 - Default Input/Output Configuration
Note: The total size produced or consumed may vary, depending on the
communication card being used. For more information, refer to the User Manual
for the communication card.
Variable Input/Output
Configuration The SMC Flex supports 16 b DataLinks. Therefore, the device can be configured
to return additional information. The I/O message size depends on how many
DataLinks are enabled. The following table summarizes the I/O data sizes.
Table 31 - Variable Input/Output Configuration
To configure DataLinks, refer to Configuring DataLinks on page 95 .
Parameter Produced Data (Status) Consumed Data (Control)
Word 0 Logic Status Logic Command
Word 1 Feedback (1)
(1) The feedback word is always Current in Phase A.
Reference (2)
(2) The reference word is not used with the SMC Flex; however, the space must be reserved.
Rx Size Tx Size Logical Status/Command (16 b) Reference/Feedback (16 b)
Data Links
A B C D
4 4 X X
8 8 X X X
12 12 X X X X
16 16 X X X X X
20 20 X X X X X X