Communication Formats: SynchLink
Unlike other communication formats in the Logix Designer application, SynchLink Comm Formats are composed of a Transmit Comm Format and a Receive Comm Format which, together, make up the overall comm format.
The following table lists the available comm format options.
Comm Format | Axes | Direct Words | Buffered
Words | SynchLink
Cross Reference | Update
Time (ms) | Notes | Input
Comm
Format | Output
Comm
Format |
1 Axis,
3 Direct Words,
14 Buffered Words (1756-SYNCH Only) | 1 | 3 | 14 | 14 | .5 | Axis 0 and 1 selection enabled, Axis 1 disabled. Due to update time, should only be used with a coarse rate of 2 ms or higher.
(Not supported on the Transmit port for this release) | X | X |
2 Axes (1756-SYNCH Only) | 2 | 0 | 0 | 1 | .25 | Axis 0 and 1 selection enabled.
(Not supported on the Transmit port for this release) | X | X |
2 Axes,
3 Direct Words (1756-SYNCH Only) | 2 | 3 | 0 | 13 | .5 | Axis 0 and 1 selection enabled. Due to update time, should only be used with a coarse rate of 2 ms or higher.
(Not supported on the Transmit port for this release) | X | X |
2 Direct Words,
18 Buffered Words | 0 | 2 | 18 | 7 | .25 | Axis selection disabled. | X | X |
4 Direct Words,
18 Buffered Words | 0 | 4 | 18 | 17 | .5 | Axis selection disabled. | X | X |
4 Direct Words,
8 Buffered Words | 0 | 4 | 8 | 9 | .25 | Axis selection disabled. | X | X |
No Receive Data | 0 | 0 | 0 | NA | NA | Indicates that no data is being received. Available only for the Receive port. | X | |
No Transmit Data | 0 | 0 | 0 | NA | NA | Axis selection disabled. Indicates that no data is being transmitted. Available only for the Transmit port. | X | |
Listen Only -
No Transmit Data | 0 | 0 | 0 | NA | NA | Axis selection disabled. Indicates that no data is being transmitted, and that this controller is not the configuration owner. Available for the 1756-SYNCH only, and only for the Transmit port. | X |
Provide Feedback