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The second method of transfer is called non-cyclic data and is used for sending values
that only need to be changed occasionally or where the source or destination of the
signal changes. This is the equivalent of a temporary patch lead that is removed after
use.
2.2
What is SM-PROFIBUS DP-V1?
The SM-PROFIBUS DP-V1 is a fieldbus Solutions Module that can be fitted to the
expansion slot(s) in any of the following drives to provide PROFIBUS DP-V1 slave
connectivity:
•
Unidrive SP
•
Digidrive SK
•
Affinity
•
Digitax ST
•
Mentor MP
With the exception of the Digidrive SK drive, it is possible to use more than one SM-
PROFIBUS DP-V1 or a combination of SM-PROFIBUS DP-V1 and other Solution
Modules to add additional functionality such as extended I/O, gateway functionality, or
additional PLC features.
Figure 2-3 SM-PROFIBUS DP-V1
2.3
General specification
2.3.1
Features
The following section gives a brief overview of the functionality available within SM-
PROFIBUS DP-V1.
•
Supported data rates (bit/s): 12M, 6.0M, 3.0M, 1.5M, 500k, 187.5k, 93.75k,
45.45k, 19.2k, 9.6k.
•
Maximum of 32 input and 32 output cyclic data words supported
•
PROFIdrive profiles (V2 and V4) supported
•
Non-cyclic data channel supported
•
Parallel acyclic/cyclic data communication
The SM-PROFIBUS DP-V1 is powered from the host drive's internal power supply.
10
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SM-PROFIBUS DP-V1 User Guide
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