Appendix A – Varying the number of drive parameters 163
Appendix A – Varying the
number of drive parameters
What this chapter contains
This chapter describes how to reduce the number of drive
parameter members in FDNA-01 assemblies by modifying the
EDS file.
Modification of the EDS file
Assembly object instances can either be dynamic or static. The
FDNA-01 adapter module only supports static assembly objects.
For each supported assembly, the member list (and implicitly, the
length in bytes) has been fixed either by the ODVA AC/DC drive
profile or ABB Drives profile.
The FDNA-01 assemblies that include “plus drive parameters”
have ten members each reserved for the output or input of drive
parameters. In some cases, it may be desirable for these
assemblies to have fewer drive parameter members. The adapter
module provides the flexibility to accomplish this.
However, this behavior is non-standard and usually requires
additional configuration of the DeviceNet master as well. In
particular, the length in bytes of the assembly must be changed to
match the drive configuration. This can usually be accomplished
by editing the EDS file for the drive or via manual configuration of
the DeviceNet master. A description of how to change the EDS file
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