Communication profiles
48
behaviour is that the reference speed of the drive is set to the
requested value.
This is an example of
Explicit Messaging
where each attribute of a
class is set individually. While this is allowed, it is inefficient.
Instead
Implicit Messaging
using Input and Output Assembly
Instances is recommended.
Implicit Messaging
allows the
DeviceNet Master to set or get predefined groups of attributes in a
single message exchange. Assembly Instances supported by the
RDNA-01 are listed and defined in chapter
Communication
, page
53
.
ODVA output attributes
This section briefly describes the instances found in the ODVA
AC/DC Drive Profiles output assemblies. Not all attributes listed
here will be supported by all output assembly instances.
Run Forward & Run Reverse (Control Supervisor Object)
These attributes are used to assert run and stop commands to
Control Supervisor Object state machine according to the
following table.
Table 2.Run/Stop event matrix
Fault Reset (Control Supervisor Object)
This attribute resets a drive fault on a transition from zero to one if
the condition that caused the fault has been cleared.
RunFwd
RunRev
Trigger event
Run type
0
0
Stop
N/A
0
!
1
0
Run
RunFwd
0
0
!
1
Run
RunRev
0
!
1
0
!
1
No action
N/A
1
1
No action
N/A
0
!
1
1
Run
RunRev
1
0
!
1
Run
RunFwd
Summary of Contents for RDNA-01
Page 1: ...ABB Drives User s Manual DeviceNet Adapter Module RDNA 01 ...
Page 2: ......
Page 4: ......
Page 6: ...Safety instructions 6 ...
Page 10: ...Table of contents 10 ...
Page 14: ...Introduction 14 ...
Page 30: ...Mechanical installation 30 ...
Page 52: ...Communication profiles 52 ...
Page 80: ...Diagnostics 80 ...
Page 84: ...Definitions and abbreviations 84 ...
Page 87: ......