FR-A5ND
DeviceNet
Communications Option Unit
17
4.4.3
VFD Reset
VFD can be reset via DeviceNet using Identity Object reset service. Note that
this reset service also performs a parameter clear, the type of which depends
on the type of the Identity Object reset service. See Sections 6.1.4, 6.6.3 &
6.7.3 for relevant implementations.
4.4.4 Parameter Writing
For parameter writing, all standard parameters are supported. In addition, the
parameters listed in the Option-specific Parameter section of this specifica-
tion are supported.
4.5
Output from VFD to DeviceNet
4.5.1
VFD Status
VFD status can be monitored using class 0x2A, attribute 114, the A500(L)
INV Status. This is a bitmapped status byte defined as follows:
4.5.2
VFD Monitoring
The following items can be monitored:
· output frequency
· output current
· output voltage
· frequency setting
Bit
Definition
0
Running
(RUN)
1
Forward running
(FWD)
2
Reverse running
(REV)
3
Up to frequency
(SU)
4
Overload
(OL)
5
Instantaneous power failure
(IPF)
6
Frequency detection
(FU)
7
Alarm
(ABC)
