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The format of the input assembly is:
Instance 70 (Input assembly)
Byte Bit 7 Bit 6 Bit 5 Bit 4 Bit 3
0
1
2
Speed Actual Value (Low Byte) *
3
Speed Actual Value (High Byte) *
* Scaling of Speed Actual Value is configured by Speed Scale attribute in
AC/DC-Drive Object (class 0x2A, instance 0x01, attribute 0x16), and it
defaults to 1 rpm.
Note: If the BASIC SPEED CONTROL or the EXTENDED SPEED
CONTROL assembly is used, it must be ensured that the fieldbus
is selected as the drive control source and fieldbus specific
(Generic Drive profile) Control/Status Word format is selected
instead of ABB Drives profile.
EXTENDED SPEED CONTROL assembly
The EXTENDED SPEED CONTROL assembly is defined by the
ControlNet AC/DC Drive Profile. The format of the output
assembly is:
Instance 21 (Output assembly)
Byte Bit 7 Bit 6
0
NetRef NetCtrl
1
2
Speed Reference (Low Byte) *
3
Speed Reference (High Byte) *
* See
BASIC SPEED CONTROL assembly
reference scaling.
Bit 5
Bit 4 Bit 3 Bit 2
Bit 2
Bit 1
Running 1
Bit 1
Fault
Run
Reset
Reverse
for information on speed
Communication
35
Bit 0
Faulted
Bit 0
Run
Forward
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