SI-Ethernet User Guide 155
Issue: 1
Safety
information
Introduction
Mechanical
installation
Electrical
installation
Getting started Parameters
Key features
and Protocols
PC Applications Security Diagnostics
Glossary of
terms
Index
The individual bit functions are described as follows:
Speed feedback (SpeedActual)
The speed feedback word utilises 2 bytes (16 bits) as shown below.
For more information on the speed feedback see section 7.31 AC/DC Drive object
attributes on page 174.
7.5.14 Extended speed feedback
Input assembly object 0x47 (71
10
)
The PLC or scanner must be configured for 4 input bytes (or 2 input words) if this
assembly object is to be used.
Extended status word
The extended status word consists of 2 bytes (16 bits), with the bits having functions as
shown below.
The DriveState byte returns a code to indicate the operating state of the drive as shown
in Table 7.16 following.
Bit Name Description
b0 Faulted
Indicates whether the drive is OK or tripped
(0=OK, 1=Tripped).
b2
Running1
(Fwd)
Indicates if the drive is running in the forward direction
(0=False, 1=True).
b15b14b13b12b11b10 b9 b8
SpeedActual (high byte)
b7 b6 b5 b4 b3 b2 b1 b0
SpeedActual (low byte)
Table 7.15 Extended speed feedback
Data word Function
Word 0 Extended status word.
Word 1 Speed feedback (SpeedActual).
b15b14b13b12b11b10 b9 b8
DriveState
b7 b6 b5 b4 b3 b2 b1 b0
At
Reference
RefFrom
Net
CtrlFrom
Net
Ready
Running2
(Rev)
Running1
(Fwd)
Warning Faulted
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