Emerson Unidrive M700 User Manual page 155

The individual bit functions are described as follows:
Bit
b0
b2
Speed feedback (SpeedActual)
The speed feedback word utilises 2 bytes (16 bits) as shown below.
b15
b7
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
The PLC or scanner must be configured for 4 input bytes (or 2 input words) if this
assembly object is to be used.
Table 7.15 Extended speed feedback
Data word
Word 0
Word 1
Extended status word
The extended status word consists of 2 bytes (16 bits), with the bits having functions as
shown below.
b15
b7
At
Reference
The DriveState byte returns a code to indicate the operating state of the drive as shown
in Table 7.16 following.
SI-Ethernet User Guide
Issue: 1
Name Description
Indicates whether the drive is OK or tripped
Faulted
(0=OK, 1=Tripped).
Running1 Indicates if the drive is running in the forward direction
(Fwd) (0=False, 1=True).
b14 b13
SpeedActual (high byte)
b6 b5
SpeedActual (low byte)
)
10
Function
Extended status word.
Speed feedback (SpeedActual).
b14 b13
b6 b5
RefFrom CtrlFrom
Net Net
b12 b11
b4 b3
b12 b11
DriveState
b4 b3
Running2 Running1
Ready
(Rev)
b10 b9
b2 b1
b10 b9
b2 b1
Warning Faulted
(Fwd)
b8
b0
b8
b0
155