Emerson Unidrive M700 User Manual page 157

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.
7.5.15 Basic speed and torque feedback
Input assembly object 0x48 (72
The PLC or scanner must be configured for 6 input bytes (or 3 input words) if this
assembly object is to be used.
Table 7.17 Basic speed and torque feedback
Data word
Word 0
Word 1
Word 2
Basic status word
The basic status word consists of 2 bytes (16 bits), with only the low byte used as shown
below.
b15
b7
The individual bit functions are described as follows:
Bit
b0
b2
SI-Ethernet User Guide
Issue: 1
b14 b13
SpeedActual (high byte)
b6 b5
SpeedActual (low byte)
)
10
Function
Basic status word.
Speed feedback (SpeedActual).
Torque feedback (TorqueActual).
b14 b13
b6 b5
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).
b12 b11
b4 b3
b12 b11
b4 b3
Running1
(Fwd)
b10 b9
b2 b1
b10 b9
b2 b1
Faulted
b8
b0
b8
b0
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