174
SI-Ethernet User Guide
Issue: 3
The individual bits of the low byte of the extended status word are described in Table 7-
20
Extended status word (low byte)
Speed feedback (
SpeedActual
)
The speed feedback word utilises 2 bytes (16 bits) as shown below.
Table 7-19 DriveState codes
Code
b15 - b8
State
Description
1
00000001
Startup
This state is skipped over on CT drives.
2
00000010
Not_Ready
Inhibit.
3
00000011
Ready
Ready.
4
00000100
Enabled
Run or Stop.
5
00000101
Stopping
Deceleration or Injection.
6
00000110
Fault_Stop
AC_UU (this will only occur if Mains Loss is enabled).
7
00000111
Faulted
Tripped.
0
00000000
Vendor Specific
All other DriveType states, e.g. Scan, Orienting, Regen
Active, etc.
Table 7-20 Extended status word (low byte)
Name
Bit
Description
Faulted
b0
Indicates whether the drive is OK or tripped.
0=OK (Pr
0.10.001
=1).
1=Tripped (Pr
0.10.001
=0).
Warning
b1
Indicates if one of the drive alarms is active.
Running1
(Fwd)
b2
Indicates if the drive is running in the forward direction.
0=False, 1=True.
Running2
(Rev)
b3
Indicates if the drive is running in the reverse direction.
0=False, 1=True.
Ready
b4
The ‘Ready’ bit is set depending on which state the drive is in.
Ready = True.
Enabled = True.
Stopping = True.
All others = False.
CtrlFromNet
b5
Indicates if the drive is being controlled from the ‘Drive Control Word’.
0=False, 1=True.
RefFromNet
b6
Indicates if the speed reference is derived from Pr
0.01.021.
0=False (Pr
0.01.050
<>1 OR Pr
0.01.049
<>3).
1=True (Pr
0.01.050
=1 AND Pr
0.01.049
=3).
AtReference
b7
Indicates if the drive speed has reached the set reference.
0=False (Pr
0.10.006
=0).
1=True (Pr
0.10.006
=1).
b15
b14
b13
b12
b11
b10
b9
b8
SpeedActuall(high byte)
b7
b6
b5
b4
b3
b2
b1
b0
SpeedActual (low byte)
Содержание Unidrive M600
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