Nidec Unidrive M700 - Extended Speed Feedback

170 SI-Ethernet User Guide
Issue: 3
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.
Table 7-15 Extended speed feedback
Data word Function
Word 0 Extended status word.
Word 1 Speed feedback (SpeedActual).
b15 b14 b13 b12 b11 b10 b9 b8
DriveState
b7 b6 b5 b4 b3 b2 b1 b0
At
Reference
RefFrom
Net
CtrlFrom
Net
Ready
Running2
(Rev)
Running1
(Fwd)
Warning Faulted
Table 7-16 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.