Address
Name / setting range / [default setting]
Info
0x606C
Velocity actual value
•
Read only: rpm
Display of the actual velocity.
0x6077
Torque actual value
•
Read only: x.x %
Display of the current torque.
•
100 % ≡ Rated Motor Torque.
0x60F4
Following error actual value
•
Read only: x pos. unit
Display of the current following error.
9.5
Monitoring the position error
Position error monitoring can be used for the following control modes:
•
Servo control for synchronous motor (SM),
= [1]
•
Servo control for asynchronous motor (ASM),
Following error monitoring is effective in an operating mode with position controller. The sys-
tem deviation (i. e. the following error) is compared to the following error tolerance set at the
input of the position controller (see red arrow in the figure below).
I
q
I
d
M
Interpolation
Target position
Velocity offset
Torque offset
Position
controller
Speed ctrl.: Load I component
Position actual value
Positive torque limit value
Negative torque limit value
Speed
limitation
Speed
controller
Torque
limitation
Encoder
evaluation
Field-orientated
control
Torque actual value
Velocity actual value
The error response set in
is executed if ...
1
.
the following error tolerance set in
is exceeded and ...
2
.
the exceedance lasts at least as long as set in
.
Parameter
Address
Name / setting range / [default setting]
Info
0x2D51:004
Position error/speed error - monitoring: Position error
- error threshold
1 ... [360] ... 2147483647 °
Setting of the error threshold for position error monitoring.
0x2D51:005
Position error/speed error - monitoring: Position error
- min. time for error
0 ... [0] ... 50 ms
Setting of the minimum time a position error must be pending until an
error/warning message is triggered.
0x2D51:006
Position error/speed error - monitoring: Position error
- error response
Setting of the error response of position error monitoring.
0 No response
1 Fault > CiA402
2 Warning
Configure position control
Monitoring the position error
164
Summary of Contents for i950 Series
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