ITEM C 3-Series User Manual

Function overview
Page 60
5.3.7 Optional stop input
The optional stop input can interrupt the running positioning process by setting the specified digital input. When the digital
input is reset, the positioning process continues to the original target position.
5.3.8 Contouring control with linear interpolation
The implementation of the "interpolated position mode" enables the specification of position setpoints in a multi-axis
application of the controller. For this purpose, position setpoints are specified by a superordinate control system in a fixed time
pattern (synchronisation interval). If this interval exceeds a position controller cycle, the controller autonomously interpolates
the data values between two set position values, as shown in the following illustration. The servo positioning controller also
calculates a corresponding speed feedforward.
y
t
t : synchronisation interval
s
y n
c
t
P
t
P
: Setposition, intern interpolated
: Interpolation data
: Cycle time position control / positioning
: Interpolated (reference value)characteristic of the position
: Driven characteristic of the position (actual value)
t
p
Figure 5: Linear interpolation between two data values

ITEM C 3-Series Specifications

General

Brand	ITEM
Model	C 3-Series
Category	Controller
Language	English