WEIHONG Lambda 5S Series User Manual

上海维宏电子科技股份有限公司
Weihong Electronic Technology Co., Ltd.
- 64 - Specialized, Concentrated, Focused
4) The machine halts at the red flag place D at the end of this stage.
 Fine positioning Stage
Fine positioning, with various methods, is used to make each axis return to machine zero exactly by
regarding encoder zero as fine positioning switch in our system, i.e. the axis is locating for machine zero
in the motion via detecting encoder zero. Due to one zero signal sent per revolution of encoder, the fine
positioning signal is periodic.
4
3
2
1
Distance
D
Coarse Positioning Signal Belt
C
C’
B A
Fine Positioning Signal Belt
Fig. 5-3 The process of fine positioning
 Retracting Stage
After finishing the fine positioning stage, the system will execute retracting motion once with
recommended retracting distance as half of the screw pitch. The sketch map is shown in Fig. 5-4.
Fine Positioning Signal Belt
Distance
D
Coarse Positioning Signal Belt
C
C’
B A
Retracting
Distance
Fig. 5-4 Retracting stage

WEIHONG Lambda 5S Series Specifications

General

Brand	WEIHONG
Model	Lambda 5S Series
Category	Controller
Language	English