4 The outline of motor control
20
If a starting point sensor is detected, it will pass at first. And it will stop, if it passes
completely, and it goes to the origin point by LSPD. Motor stopped suddenly, if the
origin point sensor is detected from a direction opposite to the direction which started
detection of the origin point. Then the position of pulse data is memorized and the
direction approaching a sensor is also memorized.
While in this procedures, if you stop this operation by “STOP” switch or command, H.P
hadn't been finished.
If in this procedures, CW or CCW limit switch or digital limit switch is activate,
detecting procedures continue until “STOP” switch on.
[METHOD C]
This way is used when the origin point information is memorized by the way previously
described. The origin point is detected automatically based on the information
memorized.
If you push START button, motor goes to origin point ± offset pulse area by preset
speed. When motor enter the offset area, then goes to origin point at low speed. Motor
stopped suddenly, if the origin point sensor is detected, and H.P procedures finished.
While in this procedures, CW, CCW limit switch activate or push STOP button, this
procedure stopped. In this case the origin point position information is cleared.
When you want to set up the origin point using old origin point detection data, setting
data can be returned by “
Cam
CW
CCW
origin sensor (H.P LS)
Offset pulse
(An initial value is 100. It can change for
every channel.)
1. It starts to the offset pulse range
at present speed H, M, L.
2. When entering in an offset pulse,
the origin point will be detected
at LSPD.
