Mitsubishi Electric QD77MS User Manual page 87

Cam data
The cam data used in the cam function includes "storage data" which is used for
reading/writing with GX Works2 and "open data" which is transmitted to the internal
memory at cam control.
— (Reading and writing not possible)
Stroke ratio data format
Auto-generation data format
Coordinate data format
Storage data and open data are same for cams using the stroke ratio data format and the
coordinate data format. A cam using the auto-generation data format (storage data)
operates after being changed (transmitted) to the stroke ratio data format.
[Data read/written with GX Works2]
To re-edit the cam data read from the Simple Motion module with GX Works2, read/write
both of "cam data (edit data)" and "cam data (converted data)" when reading/writing the
cam data. If only "cam data (conversion data)" is read/written, re-edition may not be
executed or the information such as units and strokes may be missed.
The explanation of each cam data is shown below.
(1) Linear cam control
When "0" is set for "[Pr.440] Cam No.", the cam data operates as a straight line with
a 100% stroke ratio at the last point.
The linear cam does not consume the cam open area. Also, it cannot be read/written
as storage data.
Cam axis current
value per cycle
Feed current value
Storage data
cam for rotary cutter
Cam reference Cam reference
position position
(At 1st cycle) (At 2nd cycle)
3 - 3
Chapter 3 Cam Function
Open data
Linear cam
Stroke ratio data format
Coordinate data format
Cam reference
position
(At 3rd cycle)
Stroke amount 100%
t
t