Mitsubishi Electric C70 Setup Manual page 134

(5) Determine the grid mask amount according to the state as shown below.
Grid space
When is smaller
2
than the grid amount
Grid space
When is larger
2
than the grid amount
(6) Select [TOOL PARAM] ---> [MENU (MENU 5)] ---> [SETUP (MENU 4)] ---> "Y" ---> "INPUT" --->[AXIS]. Scroll the
page to display the [ZERO-RTN PARAM] screen. Set the determined grid mask amount for "#2028 grmask".
7.2 Adjustment of Reference Position Return in Relative Position Detection System
Axis speed
0
Grid point
Near-point dog
OFF
ON
Switch
Grid mask amount = Grid amount -
Axis speed
Electrical zero point before the grid mask setting
(the exact point is set after the grid mask setting)
Grid point
Near-point dog
OFF
ON
Switch
Grid amount
Grid mask amount = Grid amount +
Electrical zero point
(the first grid after the switch is turned ON and OFF)
Grid mask
#2028
Grid space
Grid mask
amount
2
Grid amount
Grid space
Grid space
2
Electrical zero point after the grid mask setting
Grid space
Grid mask
Grid space
2
Grid amount
after the grid mask
#2028
setting
Grid mask amount
Grid space
2
C70 Setup Manual
Reference position
Position
+
#2027 G28sft
Reference position
shift distance
Reference position
Position
#2027 G28sft
Reference position
shift distance
117