Mitsubishi Electronics E68 ユーザーズマニュアル

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12. POSITION 
SWITCH 
12.1 
Outline of Function 
II - 304 
 
12. POSITION SWITCH 
12.1  OUTLINE OF FUNCTION 
The position switch (PSW) is used as an alternate switch for the dog switch provided on an axis of the 
machine. The position switch uses parameters by which the names of axes and their corresponding 
coordinates indicating imaginary dog positions are defined in advance. When the machine reaches the 
imaginary dog position‚ a signal is output to the PLC interface. The position switch thus works as an 
imaginary dog switch. 
 
(SETUP PARAM 8. 1/1) 
Item 
Details 
Setting range (unit)
7500 Pcheck  High-speed 
switching of 
position switch 
Specify whether to perform position 
switch area checking at high speeds. 
0:  Do not perform position switch area 
checking at high speed (do it the 
same as before). 
1:  Perform position switch area 
checking at high speed. 
0/1 
75
…1  <axis> 
Axis name 
Specify the name of the axis for which a 
position switch is provided. 
X, Y, Z, U, V, W, A, 
B, or C axis address
75
…2 <dog1>  Imaginary 
dog 
position 1 
75
…3 <dog2>  Imaginary 
dog 
position 2 
When the machine enters the range 
between imaginary dog positions 1 and 
2, a signal is output to the PLC. 
−99999.999 
to 99999.999
(0.001mm)
75
…4  <check>  Selection of area 
check method 
When position switch area checking at 
high speed is selected, specify the mode 
of area checking, i.e., whether to use the 
command type machine position or 
detector feedback position, for each 
position switch point. 
0:   Use the command type machine 
position as the machine position for 
position switch area checking. 
1:   Use the detector feedback position 
as the machine position for position 
switch area checking. 
Note:  This parameter is valid only when 
1 set in "#7500 Pcheck." 
0/1