12. Position Switch
12.1 Outline of Function
II - 323
Position switch numbers of PSW1 to PSW8 and signal devices
<axis>
<dog1>
<dog2>
System 1 device
System 2 device
PSW1 #7501 #7502 #7503
X270
U0F0
PSW2 #7511 #7512 #7513
X271
U0F1
PSW3 #7521 #7522 #7523
X272
U0F2
PSW4 #7531 #7532 #7533
X273
U0F3
PSW5 #7541 #7542 #7543
X274
U0F4
PSW6 #7551 #7552 #7553
X275
U0F5
PSW7 #7561 #7562 #7563
X276
U0F6
PSW8 #7571 #7572 #7573
X277
U0F7
Instead of the dog switch provided on the machine axis‚ the coordinate values indicating imaginary dog
positions (dog1 and dog2) on the coordinate axis of the axis name preset with axis are set with the position
switches (PSW1 - PSW8). When the machine reaches the position‚ the signal is output to the device
corresponding to the PLC interface.
Example of settings of dog1 and dog2 and operation
Setting of dog1 and
dog2
dog1, dog2 position
Operation
dog1 < dog2
dog1 dog2
A signal is output between
dog1 and dog2.
dog1 > dog2
dog2 dog1
A signal is output between
dog1 and dog2.
dog1 = dog2
dog1 = dog2
If dog1 equals dog2‚ the
dog1 position triggers a
signal.
dog1
dog2
PSW
width
Imaginary
dog
Basic machine coordinate
system zero point
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