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5-3 PLC I/O LIST
INPUT
SIGNAL
SIGNAL POINT FUNCTION
POINT NAME
Y-axis encoder A Phase signal
X00
Y-axis encoder B Phase signal
X01
X-axis hydraulic-Change to left
X02
proximity
X-axis hydraulic-Change to
X03
right proximity
Z-axis forward direction change
X04
proximity
Z-axis backward direction
X05
change proximity
Z-axis saddle-Front limit switch
X06
Z-axis saddle-Rear limit switch
X07
High speed CNT_C253 spared
X10
point
High speed CNT_C253 spared
X11
point
MPG handwheel enable button
X12
Z-axis driver abnormal
X13
MPG handwheel A phase
X14
signal
MPG handwheel B phase
X15
signal
Y-axis stepping motor
X16
continuing relay=ON
Spare (Z-axis servo motor
X17
continuing relay=ON)
Mode selection 1
X20-1
Mode selection 2
X21-1
Mode selection 3
X22-1
Mode selection-signal change
X23-1
point
Auto start button
X24-1
Auto stop button
X25-1
Y-axis rapid downfeed button
X26-1
Scanning check point -1
X27-1
Y-axis rapid raise button
X20-2
Y-axis slow downfeed button
X21-2
Y-axis rapid raise button
X22-2
Y-axis 1u downfeed button
X23-2
Y-axis jog downfeed button
X24-2
Z-axis rapid forward button
X25-2
Z-axis rapid return button
X26-2
Scanning check point -2
X27-2
NOTE: The input points with grey based columns are used for scanning signals.
SIGNAL
POINT NAME
Z-axis slowly forward button
X20-3
Z-axis slowly return button
X21-3
F3 model function
X22-3
(Z-axis speed increase button)
F2 model function
X23-3
(Z-axis speed reduce button)
Z-axis auto backward direction
X24-3
change point setting button
Z-axis auto forward direction
X25-3
change point setting button
F1 (Spared key)
X26-3
Scanning check -3
X27-3
Grinding wheel spindle stop
X20-4
button
Grinding wheel spindle start
X21-4
button
Hydraulic motor stop button
X22-4
Hydraulic motor stop button
X23-4
Coolant motor start button
X24-4
Coolant motor stop button
X25-4
Magnetic chuck magnetizing
X26-4
selection switch
Scanning check point -4
X27-4
Peripheral motor overload O.L
X20-5
Hydraulic motor running signal
X21-5
(K2M)
Lubricator pressure reach
X22-5
signal
Lubricator insufficient oil level
X23-5
signal
Y-axis travel top limit switch
X24-5
Spare (Z-axis lock switch)
X25-5
Hydraulic throttle valve close
X26-5
positioning switch
Scanning check point -5
X27-5
38
818~2040PD
SIGNAL POINT FUNCTION
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