Example Of Ist Instruction Introduction (Example Of Workpiece Transfer Mechanism) - Mitsubishi FX3U Series Programming Manual

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FX
/FX
Series Programmable Controllers
3U
3UC
Programming Manual - Basic & Applied Instruction Edition

14.1.2 Example of IST instruction introduction (example of workpiece transfer mechanism)

1. Operation mode
Zero return
Zero return
operation mode
PB
X021
X025
Individual
operation mode
X020
Leftward
Moving up
travel
PB
PB
X005
X006
Rightward
Moving down
travel
PB
PB
X010
X011
Pushbutton switches for individual operations
of the robot hand shown in the figure on the right
Pushbutton switches for the external circuit to
turn ON and OFF the load power supply
Operation mode
Individual
operation
mode
Manual
mode
Zero return
operation
mode
Stepping
operation
mode
Cycle
Automatic
operation
mode
mode
Continuous
operation
mode
Stepping
operation
X022
Cycle
operation mode
X023
Continuous
Power supply
operation mode
X024
PB
Unclamping
PB
PB
X007
Start X 026
Emergency stop
Clamping
PB
PB
PB
X012
Stop X027
Each load is turned ON and OFF by an individual pushbutton switch.
When the pushbutton switch for zero return is pressed, the machine automatically returns to the
zero point.
Every time the start button is pressed, the machine performs one process.
When the start button is pressed while the machine is located at the zero point, the machine
performs one cycle of automatic operation and stops at the zero point.
If the stop button is pressed in the middle of one cycle, the machine stops immediately. When
the start button is pressed after that, the machine performs the continuous operation from the
last position, and automatically stops at the zero point.
When the start button is pressed while the machine is located at the zero point, the machine
starts continuous operation.
When the stop button is pressed, the machine finishes the current cycle until the zero point, and
then stops at the zero point.
14 Handy Instruction – FNC 60 to FNC 69
14.1 FNC 60 – IST / Initial State
Mechanism for transferring a workpiece from the
point A to the point B using the robot hand
Y003
Rightward X003
Y004
X004
Leftward
Y002
Moving
Workpiece
Point A
Contents of operation
X002 Moving down
Y000
X001
up
Clamping Y001
Unclamping Y001
Point B
367
11
12
13
14
15
16
17
18
19
20

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