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2 Instructions
CP1E CPU Unit Instructions Reference Manual(W483)
Step Instructions
2
SNXT/STEP
Application Examples

(1) Sequential Execution

SW 1
SW 2
SW 3
SW 4
Solenoid 1 Robot hand
Solenoid 2
Conveyor belt 1
Process A: Loading
Conveyor belt 2
Process B: Part installation
Conveyor belt 3
Process C: Inspection/Unloading
Photomicro-
sensor
0.01 (SW1)
0.02 (SW2)
0.03 (SW3)
0.04 (SW4)
Process A
Process B
Process C
Loading
End
Part Installation
Inspection/Unloading
Explanation of operation
(1) SW1 ON:
Solenoid 1 operates
Conveyor 1 operates
(2) SW2 ON stops the previous process
Robot hand operates
Conveyor 2 operates
(3) SW3 ON stops the previous process
Photo microsensor operates (for part inspection)
Conveyor 3 operates
Solenoid 2 operates (removal of defective items)
(4) SW4 ON stops the previous process
Additional Information
When another process is started from within a process (when an
SNXT instruction turns ON), all outputs of the current process are
turned OFF within that cycle.
Process A
Process B
Process C
Process A
started.
Process A
reset.
Process B
started.
Process B
reset.
Process C
started.
Process C
reset.
Programming for process A
Programming for process B
Programming for process C
0.01(SW1)
0.01(SW1)
0.02(SW2)
0.03(SW3)
STEP
W0.00
SNXT
W0.00
STEP
W0.01
SNXT
W0.01
SNXT
W0.02
STEP
W0.02
STEP
SNXT
W30.0