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Description, Tips, 4 instruction details – KEYENCE Visual KV Series User Manual

Page 134

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2.4 Instruction Details

3-110

2

Chapter 2 Instructions

Process progression with Wait instruction

Description

When using the W-UE instruction in a program with STG instructions on the previ-
ous page, you can create a program for an operation which moves to the next stage
every time when start switch 0000 turns ON (process progression).

➮ "W-UE instruction" (p. 3-98)

Tips

Resetting STG instructions (in the above example)

Use the SFT instruction to turn OFF all STG instructions in an emergency.

Enter the initial setting process depending on the program. The above example
cannot start the next operation without the initial setting.

➮ "SFT instruction" (p. 3-82)

Note 1: The scan time is not affected by any instructions between STG and JMP/
ENDS instructions which are not executed.

Note 2: STG operand relay Nos. cannot be duplicated in a program.

Note 3: The STG instruction must be connected to the bus.

Note 4: The STG, JMP, or ENDS instruction cannot be used in subroutines.

2008

1100

0500

1001

JMP

1000

STG

1002

JMP

1001

STG

0501

1003

JMP

1002

STG

0502

0500

0501

0502

1003

STG

1004

STG

1004

JMP

1000

SET

0000

1100

1104

1000

JMP

0000

1104

1101

1102

1103

0000

1101
0000

1102
0000

1103

2003

2003

SFT

D

1000

CLK

1004

RES

1000

SET

Initial setting

Reset input

STG start relay

Reset input

STG end relay

STG

KVNKA Chap 02_4bP.p65

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