231
FX3G/FX3U/FX3UC Series Programmable Controllers
Programming Manual - Basic & Applied Instruction Edition
8 Program Flow – FNC 00 to FNC 09
8.3 FNC 02 – SRET / Subroutine Return
1
Introduction
2
Overview
3
Instruction
List
4
Devices
in Detail
5
Specified the
Device &
Constant
6
Before
Programming
7
Basic
Instruction
8
FNC00-FNC09
Program Flow
9
FNC10-FNC19
Move & Compare
10
FNC20-FNC29
Arith. & Logic
Operation
8.3 FNC 02 – SRET / Subroutine Return
Outline
This instruction returns the program execution from a subroutine to the main program.
1. Instruction format
2. Set data
3. Applicable devices
Explanation of function and operation
When CALL instruction in the main program is executed, the program execution jumps to a subroutine.
SRET instruction returns the program execution to the main routine.
→ Refer to Section 8.2.
Operand type Description Data type
– There is no set data. –
Oper-
and
Type
Bit Devices Word Devices Others
System User Digit Specification System User
Special
Unit
Index
Con-
stant
Real
Number
Charac-
ter String
Pointer
XYMTCSD.b KnX KnY KnM KnS T C D R U\G V Z Modify K H E ""P
– There are no applicable devices.
FNC 02
SRET
Independent Inst.
1 step SRET
This instruction is the independent type, and
does not require drive contact.
Mnemonic Operation Condition
Continuous
Operation
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