Mitsubishi Electric MELSEC FX3U - 8 Program Flow - FNC 00 to FNC 09

227
FX3G/FX3U/FX3UC Series Programmable Controllers
Programming Manual - Basic & Applied Instruction Edition
8 Program Flow – FNC 00 to FNC 09
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. Program Flow – FNC 00 to FNC 09
FNC 00 to FNC 09 provide instructions mainly related to control flow of sequence programs such as
conditional program execution and priority processing.
FNC No. Mnemonic Symbol Function Reference
00 CJ Conditional Jump Section 8.1
01 CALL Call Subroutine Section 8.2
02 SRET Subroutine Return Section 8.3
03 IRET Interrupt Return Section 8.4
04 EI Enable Interrupt Section 8.5
05 DI Disable Interrupt Section 8.6
06 FEND Main Routine Program End Section 8.7
07 WDT Watchdog Timer Refresh Section 8.8
08 FOR Start a FOR/NEXT Loop Section 8.9
09 NEXT End a FOR/NEXT Loop
Section
8.10
PnCJ
PnCALL
SRET
IRET
EI
DI
FEND
WDT
FOR S
NEXT