Mitsubishi Electric MELSEC FX3U - Step Ladder Instructions; Applied Instructions

70
FX3G/FX3U/FX3UC Series Programmable Controllers
Programming Manual - Basic & Applied Instruction Edition
3 Instruction List
3.2 Step Ladder Instructions
3.2 Step Ladder Instructions
3.3 Applied Instructions ... in Ascending Order of FNC Number
Applied instructions such as Arithmetic operation, Rotation and Shift, Handy instructions etc. are used
especially when numeric data is handled.
Mnemonic Name Symbol Function Applicable devices Reference
STL Step Ladder Starts step ladder S Chapter 35
RET Return Completes step ladder – Chapter 35
*1: The instruction is provided in the FX 2N /FX 2NC Series Ver.3.00 or later. *5: The instruction is provided in the FX 3UC Series Ver.2.20 or later.
*2: The function is changed in the FX
3UC Series Ver.1.30 or later. *6: The instruction is provided in the FX 3G Series Ver.1.10 or later.
*3: The instruction is provided in the FX
3UC Series Ver.1.30 or later. *7: The instruction is provided in the FX 3U /FX 3UC Series Ver.2.61 or
*4: The function is changed in the FX
3UC Series Ver.2.20 or later. later.
FNC No. Mnemonic Symbol Function
FX3U
FX3UC
FX3G
Applicable PLC
Reference
FX1S
FX1N FX2N
FX1NC FX2NC
Program Flow
00 CJ Conditional Jump 33333333
Section
8.1
01 CALL Call Subroutine 33333333
Section
8.2
02 SRET Subroutine Return 33333333
Section
8.3
03 IRET Interrupt Return 33333333
Section
8.4
04 EI Enable Interrupt 33333333
Section
8.5
05 DI Disable Interrupt 33333333
Section
8.6
06 FEND Main Routine Program End 33333333
Section
8.7
07 WDT Watchdog Timer Refresh 33333333
Section
8.8
08 FOR Start a FOR/NEXT Loop 33333333
Section
8.9
09 NEXT End a FOR/NEXT Loop 33333333
Section
8.10
Move and Compare
10 CMP Compare 33333333
Section
9.1
STL Applicable devices
RET
PnCJ
PnCALL
SRET
IRET
EI
DI
FEND
WDT
FOR S
NEXT
CMP S1 S2 D