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FX3S/FX3G/FX3GC/FX3U/FX3UC Series
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.
*1: The instruction is provided in the FX
2N
/FX
2NC
Series Ver. 3.00 or later. *7: The instruction is provided in the FX
3U
/FX
3UC
Series Ver. 2.61 or later.
*2: The function is changed in the FX
3UC
Series Ver. 1.30 or later. *8: The instruction is provided in the FX
3G
Series Ver. 1.40 or later.
*3: The instruction is provided in the FX
3UC
Series Ver. 1.30 or later. *9: The instruction is provided in the FX
3U
/FX
3UC
Series Ver. 2.70 or later.
*4: The function is changed in the FX
3UC
Series Ver. 2.20 or later. *10: The instruction is provided in the FX
3G
Series Ver. 1.30 or later.
*5: The instruction is provided in the FX
3UC
Series Ver. 2.20 or later *11: The instruction is provided in the FX
3U
/FX
3UC
Series Ver. 2.40 or later.
*6: The instruction is provided in the FX
3G
Series Ver. 1.10 or later.
.
Mnemonic
Name Symbol Function Applicable devices Reference
STL Step Ladder Starts step ladder S Chapter 35
RET Return Completes step ladder – Chapter 35
FNC
No.
Mnemonic Symbol Function
FX3S
FX3G
FX3GC
FX3U
FX3UC
Applicable PLC
Reference
FX1S
FX1N
FX1NC
FX2N
FX2NC
Program Flow
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
Move and Compare
10 CMP Compare Section 9.1
11 ZCP Zone Compare Section 9.2
12 MOV Move Section 9.3
STL Applicable devices
RET
PnCJ
PnCALL
SRET
IRET
EI
DI
FEND
WDT
FOR S
NEXT
CMP S1 S2 D
ZCP S2 S DS1
DSMOV