Replacement Of Sft Instruction In F And F Series - Mitsubishi Electric MELSEC FX3U Programming Manual

FX /FX /FX Series Programmable Controllers
3G 3U 3UC
Programming Manual - Basic & Applied Instruction Edition
11.6.1 Replacement of SFT instruction in F
SFT instruction in F
shown below:
1. F and F PLCs
1 2
M100: Input data
M101 to M117 (octal number): 15-step shift register
Circuit program
data input
X000
shift input
X001
X002 reset input
2. FX , FX and FX
3G 3U
data input
X000
shift input
X001
X002 reset input
320
/F PLCs corresponds to SFTL (FNC 35) instruction in FX
1 2
OUT
M100
SFT
M117
RST
PLCs
3UC
M101 to M115 (decimal number): 15-step shift register
M100
FNC 35
M100
SFTLP
Input data
FNC 40
M101
ZRST
Head
device
11 Rotation and Shift Operation – FNC 30 to FNC 39
and F Series
1 2
List program
0000 LD X000
0001 OUT M100
0002 LD X001
0003 SFT M100
0004 LD X002
0005 RST M100
M101 K 15 K 1
Head Number Shift by
device of steps 1 bit
Shift registers M101 to M115 are reset
M115
at one time.
11.6 FNC 35 – SFTL / Bit Shift Left
/FX /FX
3G 3U 3UC
Fixed value
PLCs as