Shihlin electric SF3 Series User Manual

2. Command function description
 The built-in PLC has 21 kinds of basic instructions and 12 kinds of application instructions.
2.1 Basic instructions
 Basic instruction list
Basic instruction specification
Ladder diagram
Command description
Command
Device used
Number range
Normally open contact
LD
X、Y、M、T、C
X: 0~25, octal encoding
Y: 0~23, octal encoding
M: 0~239,
M8000~M8079 T: T0~T7
C: C0~C7 K: 0~65535
Normally closed contact
LDI
X、Y、M、T、C
Series normally open
AND
X、Y、M、T、C
Series normally closed
ANI
X、Y、M、T、C
Parallel normally open
OR
X、Y、M、T、C
Parallel normally closed
ORI
X、Y、M、T、C
Rising edge trigger
switch
LDP
X、Y、M、T、C
Falling edge trigger
switch
LDF
X、Y、M、T、C
Series rising edge
trigger
ANDP
X、Y、M、T、C
Series falling edge
trigger
ANDF
X、Y、M、T、C
Parallel rising edge
trigger
ORP
X、Y、M、T、C
Trigger on rising edge in
parallel
ORF
X、Y、M、T、C
Parallel normally open
ANB
None
Block parallel
ORB
None
Multiple output
MPS 、
MRD、MPP
None
Coil drive output
OUT
Y、M

Shihlin electric SF3 Series Specifications

General

Brand	Shihlin electric
Model	SF3 Series
Category	Controller
Language	English