6-2
Chapter 6 LADDER Instruction Description
6-1 Basic Instruction
6-1-1 Instructions with logical operand
[
General
output
¿
SET
output
À
RESET
output
P
PULSE output
Normal
open
contact
Normal
close
contact
Number
Input coil I i
12(I1∼IC / i1∼iC)
Output coil Q Q Q Q Q q
8 (Q1∼Q8 / q1∼q8)
Auxiliary coil M M M M M m
15(M1∼MF / m1∼mF)
Expand input
coil
X x
12(X1∼XC /x1∼xC)
Expand output
coil
Y Y Y Y Y y
12(Y1∼YC / y1∼yC)
RTC R R r
15(R1∼RF / r1∼rF)
Counter C C c
15(C1∼CF / c1∼cF)
Timer T T T t
15(T1∼TF / t1∼tF)
Analog
comparator
G G g
15(G1∼GF / g1∼gF)
HMI H 15(H1~HF)
PWM P 1 (P1)
I/O LINK L 8 (L1~L8)
6-1-2 Instructions without operand
D
Up differential
d
Down differential
“ ”
Open circuit
“--”
Short circuit
6-1-3 Connection signal
─
connect with left and
right components
┴
connect with left, right and
up components
┼
connect with left, right, up
and down components
┬
connect with left, right and down
components
6-2 Example for basic instruction
◎ Function D (d) Instruction
1: I1─D ───[ Q1
I1 OFF ON OFF