
5-1
5. Built-in PLC Function
The PLC ladder logic can be created and downloaded using the TD-LINK software.
5.1 Basic Commands
Type
General
Output
SET
Output
RESET
Output
PULSE
Output
N.O.
Contact
N.C.
Contact
Range
↑
↓
P
NO / NC
Inputs
I
i
I1–I6 / i1–i6
Outputs
Q
Q
Q
Q
Q
q
Q1–Q2 / q1–q2
Auxiliary command
M
M
M
M
M
m
M1–MF / m1–mF
AC Drive Function Registers
V1–V7
Counter function
C
C
c
C1–C8 / c1–c8
Timer function
T
T
t
T1–T8 / t1–t8
Analog comparison function
G
G
g
G1–G8 / g1–g8
Operation control function
F
F
f
F1–F8 / f1–f8
Summation and subtraction function
AS
AS1–4
Multiplication and division function
MD
MD1–4
AC Drive Function Registers
V1: Set frequency (Hz)
V2: Operation frequency (Hz)
V3: AI1 input value
V4: AI2 input value
V5: Keypad potentiometer Value
V6: Operation current (A)
V7: Torque value (%)
Command
Positive Differential
(One-shot)
Negative Differential
(One-shot)
Other Command Symbols
Differential Command
D
d
SET Command
↑
RESET Command
↓
P Command
P
Open Circuit
“ “
Short Circuit
“--”
Connection Symbol
Definition
─
Connects components on the left and right side
┴
Connects components on the left, right, and top side
┼
Connects components on the left, right, top, and bottom side
┬
Connects components on the left, right, and bottom side