Mitsubishi MELSEC System Q User Manual

An ADD instruction is not restricted to two input variables. Up to 28 input variables can be
defined. In the Ladder Diagram this can be done as follows:
When programming in IEC instruction list just enter the ADD instruction several times. For
example:
MELSEC System Q Beginners Manual 6 – 27
More Advanced Programming Math Instructions
Select the ADD-E instruction from the Function Block Selec
-
tion
window (see chapter 4.7.7) and place the instruction into
the body of the POU.
Click on the instruction. This changes the colour of the box.
Move the cursor downward until he converts into a double
arrow.
Then click the left mouse button and “Click – Drag” downward
until the desired number of input variables is displayed.Release
the left mouse button at this point
243+
D3
D4
377
24
13+
D2
97
D1
+
LD D1
ADD 24
ADD D2
ADD D3
ST D4

Mitsubishi MELSEC System Q Specifications

General

Brand	Mitsubishi
Model	MELSEC System Q
Category	Controller
Language	English