LG Electronics 120S 8) Program example

Chapter 7 Usage of Various Functions
7-60
8) Program example
(1) Program which controls speed of inverter by analog output voltage of 5 steps(0 ~ 20mA output)
a) Program explanation
• When P80 becomes On, 2000 (10mA) is output.
• When P81 becomes On, 2400 (12mA) is output.
• When P82 becomes On, 2800 (14mA) is output.
• When P83 becomes On, 3200 (16mA) is output.
• When P84 becomes On, 3600 (18mA) is output.
b) System configuration
Main Unit D/A conversion module Expansion module
c) Program
I/O allocation
Main unit input : P000 ~ P03F
Main unit output : P040 ~ P07F
Expansion module input : P080 ~ P08F
Expansion module output : P090 ~ P09F