Specifications

Introduction Operations that can be performed using MELSEC-L series
1 - 2
1.2 Operations that can be performed using MELSEC-L series
1.2.1 Programmable controllers
The programmable controllers perform sequence control and logical operations by switching the
output of output equipment ON/OFF according to the command signal from the input equipment.
Other equipment is shown below.
I00002
Fig. 1-2: Performing sequence control and logical operations
Fig. 1-3:
Examples of input equipment
I00003
Fig. 1-4:
Examples of output equipment
I00004
Power
supply
Push-button
switch
Input equipment Output equipment
Input interface
Output interface
Operation
Data
Program
Creating and
debugging programs
Input
module
CPU module Output
module
Personal
computer
Memory
Programmable controller
Power
supply
Input relay SwitchLimit switch
Solenoid valve
Contactor