Operating Principles Of The Programmable Controller; Basic Configuration - Panasonic FP-M Hardware Manual

5-1. Operating Principles of the Programmable Controller

5-1. Operating Principles of the
Programmable Controller

1. Basic Configuration

A programmable controller is composed of four basic sections: 1 CPU, 2 memory, 3 input interface, and
4 output interface. An inside look at these sections will help you understand their functions and operation of the
programmable controller.
Input field devices
Limit switches
Manual operating
switches
Photoelectric
sensors
Inductive
proximity switches
Encoders
Digital switches
Power supply
74
Programmable Controller
2-a
Memory for operand
3
Input
inter-
1 CPU
face
(Central Processing
Unit)
2-b
System
register
Personal computer
NPST-GR Software
Programming tools
4
Output
inter-
face
2-c
Memory for
program
FP
Programmer II
FP PROGRAMMER
ST AN OR OT FN/P
X•WX Y•WY R•WR L•WL FL
NOT STK TM CT (BIN)
T•SV
DT/Ld IX/IY C•EV K/H
= D < > SHIFT
C D E F SC
8 9 A B (-)
OP
SRC
4 5 6 7
0 1 2 3 READ
(HELP) (DELT)
ACLR ENT WRT
CLR INST
Output field devices
Relays
Solenoids
Inverter
(variable speed
drive)
Segment
indicators
Indicators
Buzzers
Power supply