Siemens Simatic S7-200 CPU 210 User Manual

4-1
S7-200 Programmable Controller, CPU 210
C79000-G7076-C235-01
Basic Concepts for Programming the
CPU 210
Before you start to program your application using the CPU 210, you should become familiar
with some of its basic operational features.
Chapter Overview
Section
Description Page
4.1 Guidelines for Designing a Micro PLC System 4-2
4.2 Concepts for Creating a Program 4-4
4.3 Understanding the Scan Cycle of the CPU 210 4-6
4.4 Understanding the Programming Languages 4-9
4.5 Understanding the Addresses of the Memory Areas 4-11
4.6 Sample Program Using an Interrupt Routine 4-14
4.7 Using the Analog Adjustment Potentiometer 4-16
4

Siemens Simatic S7-200 CPU 210 Specifications

General

Digital Inputs	6
Digital Outputs	4
Program Memory	2 KB
Data Memory	1 KB
Timers	128
Counters	128
Analog Inputs	0
Analog Outputs	0
Communication Ports	1 x RS-485
Power Supply	24 V DC
Type	CPU