Siemens LOGO! 24 - User Manual

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LOGO! Manual
A5E00067781 01
Welcome to LOGO!
Dear customer,
Thank you for purchasing LOGO!, and congratulations on your
decision. In LOGO! you have acquired a logic module that meets
the stringent quality requirements of ISO 9001.
LOGO! is universal in application. Its comprehensive functionality
and great ease of use make it a highly cost–efficient solution for
virtually any application.
LOGO! documentation
This LOGO! manual tells you how to install, program and use
LOGO!.
You can find information on wiring in the LOGO! manual as well as
in the LOGO! product information that is supplied with each de-
vice. You can get further information on programming LOGO! via
the PC in the LOGO!Soft Comfort online help system. LOGO!Soft
Comfort is the programming software for PCs. It runs under
WINDOWS

and will help you get to know LOGO! and to write,
test, print out and archive programs independently of LOGO!.
Guide to the manual
We have subdivided this manual into 9 chapters:
 Getting to Know LOGO!
 Installing and Wiring LOGO!
 Programming LOGO!
 LOGO! Functions
 Parameterizing LOGO!
 LOGO!’s Program Modules
 LOGO! Software
 Applications
 Appendices
Additional support
You can find answers to your LOGO! questions quickly and easily
on the Internet at http://www.ad.siemens.de/logo.

Siemens LOGO! 24 Specifications

General

Dimensions	90 x 72 x 55 mm
Relay Outputs	4
Programming	LOGO! Soft Comfort
Mounting Type	DIN Rail
Protection Class	IP20
Inputs	8 Digital
Outputs	4 Relay
Output Current	10 A per relay output
Operating Temperature	0 ... 55 °C
Display	LCD with backlight

Summary

Welcome and Introduction

LOGO! Documentation Overview

Information on how to install, program, and use LOGO! devices.

Additional Support Resources

Guidance on finding answers to LOGO! questions via the Internet.

Safety Guidelines and Precautions

Warning Levels and Symbols

Explains danger, warning, caution, and note symbols and their meanings.

Personnel and Device Usage Requirements

Specifies qualified personnel and proper usage guidelines for the LOGO! device.

Getting to Know LOGO!

What is LOGO!?

Definition and core components of Siemens LOGO! universal logic module.

LOGO! Device Types and Variants

Overview of available LOGO! models, their features, and dimensions.

Installing and Wiring LOGO!

Installing and Removing LOGO!

Step-by-step instructions for mounting LOGO! on a DIN rail and its removal.

Wiring LOGO! Components

Procedures for connecting power supply, inputs, outputs, and ASi bus to LOGO!.

Programming LOGO!

LOGO! Connectors and Blocks

Explanation of LOGO! inputs, outputs, connectors, and the concept of blocks.

Entering and Starting a Program

Step-by-step guide to entering programs, switching modes, and starting execution.

The 4 Golden Rules for LOGO! Programming

Essential rules for efficient LOGO! programming, including planning and cursor usage.

LOGO! Functions

List of Basic Functions (BF)

Overview of fundamental logic operations like AND, OR, NAND, NOR, XOR, NOT.

Fundamentals of Special Functions

Introduction to special functions, their input types, and background information.

Common Special Functions (Timers, Counters)

Details on time-related functions (On/Off Delay) and counter functions (Up/Down, Hours).

Parameterizing and Program Modules

Switching to Parameterization Mode

Procedure to enter parameterization mode for adjusting block settings without program changes.

Overview of Program Modules

Information on yellow (copying) and red (protection) program modules for data storage.

Copying Programs

Procedures for transferring programs between LOGO!, modules, and PCs.

LOGO! Software and Applications

LOGO!Soft Comfort Software Features

Capabilities of LOGO!Soft Comfort for offline programming, simulation, and documentation.

Connecting LOGO! to a PC

Steps required to establish a PC connection to LOGO! for programming and data transfer.

Applications Examples Overview

Introduction to various application examples for LOGO! in different industries.

Technical Specifications

General Technical Specifications

Environmental, mechanical, and general technical data for LOGO! devices.

LOGO! 230... Series Specifications

Detailed technical specifications for LOGO! 230RC and 230RCLB11 variants.

LOGO! 24 Basic Series Specifications

Detailed technical specifications for LOGO! 24 and 24RC/RCo variants.

Advanced Topics and Appendices

Determining Memory Requirements

Method for calculating the memory needs of a circuit, including an example.

Determining the Cycle Time

Steps to create and run a test program for calculating LOGO! cycle time.

LOGO! Without a Display Variants

Benefits of using LOGO! variants without keypads and displays, focusing on cost and space.

LOGO!...LB11: Active-Passive Switchover

Procedure to switch LOGO!...B11 variants between active and passive states via the menu.

Appendices and Index

LOGO! Menu Structure

Visual representation of the LOGO! menu hierarchy for programming and parameterization.

Order Numbers and Accessories

Table listing available LOGO! variants, accessories, and their order numbers.

Glossary of LOGO! Abbreviations

Alphabetical list of abbreviations and their meanings used throughout the manual.