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Siemens LOGO! 24 User Manual

Siemens LOGO! 24
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LOGO! Manual
A5E00067781 01
18
LOGO! ...L...
L1
N
L3
L2
The inputs of LOGO!
...L.. are grouped in
groups of 4 inputs.
The same applies to
these groups as for
the individual inputs of
a standard LOGO!.
Different phases are
possible only between
the blocks.
!
Warning
Existing safety regulations (VDE 0110, ... and
IEC 1131, ..., as well as UL and CSA) prohibit
the connection of different phases to one input
block of LOGO! ...L...
Installin
g
and Wirin
g
LOGO!

Table of Contents

Question and Answer IconNeed help?

Do you have a question about the Siemens LOGO! 24 and is the answer not in the manual?

Siemens LOGO! 24 Specifications

General IconGeneral
Dimensions90 x 72 x 55 mm
Relay Outputs4
ProgrammingLOGO! Soft Comfort
Mounting TypeDIN Rail
Protection ClassIP20
Inputs8 Digital
Outputs4 Relay
Output Current10 A per relay output
Operating Temperature0 ... 55 °C
DisplayLCD 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.

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