Siemens LOGO! 12/24RC

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LOGO! Manual

A5E00067781 01

104

If the retentive feature is switched on, when a power failure

occurs the counter status remains the same and this value

is used once power is restored.

LOGO! Functions

Main Page

Table of Contents4
Getting to Know LOGO9
Installing and Wiring LOGO16
Installing/Removing LOGO18
Wiring LOGO20
Connecting the Power Supply20
Connecting Logo!'S Inputs22
Connecting Outputs27
Connecting the Asi Bus (LOGO29
Logo30
Switching LOGO! On/Resumption of Power Supply32
Programming LOGO35
Connectors36
Blocks and Block Numbers38
From the Circuit Diagram to LOGO41
The 4 Golden Rules for Working with LOGO44
Overview of Logo!'S Menus46
Entering and Starting a Program47
Switching to Programming Mode47
First Program48
Entering a Program50
Second Program57
Deleting a Block63
Deleting a Number of Interconnected Blocks64
Correcting Typing Errors65
On the Display65
Deleting a Program66
Storage Space and Size of a Circuit67
LOGO! Functions70
Constants and Connectors - Co71
List of Basic Functions - BF73
And75
AND with RLO Edge Detection75
NAND (and Not)76
NAND with RLO Edge Detection77
NOR (or Not)78
XOR (Exclusive OR)79
NOT (Negation, Inverter)79
Fundamentals of Special Functions80
Description of the Inputs81
Time Response82
Clock Buffering83
Retentivity83
Degree of Protection84
Gain and Offset Calculation for Analog Values84
List of Special Functions - SF85
On Delay88
Off Delay90
On/Off Delay92
Retentive on Delay94
Latching Relay96
Current Impulse Relay98
Interval Time-Delay Relay - Pulse Output100
Edge-Triggered Interval Time-Delay Relay102
Seven-Day Time Switch103
Twelve-Month Time Switch108
Up/Down Counter110
Operating Hours Counter113
Symmetrical Clock Pulse Generator116
Asynchronous Pulse Generator118
Random Generator119
Frequency Trigger121
Analog Trigger123
Analog Comparator126
Stairwell Light Switch130
Dual-Function Switch132
Message Texts134
Parameterizing LOGO137
Switching to Parameterization Mode138
Parameters138
Selecting a Parameter139
Changing a Parameter140
Setting the Time (LOGO143
LOGO! Program Modules145
Overview of the Modules146
Removing and Inserting Modules147
Copying a Program from LOGO! to the Program Module/Card149
Copying from the Module to LOGO150
LOGO! Software153
Possible Applications for LOGO! Software155
Connecting LOGO! to a PC156
Transfer Settings157
Applications158
Stairwell or Hall Lighting159
Demands on Stairwell Lighting159
Previous Solution159
You Can Find Solutions for the Following Tasks: Stairway, Hall or Corridor Lighting159
Lighting System with LOGO160
Special Features and Enhancement Options163
Automatic Door164
Demands on an Automatic Door164
Previous Solution165
Door Control System with LOGO165
Special Features and Enhancement Options168
Enhanced LOGO! 230RC Solution168
Ventilation System171
Demands on a Ventilation System171
Advantages of Using LOGO174
Industrial Gate176
Demands on the Gate Control System176
Previous Solution177
Enhanced LOGO! Solution179
Centralized Activation and Surveillance of Several Industrial Gates180
Demands on the Gate Control System181
Fluorescent Luminaires185
Demands on the Lighting System185
Previous Solution186
Fluorescent Luminaire Control with LOGO! 230RC187
Water Pump189
Demands on the Control System of a Rainwater Pump190
Previous Solution190
Rainwater Pump190
Rainwater Pump with LOGO! 230RC191
Special Features and Enhancement Options192
Further Potential Applications193
Other Applications193
A Technical Specifications196
General Technical Specifications196
Technical Specifications: LOGO! 230198
Technical Specifications: LOGO! 24 Basic201
Technical Specifications: LOGO! 24 Long204
Technical Specifications: LOGO! 12207
Logo!Power 12 V211
Logo!Power 24 V213
Technical Specifications: LOGO! Contact 24/230215
B Determining Memory Requirements217
C Determining the Cycle Time219
DLOGO! Without a Display221
Elogo224
Active-Passive Switchover224
FLOGO! Menu Structure226
Order Numbers227
Abbreviations229
Index230

Siemens LOGO! 12/24RC - Page 112

Table of Contents

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