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Siemens S5-100U User Manual

Siemens S5-100U
512 pages
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SIMATIC S5
S5-100U
Programmable Controller
System Manual
CPU 100/102/103
EWA 4NEB 812 6120-02a

Table of Contents

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Siemens S5-100U Specifications

General IconGeneral
Programming LanguageSTEP 5
TypePLC
Power Supply24V DC
I/O ModulesDigital and Analog I/O modules available
Analog InputsUp to 32
CommunicationRS-232
MemoryRAM
Operating Temperature0°C to 60°C

Summary

The SIMATIC S5 System Family

Technical Description

Programmable Controller Design

Describes the physical layout and modular design of the S5-100U, including its components.

Principle of Operation for the Programmable Controller

Explains how the S5-100U processes programs using its functional units, RAM, and I/O bus.

Installation Guidelines

Installing S5-100U Components

Details the steps for mounting power supply, CPU, bus units, and I/O modules on mounting rails.

Wiring

Covers connection methods, including SIGUT screw-type terminals and crimp snap-in terminals for modules.

Electrical Configuration

Explains power supply circuits, control circuits, and load circuits for the S5-100U system.

Wiring Arrangement, Shielding, and Measures to Guard against Electromagnetic Interference

Describes best practices for cable routing, shielding, and EMC measures to ensure reliable operation.

Start-up and Program Tests

Operating Instructions

Provides basic operating instructions for the CPU operator panel, including ON/OFF switch and operating modes.

Starting Up a System

Offers suggestions for configuring and safely installing the programmable controller and its components.

Loading the Program into the Programmable Controller

Explains automatic and manual procedures for loading programs from memory submodules into the CPU.

Backing Up the Program

Details how to back up the control program from the CPU's program memory to a memory submodule.

Diagnostics and Troubleshooting

Indication of Errors by LEDs

Explains how to interpret LED indications on the operator panel to identify error types and causes.

CPU Malfunctions

Covers CPU malfunctions, including the ISTACK analysis function for identifying error causes.

Program Errors

Guides users on locating error addresses within the program and tracing program execution using BSTACK.

Addressing

Slot Numbering

Explains the consecutive numbering of slots for single-tier and multi-tier configurations.

Digital Modules

Details the addressing format for digital modules, consisting of byte address and channel number.

Analog Modules

Describes the addressing range and memory requirements for analog modules.

The Structure of Process Image Input and Output Tables

Explains the organization of PII and PIQ into address areas reserved for digital, analog modules, and intermediate results.

Introduction to STEP 5

Writing a Program

Introduces the STEP 5 programming language, its methods of representation, and operand areas.

Program Structure

Describes the two program types: linear and structured, and the advantages of structured programming.

Block Types

Details the characteristics of different block types: OB, PB, SB, FB, and DB.

STEP 5 Operations

Basic Operations

Covers fundamental operations like Boolean logic, Set/Reset, Load/Transfer, Timer, Counter, Comparison, and Arithmetic operations.

Supplementary Operations

Explains advanced operations like Disable/Enable Interrupt, DO, Jump, and Substitution operations.

System Operations

Details system operations that access system data directly, intended for experienced users.

Condition Code Generation

Explains how condition codes are generated by comparison, arithmetic, shift, and conversion operations.

Integrated Blocks and Their Functions

Assigning Internal Functions to DB1

Explains how to configure parameters in DB1 for functions like real-time clock, SINEC L1, and system parameters.

Integrated Function Blocks

Introduces standard function blocks like Code Converter, Multiplier, and Divider integrated into the CPU.

Integrated Organization Blocks

Details integrated OBs such as Scan Time Triggering OB31, Battery Failure OB34, and OB251 PID Algorithm.

Interrupt Processing, for CPU 103 Version 8MA02 and Higher

Interrupt Processing with OB2

Explains how OB2 is called by process interrupts to handle interrupt-driven program processing.

Calculating Interrupt Reaction Times

Provides a method to calculate the total interrupt reaction time by summing basic and additional reaction times.

Analog Value Processing

Analog Input Modules

Introduces analog input modules and their function in converting analog signals to digital values.

Connecting Current and Voltage Sensors to Analog Input Modules

Covers rules for connecting sensors, including multi-channel operations, compensating boxes, and reference potentials.

Analog Output Modules

Explains how analog output modules convert CPU bit patterns into analog output voltages or currents.

Analog Value Conversion: Function Blocks FB250 and FB251

Details using function blocks FB250 for reading and scaling analog values, and FB251 for outputting analog values.

The Integral Real-Time Clock, for CPU 103 Version 8MA02 and Higher

Function

Outlines the capabilities of the integral real-time clock, including clock/calendar, prompt/alarm, and operating hours counter functions.

Setting Parameters in DB1

Provides procedures for setting clock parameters using DB1, including defaults and manual resets.

Programming the Integral Real-Time Clock in DB1

Offers examples for setting the clock, prompt time, and operating hours counter within DB1.

Connecting the S5-100U to SINEC L1, for CPU 102 and Higher

Connecting the Programmable Controller to the L1 Bus Cable

Details the physical connection of the S5-100U to the L1 bus cable using bus terminal BT 777.

Setting Parameters in the Programmable Controller for Exchanging Data

Explains the parameters required for data exchange via the L1 bus, including send/receive mailboxes.

Coordinating Data Exchange in the Control Program

Guides on creating the control program for data exchange, relying on coordination information.

Module Spectrum

General Technical Specifications

Provides general technical specifications covering environmental conditions, EMC, and safety information.

Power Supply Modules

Lists technical specifications for PS 930 and PS 931 power supply modules.

Central Processing Units

Details technical specifications for CPU 100, CPU 115, CPU 102, and CPU 103.

Digital Modules

Presents technical specifications for various digital input, output, and input/output modules.

Analog Modules

Provides technical specifications for analog input and output modules, covering ranges and wiring.

Function Modules

Comparator Module 2×1 to 20 mA/0.5 to 10 V

Describes the comparator module, its function, installation, wiring, addressing, and typical applications.

Timer Module 2×0.3 to 300 s

Details the timer module, its function, installation, wiring, addressing, and typical applications.

Diagnostic Module

Covers the diagnostic module's function for monitoring the S5-100U I/O bus and LEDs.

Counter Module 2×0 to 500 Hz

Explains the counter module's function, initial settings, setpoint loading, and enabling.

Counter Module 25/500 kHz

Details the high-speed counter module, its function, settings, pulse evaluation, and addressing.

Closed-Loop Control Module IP 262

Introduces the IP 262 module, its operation modes, and use in industrial processing technology.

Positioning Module IP 267

Explains the IP 267 module, its principle of operation, and how it handles positioning operations.

Communications Modules

Covers communications modules like CP 521 Printer and CP 521 BASIC, detailing their functions.

Appendix A: Operations List, Machine Code and List of Abbreviations

Operations List

Provides a comprehensive list of STEP 5 operations, categorized by type with execution times.

List of Abbreviations

A glossary of abbreviations used throughout the manual, aiding in understanding technical terms.

Appendix B: Dimension Drawings

Dimension Drawing of the S5-100U (CPU)

Provides detailed dimensions for the S5-100U CPU module, essential for panel layout and physical integration.

Appendix C: Active and Passive Faults in Automation Equipment

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