Siemens SIMATIC S7-400 Configuration And Use Manual
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Siemens SIMATIC S7-400 Configuration And Use Manual

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SIMATIC
Automation System S7-400
Configuration and Use
System Description
This manual has the order number:
6ES7498-8AA00-8BB0
Edition 10/2005
A5E00442711-02
Preface, Contents
SIMATIC - an Overview
CPUs of the S7-400
Signal Modules of the S7-400
Technological Functions of the
S7-400
Interfaces, Networks and Data
Communication for the S7-400
Configuration Variants of the
S7-400
Programming the S7-400
Operator Control and Monitoring
with the S7-400
Standards, Certificates and
Approvals
Further Information
Index
1
2
3
4
5
6
7
8
9
10

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Summary of Contents for Siemens SIMATIC S7-400

  • Page 1 SIMATIC Preface, Contents Automation System S7-400 SIMATIC - an Overview Configuration and Use CPUs of the S7-400 System Description Signal Modules of the S7-400 Technological Functions of the S7-400 Interfaces, Networks and Data Communication for the S7-400 Configuration Variants of the S7-400 Programming the S7-400 Operator Control and Monitoring...
  • Page 2 Trademarks All names identified by ® are registered trademarks of the Siemens AG. The remaining trademarks in this publication may be trademarks whose use by third parties for their own purposes could violate the rights of the owner.
  • Page 3 • Decide which S7-400 CPU and modules are the best solution for you special application. When putting a SIMATIC S7-400 into operation, you will need the documentation package, ”S7-400 Programmable Controller”. Contents of this System Description This system description provides you with an overview of the S7-400 automation system.
  • Page 4 Preface Approvals Chapter 9 provides detailed information about approvals and standards. Position in the Information Landscape This system description can be separately ordered with the order number 6ES7498-8AA00-8AB0. Guide You can quickly access specific information in the manual by using the following aids: •...

  • Page 5: Table Of Contents

    Contents SIMATIC S7 - an Overview ..........SIMATIC S7 - a Few Highlights .
  • Page 6 Contents Interfaces, Networks and Data Communication for the S7-400 ... . . The Right Solution for Every Communication Task....Interfaces .
  • Page 7 Contents Figures An S7-400 configuration ......... . Arrangement of the S7-400 CPUs’...
  • Page 8 Contents Automation System S7-400 Configuration and Use viii A5E00442711-02...

  • Page 9: Simatic S7 - An Overview

    • The components with which you can assemble an S7-400. • The possible configuration variations of the SIMATIC S7-400 and their respective technical requirements. You should soon ”get a feeling” while reading the beginning of this brochure as to whether or not the capabilities of the S7-400 will provide a suitable technical solution for your automation tasks.

  • Page 10: Simatic S7 - A Few Highlights

    SIMATIC S7 - an Overview SIMATIC S7 - a Few Highlights SIMATIC - Trend Setter in Automation Engineering Three decades of innovation have not only made SIMATIC the global leader, it has also made it a synonym for programmable memory controllers. SIMATIC has not only influenced PLC engineering, it has also set the tone time and again as a trend setter.
  • Page 11 • SIMATIC S7-300, the modular small controller for the lower performance range. • SIMATIC S7-400, high-performance, optimized for systems in the middle and upper performance range. • The PC-based control system, the WinAC Slot version offers the functionality of S7-400 CPUs in PC plug-in cards.

  • Page 12: What Are The Features Of The S7-400

    SIMATIC S7 - an Overview What are the features of the S7-400? Optimized performance for every area of application This means the following: • A tiered CPU landscape • Upward compatible CPUs • Quick response times and large performance reserves •...

  • Page 13: Performance Characteristics Of The Automation Systems, As Of

    SIMATIC S7 - an Overview Special Applications The following SIMATIC S7-400 versions are available for special applications: • S7-400F, with CPU 416-2F for fail-safe applications. • The fault-tolerant S7-400H, with CPUs 414-4H and 417-4H for fail-safe applications. As the S7-400HF, this can also be used for fault-tolerant applications.

  • Page 14: An Overview Of S7-400 Components

    SIMATIC S7 - an Overview An Overview of S7-400 Components Introduction In order for the S7-400 to adapt to and fulfill each and every task, a tiered range of components varying in performance is available for a wide range of functions. All of these components are matched to one another and can therefore be easily integrated to form a complete system.
  • Page 15 SIMATIC S7 - an Overview Racks The various modules of the S7-400 automation system are inserted and fastened in a rack. The backplane bus of the rack is divided into two different bus systems: • I/O bus: The P bus is a parallel backplane bus, which is designed for fast exchange of input and output signals.

  • Page 16: S7-400 - Configuration Variants

    SIMATIC S7 - an Overview S7-400 - Configuration Variants Configuration Variants for various Automation Task There is a suitable solution for every automation task. This means to cover a large range of demands for quantity and connection with the process by choosing the appropriate configuration variant.

  • Page 17: Cpus Of The S7-400

    CPUs of the S7-400 Overview The following information is contained in this chapter: • A few of the exceptional features of the S7-400 CPUs. • A comparison of the areas of application and performance characteristics of these CPUs. Automation System S7-400 Configuration and Use A5E00442711-02...

  • Page 18: Cpus Of The S7-400 - System-Wide Compatibility

    CPUs of the S7-400 CPUs of the S7-400 - System-wide Compatibility Introduction There is a tiered range of CPUs within the S7-400. You can therefore select the most suitable and economic solution for your application. The following will describe a few of the features that the S7-400 CPUs have in common and exemplify the system-wide compatibility.
  • Page 19 CPUs of the S7-400 Uniform Displays The following applies to the status and error displays of the S7-400: • Identical errors are always displayed in the same way. • Identical displays are always located at the same location on the front of the module.

  • Page 20: Protection Levels Of A Cpu

    CPUs of the S7-400 Table 2-1 Protection levels of a CPU CPU function Protection level Protection level Protection level Displays of the block list Access allowed Access allowed Access allowed Tag monitoring Access allowed Access allowed Access allowed S7 communication Access allowed Access allowed Access allowed...
  • Page 21 CPUs of the S7-400 Integrated Functions The operating system of each CPU features the following integrated functions, which simplify the user program considerably: • Operating control and monitoring functions • Functions for communication • Functions for diagnostics • Functions for transmission of data records •...

  • Page 22: Performance Characteristics Of The Cpus

    CPUs of the S7-400 Performance Characteristics of the CPUs Introduction This chapter compares the performance characteristics of the S7-400 and S7-400H CPUs. Table 2-2 Performance Characteristics of the S7-400 CPUs 412-1 412-2 414-2 414-3 416-2 416-3 417-4 416-2F User memory •...

  • Page 23: Cpu Features Of The S7-400H

    CPUs of the S7-400 Table 2-2 Performance Characteristics of the S7-400 CPUs, continued 412-1 412-2 414-2 414-3 416-2 416-3 417-4 416-2F Structure • Number Expansion devices • Number DP master via CP maximum 10 • Number FM limited by number of slots and number of connections •...
  • Page 24 CPUs of the S7-400 Table 2-3 CPU features of the S7-400H, continued 414-4H 417-4H Execution times • Bit operations 0.06 µs 0.03 µs • Word operations 0.06 µs 0.03 µs • Fixed-point arithmetic 0.06 µs 0.03 µs • Floating-point 0.18 µs 0.09 µs arithmetic Memory bits, timers,...

  • Page 25: Memory Concept

    Buffering The CPUs of the SIMATIC S7-400 are buffered by the power supply module, enabling them to retain their entire memory contents if a power failure occurs. The power supply modules feature either one or two batteries. They can also be operated with a back-up battery, however.

  • Page 26: Multicomputing

    CPUs of the S7-400 Multicomputing Introduction Multicomputing mode is the simultaneous operation of several (maximum of four) CPUs in a single central controller of the S7-400. The CPUs involved automatically change their modes synchronously. In other words, they start up together and change to STOP mode together. The user program runs on each CPU irrespective of the user programs in the other CPUs.

  • Page 27: Configuration In Run

    CPUs of the S7-400 Configuration in Run Introduction The ability to modify the system during operation using CiR (Configuration in RUN) allows you to make certain changes to the configuration in the RUN mode. Processing is halted for a brief period in order to accomplish this. During this time, the process inputs retain their most recent value.

  • Page 28: Clock Synchronicity

    CPUs of the S7-400 Clock Synchronicity Introduction Clock synchronicity is the synchronous coupling of the signal detection and signal output via the distributed I/O and the program execution to the PROFIBUS clock pulse. Clock synchronicity is not available with the CPUs of the S7-400H. Advantages Clock synchronicity offers the following advantages: •...

  • Page 29: The Cpus S7-400H For Fault-Tolerant Controllers

    CPUs of the S7-400 The CPUs S7-400H for Fault-tolerant Controllers Introduction You use redundant automation systems to increase availability and avoid production losses. The higher the costs of a production standstill, the more worthwhile it is to use a fault-tolerant system. The investment costs associated with a fault-tolerant system is quickly offset by the savings resulting from decreased production downtime.
  • Page 30 CPUs of the S7-400 Linking and Synchronizing There are two methods for linking and synchronizing: • In a “normal” link and synchronization procedure, the fault-tolerant system should change from single mode to redundant system mode. The two CPUs then process the same program synchronously. •...
  • Page 31 CPUs of the S7-400 Self-test Disruptions or errors have to be detected, located and reported as quickly as possible. Consequently, wide-ranging self-test functions have been implemented in the S7-400H that run automatically and entirely in the background. The following components and functions are tested: •...
  • Page 32 CPUs of the S7-400 Redundant Digital Output Modules The fault-tolerant control of an actuator can be achieved by connecting two outputs of two digital output modules in parallel Redundant Analog Output Modules You can redundantly operate analog output modules with power outputs. The value to be output is halved and each module outputs one half of the value.

  • Page 33: Compatible Automation Solutions With Simatic

    CPUs of the S7-400 System-wide Compatibility The S7-400H automation system and all other SIMATIC components such as the SIMATIC PCS7 control system are perfectly matched. Full system compatibility, from the control console to the sensors and actuators, guarantees maximum system performance. Server Server Engineering...

  • Page 34: Cpu 416F For Fail-Safe Controlling (Distributed Safety)

    CPUs of the S7-400 CPU 416F for Fail-safe Controlling (Distributed Safety) Introduction Fail-safe, S7 Distributed Safety is used in the area of machine and personnel protection (for example, for emergency stop devices for machining and processing equipment) and in the process industry (for example, for implementation of protection functions for small instrumentation and control devices and small burners).
  • Page 35 CPUs of the S7-400 Hardware Components The hardware components of an S7 Distributed Safety include the following: • F-capable CPU, e. g. CPU 416-2F • Fail-safe I/O In addition, the F-system can be expanded with standard components of the S7-400. Software Components The software components of an S7 Distributed Safety include the following: •...

  • Page 36: The Cpus 41Xh For Fail-Safe And Fault-Tolerant Controllers (F/Fh Systems)

    CPUs of the S7-400 The CPUs 41xH for Fail-safe and Fault-tolerant Controllers (F/FH Systems) Introduction Fail-safe S7 F/FH systems are used in process engineering and instrumentation and control systems in which a safe state can be attained by switching off the fail-safe outputs.
  • Page 37 CPUs of the S7-400 Hardware Components An F-System consists of hardware components that fulfill certain safety requirements, such as: • A CPU, such as the CPU 417-4H, with an F-copy license • F-I/Os You can also expand the F--System with standard components. Software Components The software components of a S7 F-System include the following: •...
  • Page 38 CPUs of the S7-400 Automation System S7-400 Configuration and Use 2-22 A5E00442711-02...

  • Page 39: Signal Modules Of The S7-400

    Signal Modules of the S7-400 Overview The following information is contained in this chapter: • Configuration of the S7-400 signal modules using STEP 7 on the programming device. • Addressing the S7-400 signal modules. • An overview of the S7-400 signal modules with their most important performance characteristics.

  • Page 40: Signal Modules

    Signal Modules of the S7-400 Signal Modules Introduction There are numerous signal modules for the S7-400 automation system. You can therefore select the most suitable and economic solution for your application. Digital and Analog Modules Digital and analog modules are collectively referred to as ”signal modules” (SM). The ’SM’...

  • Page 41: Assigning Parameters To Signal Modules

    Signal Modules of the S7-400 Assigning Parameters to Signal Modules Introduction In this chapter you will learn more about the options available for configuring and assigning parameters to the modules of SIMATIC S7. Parameter Assignment with Software STEP 7 enables you to easily enter all parameters in guided dialogs. For example, the measurement range for analog modules is set using STEP 7.

  • Page 42: Addressing Signal Modules

    Signal Modules of the S7-400 Addressing Signal Modules Introduction The address ranges of the S7-400 are adapted to the requirements for easy-to-operate, high-performance controllers. In this chapter, you will learn which address areas are used for SIMATIC S7 and how the addresses are assigned. Address Ranges The following address ranges are used for working with SIMATIC S7: •...

  • Page 43: Overview Of The Performance Characteristics Of The Signal Modules

    Signal Modules of the S7-400 Overview of the Performance Characteristics of the Signal Modules Introduction Varying signal types (analog and digital) and signal levels (voltage levels) of the actuators and sensors required different signal modules to process the signals in the CPU.

  • Page 44: Performance Characteristics Of The Digital Modules

    Signal Modules of the S7-400 Performance Characteristics of the Digital Modules Table 3-1 provides an overview of the performance characteristics of the S7-400 digital modules. Table 3-1 Performance Characteristics of the Digital Modules Module Performance characteristics Digital input module SM 421 •...
  • Page 45 Signal Modules of the S7-400 Table 3-1 Performance Characteristics of the Digital Modules, continued Module Performance characteristics Digital input module SM 422 • DO 16 x 24 V DC / 2 A 16 outputs, isolated in 2 groups of 8 •...

  • Page 46: Performance Characteristics Of The Analog Modules

    Signal Modules of the S7-400 Performance Characteristics of the Analog Modules Table 3-2 provides an overview of the performance characteristics of the S7-400 analog modules. Table 3-2 Performance Characteristics of the Analog Modules Module Performance characteristics Analog input module SM 431 AI 8 x 13 Bit All-purpose and easy to use module which is sufficient for many automation technology applications.
  • Page 47 Signal Modules of the S7-400 Table 3-2 Performance Characteristics of the Analog Modules, continued Module Performance characteristics AI 16 x 13 Bit Simple module for current and voltage measurement, offers high channel density at a very low channel price. 6ES7431-0HHxx-0AB0 •...
  • Page 48 Signal Modules of the S7-400 Table 3-2 Performance Characteristics of the Analog Modules, continued Module Performance characteristics AI 8 x 16 Bit This module makes high-speed acquisition of temperatures via thermocouple (TC) possible, Every channel has its own A/D 6ES7431-7KF0x-0AB0 converter and the basic conversion time is therefore independent of the number of active channels.

  • Page 49: Technological Functions Of The S7-400

    Technological Functions of the S7-400 Overview The following information is contained in this chapter: • The technological functions provided by the function modules • The technological functions provided by the software package Automation System S7-400 Configuration and Use A5E00442711-02...

  • Page 50: S7-400 - The Right Solution For Every Technological Task

    Technological Functions of the S7-400 S7-400 - The Right Solution for Every Technological Task Introduction Automation tasks with high technological requirements demand special solutions that can be simply and economically integrated into the system. For the S7-400 automation system, the available function modules can handle even the most complex process because that are specialized for specific tasks.

  • Page 51: Function Modules - The Specialists

    Technological Functions of the S7-400 Function Modules - the Specialists Introduction Function modules enable you to find fast solutions for complex technological tasks. The function modules use the same address ranges and are configured in the same way as signal modules using STEP 7. Function modules are offered for the following application areas: •...
  • Page 52 Technological Functions of the S7-400 Advantages The realization of technological functions using function modules offers the following advantages: • Tasks do not depend on the CPU and are therefore processed independent of the cycle time. • Economic solutions • Uniform configuration of all function modules using STEP 7 reduces engineering costs •...

  • Page 53: Counting With The Fm

    Technological Functions of the S7-400 Counting with the FM 450-1 Introduction You can use the intelligent counter module, FM 450-1, for a wide range of high-frequency counting tasks. It provides the following features to relieve the load on the CPU: •...

  • Page 54: Controlled Positioning With The Fm 451

    Technological Functions of the S7-400 Controlled Positioning with the FM 451 Introduction The FM 451 positioning module is used to set and position mechanical axes with the rapid/creep method. It provides the following features to relieve the load on the CPU: •...

  • Page 55: Cam Controlling With The Fm

    Technological Functions of the S7-400 Cam Controlling with the FM 452 Introduction The FM 452 is an electronic cam controller that triggers functions based on position or time. It provides the following features to relieve the load on the CPU: •...

  • Page 56: Controlled Positioning With The Fm 453

    Technological Functions of the S7-400 Controlled Positioning with the FM 453 Introduction The FM 453 is a positioning module for servo-controlled positioning with stepping motors and servomotors. It provides the following features to relieve the load on the CPU: • Actual-value acquisition and servo-control positioning •...

  • Page 57: Controlling With The Fm

    Technological Functions of the S7-400 Controlling with the FM 455 Introduction The FM 455 is a universal controller module. The FM 455C is a continuous controller for controlling analog actuators and the FM 455S is a step controller for controlling motor-driven actuators. The FM 455 provides the following features to relieve the load on the CPU: •...
  • Page 58 Technological Functions of the S7-400 Performance characteristics of the FM 455 The FM 455 has the following performance characteristics: • Number of controllers: -- 16 independent controllers in 16 channels • Inputs and outputs -- 16 digital inputs -- 32 digital outputs on the FM 455S -- 16 analog inputs -- 16 analog outputs on the FM 455C -- 1 reference junction input for compensation of thermocouples...

  • Page 59: High-Dynamic Closed-Loop Positioning With The Fm 458-1 Dp

    Introduction With the FM 458-1 DP application module you can configure high-performance controlling and technological applications in a SIMATIC S7-400. Together with two additional plug-in expansion modules, the FM 458-1 DP allows the implementation of a a large number of high-dynamic applications, especially drive-related applications.
  • Page 60 Technological Functions of the S7-400 Expansion Module EXM 438-1 The EXM 438-1 I/O expansion module provides the following additional inputs and outputs as well as interfaces for incremental and absolute value encoders: • 16 digital inputs, 24 V • 8 digital outputs, 24 V •...

  • Page 61: Software Solutions

    Technological Functions of the S7-400 Software Solutions Introduction Some automation tasks can be quickly and easily solved by integrating blocks in the CPU. It is important within this context for the adopted solution to be supported by a user-friendly graphic interface. This chapter gives you an overview of the numerous solutions for technological tasks provided by software packages.
  • Page 62 Technological Functions of the S7-400 Modular PID Control Modular PID Control consists of a set of function blocks (FBs) that contain algorithms for generating control engineering functions. You can assemble your controller structure my interconnected individual blocks. The block library is supplemented by a number of ready-to-use controller structures (single-loop fixed setpoint controller, ratio controller etc.) in the form of examples.
  • Page 63 Technological Functions of the S7-400 PID Temperature Control PID Temperature Control consists of two function blocks (FBs), which contain the algorithms for generating control and signal-processing functions for temperature controllers. The respective blocks are used to assemble the following controllers: •...
  • Page 64 Technological Functions of the S7-400 PMC (Process Monitoring and Controlling) Many operating and monitoring functions demand signals to be monitored and messages to be displayed when they change. This functionality can be quickly and easily realized with this software package. In the configuration phase you determine which binary signals should be monitored for change, whether it be inputs, outputs, memory bits or data bits.

  • Page 65: Interfaces, Networks And Data Communication For The S7-400

    Interfaces, Networks and Data Communication for the S7-400 In this Chapter The following information is contained in this chapter: • The connection of multiple automation systems via the MPI interface of the CPU. An example is provided to show how easy it is to realize data communication among three central controller modules.

  • Page 66: The Right Solution For Every Communication Task

    Interfaces, Networks and Data Communication for the S7-400 The Right Solution for Every Communication Task. Introduction The demands placed on modern automation systems can no longer be met by centralized solutions alone. But relying on autonomous systems and subsystems brings problems of data communication among the individual units. Communication Solutions S7-400 offers numerous solutions for communication.

  • Page 67: Interfaces

    Interfaces, Networks and Data Communication for the S7-400 Interfaces 5.2.1 MPI - the Interface with Numerous Functions What is an interface with multi-point capability? An interface with multi-point capability allows you to connect multiple devices, which then can communicate amongst themselves. The abbreviation ”MPI” stands for ”Multi-Point Interface”.

  • Page 68: Example Of A Mpi Network

    Interfaces, Networks and Data Communication for the S7-400 Simple Access to Multiple Devices Figure 5-1 shows an example of a ”multi-point” application. Several operator panels (OPs) are connected to the S7-400 automation systems via the MPI interface. You can also connect a programming device without having to remove the operator panel.

  • Page 69: Configuration Of An Mpi Network

    Interfaces, Networks and Data Communication for the S7-400 Simple Access to all Modules The multi-point interface enables central access to all programmable modules within a configuration. Additional cabling is not required, for example, in order to access the data of a CP from a programming device. Maximum Distance The distance between the communication partners is determined by the length of the cable.

  • Page 70: I/O Interface Via Profibus Dp

    Interfaces, Networks and Data Communication for the S7-400 5.2.2 I/O Interface via PROFIBUS DP Introduction The flexibility of a controller is a crucial factor for the productivity of a manufacturing plant. To achieve the highest degree of flexibility, complex control tasks can be grouped and distributed to several devices.

  • Page 71: Characteristics Of Profibus Dp

    Interfaces, Networks and Data Communication for the S7-400 DP slaves Numerous stations are available as DP slaves, for example: • Distributed I/O from the ET 200 series • Drives (power converters, frequency converters) • CNC controllers • Standard slaves from other manufacturers Characteristics of PROFIBUS DP Table provides you with an overview of the characteristics of the PROFIBUS DP.

  • Page 72: I/O Interface Via Profinet Io

    Interfaces, Networks and Data Communication for the S7-400 Example of a PROFIBUS DP Configuration Figure 5-5 shows an example of a PROFIBUS DP configuration with devices from the SIMATIC S7, SIMATIC S5 and ET 200 series. The S7-400 is the DP master in this configuration, all other devices are DP slaves.

  • Page 73: Characteristics Of Profinet Io

    Interfaces, Networks and Data Communication for the S7-400 PROFINET IO PROFINET is an open and vendor-independent Industrial Ethernet standard for automation. PROFINET IO allows you to connect I/O directly to Industrial Ethernet. Typical Configuration PROFINET IO operates with a provider-consumer model. The provider is the sender, who transmits his data without request from the communication partner.

  • Page 74: Example Of A Profinet Io Configuration

    Interfaces, Networks and Data Communication for the S7-400 Table 5-3 Characteristics of PROFINET IO, continued Transmission medium Shielded two-wire cables or fiber-optic cables (glass or plastic) Cable length between network components Two-wire cable: Max. 100 m or between terminals and network Multimode fiber-optic cable: 3000 m components Monomode fiber-optic cable: Max.

  • Page 75: From Point-To-Point: Cp 440, Cp441-1 And Cp

    Interfaces, Networks and Data Communication for the S7-400 5.2.4 From point-to-point: CP 440, CP441-1 and CP 441-2 Introduction The point-to-point connection is a high-performance, economic alternative to the bus systems. It enables the connection of barcode readers, scales and displays, for example.

  • Page 76: Data Exchange Via Communication Functions

    Interfaces, Networks and Data Communication for the S7-400 Data Exchange via Communication Functions Introduction Data exchange via a variety of bus systems, such as MPI and Industrial Ethernet, PROFIBUS DP or point-to-point connection can be triggered and controlled in the user program.
  • Page 77 Interfaces, Networks and Data Communication for the S7-400 SFCs for S7 Basic Communication via an S7 Station You can access all communication partners that can be addressed via the I/O addresses of a station (e.g. FM 355) with these communication SFCs. The links to the communication partners are dynamically established when the SFCs are called.
  • Page 78 Interfaces, Networks and Data Communication for the S7-400 Description SFB 19 START This triggers a restart or complete restart for a CPU when it is in the STOP state. SFB 20 STOP Brings a CPU to STOP when it is in the RUN, HALT or starting state. SFB 21 RESUME This triggers a warm restart for an S7-400 CPU when it is in the STOP state.
  • Page 79 Enables external data access FBs for Standard Communication (FMS) These FBs are used for the exchange of data with non-Siemens systems on PROFIBUS DP using open communication on Layer 7 of the ISO reference model according to the PROFIBUS standard. Data volumes of up to 237 bytes can be transferred.
  • Page 80 SFBs for Point-to-Point Connections Using the point-to-point connection via CP 441, you can link to all communication partners that can handle the 3964(R), RK 512 or ASCII procedures. Non-Siemens protocols are implemented with loadable drivers. The communication SFBs require a point-to-point connection configured with STEP 7.

  • Page 81: Configuration Variants Of The S7-400

    Configuration Variants of the S7-400 Overview The following information is contained in this chapter: • The structural design of the SIMATIC S7-400. • The most important components for the configuration of an S7-400. • How easily you can wire and exchange modules.

  • Page 82: The Structural Design Of The S7-400 - Simple And Modular

    Configuration Variants of the S7-400 The Structural Design of the S7-400 - Simple and Modular Introduction The modular structural design of the SIMATIC S7-400 makes it flexible, user-friendly and capable of expanding to meet the requirements of your automation task. Structural Design All modules of the S7-400 are simply plugged into and bolted to a module rack.

  • Page 83: An Overview Of S7-400 Components

    Configuration Variants of the S7-400 An Overview of S7-400 Components Introduction The S7-400 has a simple modular design. The most important components of an S7-400 are described in this chapter. Component Function Image Racks Racks provide the mechanical (UR = Universal Rack) and electrical connections be- (CR = Central Rack) tween the S7-400 modules.
  • Page 84 Configuration Variants of the S7-400 Component Function Image PROFIBUS bus cable PROFIBUS bus cables connect CPUs and programming devices. Programming device cable Programming device cables con- nect a CPU with a programming device. PROFIBUS components PROFIBUS components con- e.g. PROFIBUS bus terminal nects an S7-400 to other S7-400s or programming de- vices.

  • Page 85: Connection System Of S7-400 Signal Modules

    Configuration Variants of the S7-400 Connection System of S7-400 Signal Modules Introduction This chapter describes how you can quickly and easily establish S7-400 connections to sensors and actuators. Wiring with Front Connectors You can use front connectors to wire the S7-400. The connection between the signal modules of your S7-400 and the sensors and actuators of your plant is performed in two steps: 1.
  • Page 86 Configuration Variants of the S7-400 Advantages Wiring the S7-400 with front connectors offers you the following advantages: • Front connectors allow you to use pre-assembled cables. • You save time and money during assembly. • The capability to pull and plug a completely wired front connector makes exchanging modules fast and easy.

  • Page 87: S7-400 Assembly In A Rack

    Configuration Variants of the S7-400 S7-400 Assembly in a Rack Introduction Regardless of the S7-400 CPU you decide to use, you can equip the module rack where the CPU is located with up to 16 other modules in addition to the CPU and the power supply module.

  • Page 88: Segmented And Split Rack

    Configuration Variants of the S7-400 Segmented and Split Rack Introduction The S7-400 allows you to install two CPUs in one rack and thereby centrally control two processes independently. Two Central Controllers in a Segmented Rack Segmented racks makes it possible to install two CPUs in a single rack. The I/O bus is divided into two segments in such a rack.

  • Page 89: Split Rack

    Configuration Variants of the S7-400 Two CPUs in a Split Rack With split racks, the I/O bus and communication bus are divided into two segments. A CPU can be installed in each segment. Functionally, a split rack represents two electrically isolated racks on the same mounting rail.

  • Page 90: S7-400 Assembly In Multiple Racks

    Configuration Variants of the S7-400 S7-400 Assembly in Multiple Racks Introduction If you need more than 16 modules (signal, function and communication modules) in your automation task, you can install the S7-400 in multiple racks and interconnect them using interface modules (IM). Remote interfacing and local interfacing are used to assemble an S7-400, depending on the interface modules used to connect the expansion devices with the central controller.
  • Page 91 Configuration Variants of the S7-400 Interfacing Rules Interface modules are divided into send IMs and receive IMs A send IM sends signals to the connected expansion device, the corresponding receive IM receives and forwards the signals. The following rules apply to connecting interface modules: •...
  • Page 92 Configuration Variants of the S7-400 Interfacing Options for Central Controllers and Expansion Devices IM 460-4 IM 460-3 IM 460-1 IM 460-0 Central controller CC Expansion without 5-V-transfer in local area Expansion device ED 1 Expansion device ED 4 IM 461-0 IM 461-0 Max.

  • Page 93: Mounting Dimensions Of An S7-400 Assembly

    Configuration Variants of the S7-400 Mounting Dimensions of an S7-400 Assembly Introduction This chapter describes the varying mounting dimensions of an S7-400 assembly. Mounting height The mounting height of an S7-400 assembly is determined by the height of the rack. The height of the rack is 290 mm. Special Height If you use a fan subassembly or a cable duct in a rack, the mounting height of the rack increases by the mounting height of these components.

  • Page 94: Minimum Clearance For An S7-400 Assembly

    Configuration Variants of the S7-400 Clearance for a Complete Assembly Figure 6-6 shows the minimum clearance between adjacent equipment, cabinet walls, etc., required for a standard S7-400 assembly with a single rack containing 18 slots. 40 mm 10 11 12 13 14 15 16 17 18 20 mm 20 mm 22 mm...

  • Page 95: Grounded / Ungrounded S7-400 Configurations

    Configuration Variants of the S7-400 Grounded / Ungrounded S7-400 Configurations Introduction Depending on the requirements in the plant, you can build the S7-400 with either grounded or ungrounded reference potential. Application You should usually select a grounded configuration. A grounded configuration guarantees a high degree of interference immunity.

  • Page 96: Utilities For Configuring And Assigning Parameters To An S7-400 Assembly

    Configuration Variants of the S7-400 Utilities for Configuring and Assigning Parameters to an S7-400 Assembly Introduction One task involved in configuring a plant is assigning parameters to the hardware of the automation system. Increasingly complex automation tasks require more and more effort to configure.

  • Page 97: Programming The S7-400

    Programming the S7-400 Overview This chapter provides you with information about the system software, STEP 7. STEP 7 is used for programming, configuring, assigning parameters, testing and performing diagnostics for the S7-400. It also provides you with information about the programming devices and PCs in use.

  • Page 98: Step 7 - The Programming Package For S7-400

    Programming the S7-400 STEP 7 - the Programming Package for S7-400 Introduction The software for programming, testing and commissioning SIMATIC S7 is called STEP 7. STEP 7 comes in programming packages for different ranges of performance. Software User Interface STEP 7 runs under the MS Windows 2000 Professional and MS Windows XP Professional operating systems and is adapted to their graphic, object-oriented operation style.
  • Page 99 Programming the S7-400 Program and Data Storage Projects are used to store the data and programs which are created when you put together an automation solution. The data collected together in a project include: • Configuration data on the hardware structure and parameters for modules •...

  • Page 100: Programming Devices For Simatic S7

    Programming the S7-400 Programming Devices for SIMATIC S7 Introduction A programming device (PG) is a special industrial-grade personal computer with a compact design. It is fully equipped for programming SIMATIC automation systems. Characteristics of the Programming Devices A PG or PC with the meeting the following requirements is needed to work effectively with STEP 7: PG/PC Properties Recommendation...

  • Page 101: Convenient Testing And Diagnostic Options

    Programming the S7-400 Convenient Testing and Diagnostic Options Testing Functions SIMATIC S7 provides convenient testing functions for testing the user program. You can monitor both the block status and the variable status. The test functions allow you to perform quick commissioning and easily locate errors.
  • Page 102 Programming the S7-400 Diagnostics Buffer A diagnostics buffer in the CPU is available for evaluating the history of diagnostic events. The size of this diagnostics buffer depends on the type of CPU used Example: A CPU with a diagnostics buffer for 200 diagnostic entries show the last 200 diagnostics entries.

  • Page 103: Operator Control And Monitoring With The S7-400

    Operator Control and Monitoring with the S7-400 Overview This chapter provides you with information about the operator control and monitoring devices for S7-400 and their easy and convenient operation. Automation System S7-400 Configuration and Use A5E00442711-02...

  • Page 104: Convenient Operator Control And Monitoring Of Complex Processes With Simatic Hmi

    Operator Control and Monitoring with the S7-400 Convenient Operator Control and Monitoring of Complex Processes with SIMATIC HMI Introduction The more complex automation processes are, the more important a process-based ”human-machine interface” becomes. SIMATIC HMI is a mature system for convenient process control and monitoring.

  • Page 105: Standards, Certificates And Approvals

    Standards, Certificates and Approvals In this Chapter This chapter describes the standards, certificates and approvals maintained and fulfilled by the modules and components of the S7-400 automation system. Warning This chapter describes the standards, certificates and approvals. You will find the current approvals on the rating plate of the respective products.
  • Page 106 • 94/9/EC ”Equipment and protective systems intended for use in potentially explosive atmospheres” (Explosion Protection Directive) The EC declarations of conformity are kept available for the responsible authorities at the following address: Siemens Aktiengesellschaft Automation and Drives A&D AS RD ST P.O. Box 1963...

  • Page 107: Use In Industrial Environment

    Standards, Certificates and Approvals EMC Guidelines SIMATIC products are designed for use in industrial environment. Table 9-1 Use in industrial environment Area of application Requirement for Emitted interference Immunity to interference Industry EN 61000-6-4 : 2001 EN 61000-6-2 : 2001 Low Voltage Directive Modules and components of the S7-400 subject to the low voltage directive fulfill the EU directive 73/23/EEC.
  • Page 108 Standards, Certificates and Approvals CSA Approval CSA Certification Mark Canadian Standard Association (CSA) according to Standard C 22.2 No. 142: • Certification Record 212191-0-000 cULus Approval Underwriters Laboratories Inc. according to S UL 508 (Industrial Control Equipment) S CSA C22.2 No. 142 (Process Control Equipment) or cULus Approval, Hazardous Location CULUS Listed 7RA9 INT.
  • Page 109 Standards, Certificates and Approvals or cULus Approvals, Hazardous Location for Relay Modules CULUS Listed 7RA9 INT. CONT. EQ. FOR HAZ. LOC. Underwriters Laboratories Inc. according to S UL 508 (Industrial Control Equipment) HAZ. LOC. S CSA C22.2 No. 142 (Process Control Equipment) S UL 1604 (Hazardous Location) S CSA-213 (Hazardous Location) APPROVED for Use in...
  • Page 110 Standards, Certificates and Approvals Marine Type Approval Classification organizations: • ABS (American Bureau of Shipping) • BV (Bureau Veritas) • DNV (Det Norske Veritas) • GL (Germanischer Lloyd) • LRS (Lloyds Register of Shipping) • Class NK (Nippon Kaiji Kyokai) Safety Requirements for Installation The S7-400 automation systems are “open type”...

  • Page 111: Further Information

    Documentation in the Internet The guide to the collection of technical documentation for individual SIMATIC products and systems is available at: http://www2.automation.siemens.com/simatic/portal/html_00/techdoku.htm You can download manuals there free of charge. The online catalog and the online ordering system is located at: http://www2.automation.siemens.com/simatic/controller/html_00/ecommerce/ecom...
  • Page 112 Further Information Manual Collection All SIMATIC manuals are available in electronic form in the SIMATIC Manual Collection. It provides fast access to information for commissioning and servicing, and for office use where you can save the space often required by paper documents.
  • Page 113 Index Data storage, 7-3 Diagnostics, 3-5, 7-5 Address ranges, 3-4 Diagnostics Buffer, 2-5 Diagnostics buffer, 7-6 Analog module, 3-2 Digital module, 3-2 Analog modules, Performance characteristics, Digital modules, Performance characteristics, Approval DIN V 19250/DIN V VDE 0801, 2-18 CSA, 9-4 Displays, 2-3 UL, 9-3 Distributed I/O, 5-7...
  • Page 114 Index FM 453 Functions:, 4-8 Manual, Purpose, iii Performance characteristics, 4-8 Manual package, iv FM 455 Marine type approval, 9-6 Functions:, 4-9 Mobile panel, 8-2 Performance characteristics, 4-10 Modular PID Control, 4-14 FM 458--1 DP Mounting depth, 6-13 Configuration, 4-11 Mounting height, 6-13 Functions, 4-11 MPI interface, 5-3...
  • Page 115 Index Standards, 9-2 Statement List, 7-3 Racks, 1-7, 6-3, 6-7 Status displays, 2-3 Segmented, 6-8 STEP 7, 7-2 Split, 6-9 STL, 7-3 Redundant I/O, 2-15 Structural design, 6-2 Reference potential, 6-15 Structure Remote interfacing, 6-10 Grounded, 6-15 Required level of knowledge, iii Ungrounded, 6-15 Retention, 2-9 Structured Control Language, 7-3...

  • Page 116: Index

    Index Automation System S7-400 Configuration and Use Index-4 A5E00442711-02...

Table of Contents