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PLCs: Siemens

Siemens SIMATIC Modular PLCs 260

This class provides a brief description of the different varieties of SIMATIC PLCs and a more in-depth overview of Modular PLCs in particular.

Difficulty Intermediate
Format Online
Number of Lessons 16
Language English

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Objectives
Siemens SIMATIC Modular PLCs
SIMATIC S7-1200 PLCs
SIMATIC S7-1200 PLC Options
SIMATIC S7-1500 PLCs
SIMATIC S7-1500 PLC Modules
SIMATIC S7-1500 PLC Options
SIMATIC S7-200 PLCs
SIMATIC S7-300 PLCs
SIMATIC S7-300 PLC Modules
SIMATIC S7-400 PLCs
SIMATIC S7-400 PLC Options
SIMATIC ET 200 Distributed I/O with Integrated CPU
SIMATIC ET 200S
SIMATIC ET 200pro
Summary

Explain the different varieties if SIMATIC PLCs and Modular PLCs.
Describe SIMATIC S7-1200 PLCs.
Describe SIMATIC S7-1500 PLCs.
Describe SIMATIC S7-200 PLCs.
Describe SIMATIC S7-300 PLCs.
Describe SIMATIC S7-400 PLCs.
Explain the purpose of SIMATIC ET 200 Distributed I/O with Integrated CPU.
Explain the function and design of SIMATIC ET 200 S.
Explain the function and design of SIMATIC ET 200pro.

Vocabulary Term

Definition

absolute encoder

A position sensor that provides a signal that indicates the current position of the encoder shaft.

AS-Interface

AS-i. A communication system designed for actuator-sensor communication. AS-I is endorsed by the AS-International Association and often is used where individual actuators and sensors are distributed throughout a machine or factory.

backplane bus

A type of bus with components that connect to each other using a group of parallel connectors. SIMATIC S7-1500 PLCs have modules that communicate with a backplane bus.

Boolean logic

A branch of mathematics that analyzes true and false conditions and uses expressions with logic functions such as OR, AND, and NOT.

closed-loop control

A type of control system that automatically corrects for the difference between an actual condition, as indicated by a sensor, and the desired condition.

DIN rail

A rail used for mounting control components.

Embedded controllers

A type of Siemens PLC. Embedded controllers combine software and hardware that are preconfigured for automation tasks.

field buses

A type of industrial network that uses distributive control. Communication modules can be added to modular PLCs to allow for field bus communication.

General Packet Radio Service

GPRS. A wireless communication method often used for cellular communication.

HMI

Human machine interface. A device or system that displays machine or process information and provides a means for entering control information.

incremental encoder

A position sensor that generates pulses to indicate changes in position of the encoder shaft.

instruction set

The instructions available for programming a computer such as a PLC.

LOGO! Logic Modules

A type of Siemens PLC. LOGO! Logic Modules perform small-scale automation tasks.

Modular PLCs

PLCs assembled from modules. Some modules perform required functions and other modules perform the additional functions needed for an application.

modules

Assemblies of components designed for perform a specific set of functions. Modules can be added to modular PLCs to meet application requirements for power, input/output, communications, and special functions.

motion control

A type of application or system used to control the movement of machine elements.

PC-based controllers

Industrial personal computers with control software.

PROFIBUS DP

A type of PROFIBUS field bus used for factory automation. PROFIBUS DP uses open standards of PROFIBUS and PROFINET International.

PROFINET

The open Industrial Ethernet standard of PROFIBUS and PROFINET International. The most widely-used form of PROFINET is PROFINET IO.

safety applications

Applications used to ensure the functional safety of machines or plants.

scalable configuration

A configuration that allows for growth through the use of added hardware and/or software.

serial communication

Transmitting and receiving data one bit at a time using one signal line for transmission and another one for receiving. Serial communication is the most basic form of communication used by PLCs.

SIMATIC ET 200pro

A type of Siemens distributed PLC I/O system that can be used with or without an integrated CPU.

SIMATIC ET 200S

A type of Siemens distributed PLC I/O system that can be used with or without an integrated CPU.

SIMATIC S7-1200