Siemens SIMATIC Modular PLC

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SIMATIC Modular PLC'S

Chapter - 11

• SIMATIC modular PLC'S are optimized for control tasks and can be adapted to meet application requirements by adding modules for Power, Input/Output (I/O), Communications, and Special functions.

• Siemens products in this category are listed as follows and shown in accompanying figure.

SIMATIC S7-300

SIMATIC S7-400

SIMATIC S7-1200

SIMATIC S7-1500

SIMATIC ET 200 with integrated CPU

• Each of these PLC models is available in a variety of configurations and with many options.

SIMATIC S7-300 PLC'S

• SIMATIC S7-300 PLC'S have a space-saving modular design. S7- 300 CPU'S are available in 

Standard

Compact (C)

Failsafe (F) and

Technology (T) versions

S7 - 300 Compact CPU's

• Standard S7-300 CPU'S range from the CPU 312 designed for entry- level applications to CPU 319-3 PN/ DP designed for the highest performance range.

• Some standard CPU'S, like CPU 315-2 PN/DP shown in the accompanying graphic, have integrated PROFINET and PROFIBUS DP ports. S7-300 Compact CPU'S, shown here, have on board I/O and technology functions.

• The specific technology functions included depend on the CPU model, but high-speed counting and pulse generation are examples of functions included in all models.

• S7-300 Failsafe CPU'S are used in applications where it is essential to guarantee the functional safety of machines or plants.
  

• They satisfy maximum safety requirements and comply with the relevant international standards.

• S7-300 Technology CPU'S have built-in features for motion control applications.

SIMATIC S7-400 PLC'S

• S7-400 PLC'S have high processing speeds and are especially suitable for data-intensive tasks such as coordinating overall plants and controlling lower-level systems. S7- 400 CPU'S are available in

Standard

Failsafe (F) and

High-availability (H) versions.

• Standard S7-400 CPU'S range from CPU 412-1 in the medium performance range to CPU 417-4, which is designed for the high performance range.

• As shown in the accompanying graphic, S7- 400 CPU'S install in a rack along with other modules.

• S7-400 Failsafe CPU'S, including CPU 416F-3 shown in the accompanying graphic, are used in applications where it is essential to guarantee the functional safety of machines or plants.

• S7-400 High-availability CPU'S incorporate early fault detection features and diagnostic capabilities and CPU redundancy that minimize the probability of system failures.
  

• In the event of a CPU failure, the redundant CPU takes over the process.

Chapter 12 we will discuss about SIEMENS SIMATIC S7 1200 , SIMATIC S7 1500 , PLC'S

    SIEMENS PLC Class for Beginners

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