Central processing units Siemens

Область применения



Numerous CPUs with differing performance ranges are available for SIMATIC S7-400:

  • CPU 412-1, CPU 412-2 und CPU 412-2 PN:
    For smaller plants in the mid-performance range.
  • CPU 414-2, CPU 414-3, CPU 414-3 PN/DP:
    For medium-sized plants with additional requirements for program scope, processing speed, and communication.
  • CPU 416-2, CPU 416-3, CPU 416-3 PN/DP:
    For plants with high requirements in the top-end performance range.
  • CPU 417-4 DP:
    For plants with the most stringent requirements in the top-end performance range.
  • CPU 412-5H, CPU 414-5H, CPU 416‑5H and CPU 417-4H:
    For SIMATIC S7-400H and S7-400F/FH.
  • CPU 414F-3 PN/DP, CPU 416F-2 and CPU 416F-3 PN/DP:
    For constructing a fail-safe automation system for plants with increased safety requirements.

Обзор


  • 10 different CPUs for S7-400
  • 4 CPUs for S7-400H and S7-400F/FH
  • 3 fail-safe CPUs for S7-400F
  • Graded performance for a wide range of different applications

Дизайн



All CPUs have a plastic housing in which the control and display elements are integrated identically for all CPUs. Identical elements have identical functions.

On the front, there are:

  • LEDs:
    For status and error indication.
  • Toggle switches:
    For selecting the operating modes.
  • Slot for a memory card (expansion of the load memory).
  • Combined MPI/DP interface.
  • Integrated PROFIBUS DP interface (not CPU 412-1).
  • Battery infeed socket:
    For external supply of the battery backup voltage.

All CPUs apart from the entry level CPU 412-1 and CPU 412-2 PN have:

  • PROFIBUS DP interface:
    For interfacing to distributed I/O. Depending on the configuration, it can even be used for communication with an OP or programming device/PC.

In addition, the CPU 412-2 PN, CPU 414-3 PN/DP, CPU 414F-3 PN/DP, CPU 416-3 PN/DP and the CPU 416F-3 PN/DP offer PROFINET connection options. Each of these modules has a PROFINET interface with 2 ports (switch).

The top-end CPUs also have:

  • Spare slots for PROFIBUS DP interface modules:
    For connecting further DP lines.

Otherwise the CPUs only differ with regard to their quantity structure, e.g. RAM, address range, number of loadable blocks, and execution time.

Функции



Memory concept

All CPUs of S7-400 feature two types of memory. This subdivision of work memory increases performance by 100%. Where a standard processor accesses its RAM at least twice, the S7-400 special processor accesses the code memory and data memory simultaneously in one cycle. There are also separate code and data buses for this purpose. The size of the work memory is determined by the appropriate CPU selected from the finely graded CPU spectrum.

For small and medium programs, the integral load memory (RAM) is sufficient. For larger programs, the load memory can be increased by inserting memory cards. Plug-in flash memory cards are available for retentive storage without the need for a battery.

Block encryption

The functions (FCs) and function blocks (FBs) can be stored in the CPU in encrypted form to protect the know-how of the application.

Технические данные



Order number

6ES7412-1XJ05-0AB0

6ES7412-2XJ05-0AB0

6ES7412-2EK07-0AB0

CPU412-1, MPI/DP, 288 KB

CPU412-2, MPI/DP, 512 KB

General information

 

 

 

Product type designation

CPU 412-1

CPU 412-2

CPU 412-2 PN

Engineering with

 

 

 

  • ● Programming package

STEP7 V 5.3 SP2 or higher with HW update

STEP7 V 5.3 SP2 or higher with HW update

STEP 7 V5.5 or higher with HSP 262

Supply voltage

 

 

 

Rated value (DC)

  • ● 24 V DC

No; Power supply via system power supply

No; Power supply via system power supply

No; Power supply via system power supply

Power loss

 

 

 

Power loss, typ.

2.5 W

4.5 W

5.5 W

Memory

 

 

 

Work memory

 

 

 

  • ● integrated

288 kbyte

512 kbyte

1 Mbyte

  • ● integrated (for program)

144 kbyte

256 kbyte

512 kbyte

  • ● integrated (for data)

144 kbyte

256 kbyte

512 kbyte

Load memory

 

 

 

  • ● expandable FEPROM, max.

64 Mbyte

64 Mbyte

64 Mbyte

  • ● integrated RAM, max.

512 kbyte

512 kbyte

512 kbyte

  • ● expandable RAM, max.

64 Mbyte

64 Mbyte

64 Mbyte

CPU processing times

 

 

 

for bit operations, typ.

75 ns

75 ns

31.25 ns

for word operations, typ.

75 ns

75 ns

31.25 ns

for fixed point arithmetic, typ.

75 ns

75 ns

31.25 ns

for floating point arithmetic, typ.

225 ns

225 ns

62.5 ns

Counters, timers and their retentivity

 

 

 

S7 counter

 

 

 

  • ● Number

2 048

2 048

2 048

IEC counter

 

 

 

  • ● present

Yes

Yes

Yes

S7 times

 

 

 

  • ● Number

2 048

2 048

2 048

IEC timer

 

 

 

  • ● present

Yes

Yes

Yes

Data areas and their retentivity

 

 

 

Flag

 

 

 

  • ● Number, max.

4 kbyte; Size of bit memory address area

4 kbyte; Size of bit memory address area

4 kbyte; Size of bit memory address area

Address area

 

 

 

I/O address area

 

 

 

  • ● Inputs

4 kbyte

4 kbyte

4 kbyte

  • ● Outputs

4 kbyte

4 kbyte

4 kbyte

Process image

 

 

 

  • ● Inputs, adjustable

4 kbyte

4 kbyte

4 kbyte

  • ● Outputs, adjustable

4 kbyte

4 kbyte

4 kbyte

Hardware configuration

 

 

 

Slots

 

 

 

  • ● required slots

1

1

1

Time of day

 

 

 

Clock

 

 

 

  • ● Hardware clock (real-time clock)

Yes

Yes

Yes

Operating hours counter

 

 

 

  • ● Number

16

16

16

Interfaces

 

 

 

Interfaces/bus type

1 x MPI/PROFIBUS DP

1 x MPI/PROFIBUS DP, 1 x PROFIBUS DP

1 x MPI/PROFIBUS DP, 1 x PROFINET (2 ports)

Number of RS 485 interfaces

1; Combined MPI / PROFIBUS DP

2; Combined MPI / PROFIBUS DP and PROFIBUS DP

1; Combined MPI / PROFIBUS DP

1. Interface

 

 

 

Interface type

Integrated

Integrated

Integrated

Physics

RS 485 / PROFIBUS + MPI

RS 485 / PROFIBUS + MPI

RS 485 / PROFIBUS + MPI

Functionality

 

 

 

  • ● MPI

Yes

Yes

Yes

  • ● DP master

Yes

Yes

Yes

  • ● DP slave

Yes

Yes

Yes

DP master

 

 

 

  • ● Number of DP slaves, max.

32

32

32

2. Interface

 

 

 

Interface type

Integrated

PROFINET

Physics

RS 485 / PROFIBUS

Ethernet RJ45

Number of ports

2

Functionality

 

 

 

  • ● DP master

Yes

No

  • ● DP slave

Yes

No

  • ● PROFINET IO Controller

Yes

  • ● PROFINET IO Device

Yes

  • ● PROFINET CBA

Yes

DP master

 

 

 

  • ● Number of DP slaves, max.

64

PROFINET IO Controller

 

 

 

  • ● Number of connectable IO Devices for RT, max.

256

  • ● Number of IO Devices with IRT and the option "high flexibility"

256

  • ● Number of IO Devices with IRT and the option "high performance", max.

64

Isochronous mode

 

 

 

Isochronous operation (application synchronized up to terminal)

Yes; For PROFIBUS only

Yes; For PROFIBUS only

Yes; Via PROFIBUS DP or PROFINET interface

Communication functions

 

 

 

PG/OP communication

Yes

Yes

Yes

Data record routing

Yes

Yes

Yes

Global data communication

 

 

 

  • ● supported

Yes

Yes

Yes

S7 basic communication

 

 

 

  • ● supported

Yes

Yes

Yes

S7 communication

 

 

 

  • ● supported

Yes

Yes

Yes

S5 compatible communication

 

 

 

  • ● supported

Yes; Via FC AG_SEND and AG_RECV, max. via 10 CP 443-1 or 443-5

Yes; Via FC AG_SEND and AG_RECV, max. via 10 CP 443-1 or 443-5

Yes; Via FC AG_SEND and AG_RECV, max. via 10 CP 443-1 or 443-5

Standard communication (FMS)

 

 

 

  • ● supported

Yes; Via CP and loadable FB

Yes; Via CP and loadable FB

Yes; Via CP and loadable FB

Open IE communication

 

 

 

  • ● TCP/IP

Yes; via integrated PROFINET interface and loadable FBs

  • — Number of connections, max.

46

  • ● ISO-on-TCP (RFC1006)

Via CP 443-1 Adv. and loadable FB

Via CP 443-1 and loadable FB

Yes; Via integrated PROFINET interface or CP 443-1 Adv. and loadable FBs

  • — Number of connections, max.

46

  • ● UDP

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