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6ES7412-2XG00-0AB0

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Siemens 6ES7412-2XG00-0AB0 is a SIMATIC S7-400 CPU 412-2 that executes the PLC program and exchanges process data through two PROFIBUS DP interfaces.
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Technical specifications for 6ES7412-2XG00-0AB0

  • Manufacturer:
    Siemens
  • Part Number:
    6ES7412-2XG00-0AB0
  • Product Family:
    Siemens Simatic S7-400
  • Product Type:
    SIMATIC S7-400 CPU 412-2
  • Stock:
    1
  • Firmware version:
    V3.1
  • STEP 7 requirement:
    V5.2 or later
  • Working memory for code:
    72 KB
  • Integrated load memory:
    256 KB RAM
  • Memory card expansion:
    Up to 64 MB FLASH or RAM
  • Bit operation time:
    Minimum 0.2 microseconds
  • Floating-point operation time:
    Minimum 0.6 microseconds
  • Integrated DP masters:
    2
  • Diagnostic buffer:
    Maximum 400 entries
  • First interface:
    Isolated MPI/PROFIBUS DP, up to 12 Mbit/s, maximum 32 DP slaves
  • Second interface:
    Isolated PROFIBUS DP, up to 12 Mbit/s, maximum 64 DP slaves
  • Total I/O address area:
    4 KB inputs / 4 KB outputs
  • Programming languages:
    LAD, FBD, STL and SCL
  • Mounting dimensions:
    25 x 290 x 219 mm
  • Slots required:
    1
  • Current consumption:
    Typical 1.5 A at 5 V DC; maximum 1.6 A
  • Power loss:
    Typical 7.5 W
  • Weight:
    2.004 lbs (0.909 kg)
  • Estimated shipping dimensions:
    30.4x23.3x3.7cm
  • Tariff Code:
    85371091
  • Country of origin:
    Germany
  • Place of shipment:
    Xiamen,Fujian,China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Memory Structure MPI and DP Paths Process Image Execution and Diagnosis

Features:

  • The CPU executes the S7-400 control program and updates a configurable process image.
  • Code and data divide the 144 KB work-memory area into two equal sections.
  • One MPI/DP interface and one isolated DP interface separate programming and field-network roles.
Input data enters through rack and PROFIBUS paths before it reaches the process image.

The CPU executes the user program against that image and its internal memory areas.

Updated output data and diagnostic information return through the rack and configured network interfaces.

The Siemens 6ES7412-2XG00-0AB0 SIMATIC S7-400 CPU 412-2 may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
Siemens 6ES7412-2XG00-0AB0 SIMATIC S7-400 CPU 412-2 Manuals,Datasheets,Link Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.

Separating program execution from project storage

  • Work memory: 144 KB is divided into 72 KB for code and 72 KB for data.
  • Integrated load RAM: The CPU includes 256 KB for project storage.
  • Memory card: Flash or RAM cards can extend load memory to 64 MB.
  • Execution path: The CPU loads executable blocks into work memory before program processing.

Assigning different network roles to the two integrated interfaces

  • First interface: MPI and PROFIBUS DP share one configurable connection.
  • Second interface: An isolated connection serves PROFIBUS DP.
  • Transfer rate: PROFIBUS communication reaches 12 Mbit/s.
  • Slave limits: The first interface supports up to 32 slaves and the second up to 64.

Moving field data through the controller scan

  • Input area: The CPU address space provides 4 KB for inputs.
  • Output area: A separate 4 KB address space serves outputs.
  • Default image: The standard process image begins at 128 bytes.
  • Adjustment: The process image can be extended to 4 KB for the configured program.

Relating instruction time to controller event records

  • Boolean processing: Bit instructions execute in 0.2 µs.
  • Numeric processing: Fixed-point instructions take 0.2 µs and floating-point instructions 0.6 µs.
  • Diagnostic history: The buffer retains 400 entries.
  • Engineering path: STEP 7 assigns hardware, addresses, networks and program blocks to the CPU.
Total Work Memory
144 KB
Program Memory
72 KB
Data Memory
72 KB
Integrated Load RAM
256 KB
Load Memory Expansion
Flash or RAM card up to 64 MB
Typical Backplane Current at 5 V
1.5 A
Maximum Backplane Current at 5 V
1.6 A
Power Loss
7.5 W
Bit Operation Time
0.2 µs
Word Operation Time
0.2 µs
Fixed-Point Operation Time
0.2 µs
Floating-Point Operation Time
0.6 µs
Input Address Area
4 KB
Output Address Area
4 KB
Adjustable Process Image
Up to 4 KB
Default Process Image
128 bytes
Integrated Interfaces
2 PROFIBUS DP interfaces
First Interface
Combined MPI/DP
Second Interface
Isolated PROFIBUS DP
Maximum PROFIBUS Rate
12 Mbit/s
DP Slaves on First Interface
32 maximum
DP Slaves on Second Interface
64 maximum
Diagnostic Buffer
400 entries
Configuration Software
STEP 7
Description
Siemens 6ES7412-2XG00-0AB0 is a SIMATIC S7-400 CPU 412-2 central processing unit. It executes the stored control program, updates the process image and coordinates rack and PROFIBUS communication for the connected automation station.

Program and data execution on 6ES7412-2XG00-0AB0 share 144 KB of work memory divided equally between code and data. The integrated load RAM holds project information, while an optional Flash or RAM card extends load memory without changing the CPU work-memory allocation.

Two communication paths give 6ES7412-2XG00-0AB0 different network roles: the first interface combines MPI and PROFIBUS DP, and the second is an isolated PROFIBUS DP interface. Each path has its own connection resources and documented slave capacity, so the configured station layout must stay within the limit of the interface actually used.

During each scan, 6ES7412-2XG00-0AB0 reads its process image, runs the user program and updates outputs, while the diagnostic buffer records controller and communication events. STEP 7 links the hardware configuration, address areas and network parameters to the same CPU project.
Alternative Names
6ES74122XG000AB0 6ES7 412-2XG00-0AB0 6ES7412 2XG00 0AB0 Siemens 6ES7412-2XG00-0AB0 6ES7412-2XG00-0AB0 CPU 412-2 CPU 412-2 6ES7412-2XG00-0AB0 6ES 7412 2XG00 0AB0 6ES7412/2XG00/0AB0
Technical notes
On Siemens 6ES7412-2XG00-0AB0, the first interface combines MPI and DP functions while the second provides an isolated PROFIBUS DP path.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
Why does Siemens 6ES7412-2XG00-0AB0 show a DP station fault after a project download?
For Siemens 6ES7412-2XG00-0AB0, compare the assigned interface, PROFIBUS address, transmission rate, slave order and hardware configuration in STEP 7.
How is work memory divided on 6ES7412-2XG00-0AB0?
The 144 KB work memory of 6ES7412-2XG00-0AB0 is divided into 72 KB for code and 72 KB for data.
Which interface on Siemens 6ES7412-2XG00-0AB0 is electrically isolated?
The second integrated PROFIBUS DP interface on Siemens 6ES7412-2XG00-0AB0 is the isolated network path.
Can 6ES7412-2XG00-0AB0 use a memory card larger than its work memory?
Yes. A Flash or RAM card expands the load memory of 6ES7412-2XG00-0AB0, but it does not increase the 144 KB work-memory area.
What should be checked when the process image on Siemens 6ES7412-2XG00-0AB0 is too small?
Review the STEP 7 process-image size and peripheral addresses for Siemens 6ES7412-2XG00-0AB0; the image is adjustable up to 4 KB.
How many events can the diagnostic buffer of 6ES7412-2XG00-0AB0 retain?
The diagnostic buffer in 6ES7412-2XG00-0AB0 stores 400 entries for controller and communication events.