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    For 6ES7414-4HJ00-0AB0, Apter Power assists with manuals, quotations, and S7-400H pair identification.

6ES7414-4HJ00-0AB0

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Designed for a SIMATIC S7-400H controller pair, Siemens 6ES7414-4HJ00-0AB0 processes the user program and exchanges synchronization data through two dedicated interfaces.
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Technical specifications for 6ES7414-4HJ00-0AB0

  • Manufacturer:
    Siemens
  • Part Number:
    6ES7414-4HJ00-0AB0
  • Product Family:
    Siemens SIMATIC S7-400H
  • Product Type:
    CPU 414H Central Processing Unit
  • Stock:
    1
  • System Configurations:
    S7-400H and S7-400F/FH.
  • Work Memory Allocation:
    384 KB code and 384 KB data.
  • Communication Interfaces:
    One MPI/DP and one PROFIBUS DP.
  • Synchronization Interfaces:
    Two.
  • Flash Load Memory:
    Supported.
  • Backplane Current at 5 V DC:
    1.8 A typical; 2.0 A maximum.
  • Interface Supply at 24 V DC:
    300 mA maximum; 150 mA per interface.
  • Power Loss:
    10 W typical.
  • Redundant Operation:
    CPU pair with synchronization link.
  • Weight:
    3.082 lbs (1.398 kg)
  • Estimated shipping dimensions:
    30.4x23.3x6.5cm
  • 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 Pair Operation Sync Modules CP Matching Memory Layout

Features:

  • Operates as a CPU 414H member of an S7-400H or S7-400F/FH controller pair.
  • Separates 768 KB of work memory into equal code and data sections.
  • Uses two fieldbus interfaces and two independent synchronization interfaces.
Partner synchronization is carried through dedicated connections instead of sharing the MPI/DP or PROFIBUS DP routes.

The processor retains the project in flash load memory and executes it from separately allocated code and data work areas.

Its complete order number identifies the earlier 768 KB CPU 414H configuration used in redundant S7-400 stations.

The Siemens 6ES7414-4HJ00-0AB0 CPU 414H Central Processing Unit may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
Siemens 6ES7414-4HJ00-0AB0 CPU 414H 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.

How the redundant CPUs work together

  • CPU Members: The station uses two H CPUs as the redundant processing pair.
  • Program Alignment: Synchronization traffic keeps the processing states of the two CPUs coordinated.
  • Fieldbus Continuity: MPI/DP and DP communication remain available as separate process-network paths.
  • System Scope: The CPU belongs to S7-400H and S7-400F/FH controller arrangements.

Dedicated partner-link structure

  • Dual Connections: Two synchronization interfaces provide separate links between the paired CPUs.
  • Traffic Boundary: Partner data does not use the normal MPI/DP or PROFIBUS DP interface.
  • Link Identity: Synchronization modules and cables must match the S7-400H connection design.
  • CPU Matching: Both sides of the redundant pair must be checked against the installed CPU order number and firmware.

Communication processors in the H station

  • Firmware Check: CP support is evaluated against the CPU 414H firmware level used by the station.
  • Rack Assignment: Each communication processor belongs to the rack and CPU path defined in the H configuration.
  • Network Role: CP communication remains distinct from the CPU-pair synchronization path.
  • Configuration Record: The hardware configuration must identify the exact CP, rack position, and CPU member.

Program storage inside the CPU

  • Code Area: 384 KB of work memory holds executable program blocks.
  • Data Area: A separate 384 KB section contains data blocks and runtime values.
  • Load Memory: Flash memory retains the configured project outside the active work areas.
  • Execution Flow: Blocks are loaded from project storage and executed from the CPU work memory.
Description
Siemens 6ES7414-4HJ00-0AB0 is a CPU 414H central processing unit for SIMATIC S7-400H and S7-400F/FH systems. It forms one side of a redundant controller pair and processes the configured control program for its assigned rack path.

Partner coordination is carried by two dedicated synchronization interfaces on 6ES7414-4HJ00-0AB0. Keeping synchronization traffic on these links prevents the redundant CPU exchange from sharing the ordinary process-network connections.

Field communication reaches 6ES7414-4HJ00-0AB0 through an MPI/PROFIBUS DP interface and a separate PROFIBUS DP interface. Their roles remain independent of the synchronization links, so device traffic and partner-CPU traffic follow different routes through the H station.

Program execution on 6ES7414-4HJ00-0AB0 uses separate code and data work areas. Flash load memory stores the project used by the CPU pair, so runtime processing and retained configuration occupy different memory functions.
Alternative Names
6ES74144HJ000AB0 6ES7 414-4HJ00-0AB0 6ES7 414 4HJ00 0AB0 Siemens 6ES7414-4HJ00-0AB0 CPU 414H 6ES7414-4HJ00-0AB0 6ES7414-4HJ00-OABO 6ES74I4-4HJ00-0AB0 Siemens 6ES74144HJ000AB0
Technical notes
Two synchronization links isolate partner-CPU exchange from the fieldbus paths on Siemens 6ES7414-4HJ00-0AB0.
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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.
What distinguishes 6ES7414-4HJ00-0AB0 from higher-memory CPU 414H variants?
The complete 6ES7414-4HJ00-0AB0 order number identifies the CPU 414H version with 384 KB of code and 384 KB of data work memory.
Why does 6ES7414-4HJ00-0AB0 have two synchronization interfaces in addition to its fieldbus ports?
The two synchronization interfaces of 6ES7414-4HJ00-0AB0 carry partner-CPU traffic separately from MPI/DP and PROFIBUS DP communication.
Where should ordinary PROFIBUS devices connect when 6ES7414-4HJ00-0AB0 is installed in an H station?
Field devices use the MPI/DP or dedicated DP interface of 6ES7414-4HJ00-0AB0 rather than either CPU synchronization connection.
How should a replacement 6ES7414-4HJ00-0AB0 be checked against the partner CPU?
Match the full 6ES7414-4HJ00-0AB0 order number, memory version, hardware state, and firmware level to the configured S7-400H pair.
Does the 768 KB figure for 6ES7414-4HJ00-0AB0 represent one undivided memory area?
No. 6ES7414-4HJ00-0AB0 divides the 768 KB work memory into 384 KB for code and 384 KB for data.
Which system configuration should be verified before assigning 6ES7414-4HJ00-0AB0 to a rack?
Confirm that the project identifies 6ES7414-4HJ00-0AB0 for an S7-400H or S7-400F/FH rack and defines its partner and synchronization path.

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