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6ES7414-3XJ00-0AB0

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Serving as the controller in a SIMATIC S7-400 rack, Siemens 6ES7414-3XJ00-0AB0 is a CPU 414-3 that executes the user program and coordinates MPI and PROFIBUS DP networks.
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Technical specifications for 6ES7414-3XJ00-0AB0

  • Manufacturer:
    Siemens
  • Part Number:
    6ES7414-3XJ00-0AB0
  • Product Family:
    Siemens Simatic S7-400
  • Product Type:
    SIMATIC S7-400 CPU 414-3 Central Processing Unit
  • Stock:
    1
  • CPU designation:
    CPU 414-3
  • Clock memory:
    8 bits (1 memory byte)
  • Engineering software:
    STEP 7 V5.2 or later
  • Integrated work memory:
    768 KB total
  • Code memory:
    384 KB
  • Data memory:
    384 KB
  • Integrated load memory:
    256 KB RAM
  • External load memory:
    Up to 64 MB Flash or RAM card
  • Bit/word/integer processing:
    0.1 µs minimum
  • Floating-point processing:
    0.6 µs minimum
  • Total I/O address area:
    8 KB inputs / 8 KB outputs
  • Default process image:
    256 bytes inputs / 256 bytes outputs
  • First interface:
    Isolated RS485 MPI/PROFIBUS DP
  • Second interface:
    Isolated RS485 PROFIBUS DP
  • Optional interface:
    IF 964-DP submodule position
  • DP slaves on first interface:
    Up to 32
  • DP slaves on second interface:
    Up to 96
  • Central rack / expansion units:
    1 / up to 21
  • Multicomputing:
    Up to 4 CPUs in UR1 or UR2
  • Diagnostic buffer:
    Up to 3,200 entries; 120 preset
  • S7-400 bus current:
    1.5 A typical, 1.6 A maximum at 5 V DC
  • Typical power loss:
    7.5 W
  • Rack slots required:
    2
  • Weight:
    3 lbs (1.362 kg)
  • Estimated shipping dimensions:
    30.1x23.1x6.8cm
  • 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 Map DP Interface Roles Rack Coordination Startup Behavior

Features:

  • The 768 KB integrated work memory is divided equally between executable code and process data.
  • Two isolated RS485 interfaces separate MPI/DP access from a second PROFIBUS DP path.
  • An IF 964-DP submodule position provides a documented route for adding a third DP interface.
Siemens 6ES7414-3XJ00-0AB0 processes the user program while its process image and I/O address areas exchange values with central and distributed modules.

Load-memory cards hold larger project data sets, but the integrated code and data work-memory areas remain fixed for runtime execution.

The CPU supports monitoring, forcing, breakpoints, status blocks, and diagnostic-buffer evaluation as distinct commissioning functions.

The Siemens 6ES7414-3XJ00-0AB0 SIMATIC S7-400 CPU 414-3 may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
Siemens 6ES7414-3XJ00-0AB0 SIMATIC S7-400 CPU 414-3 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 Project Data Reaches Runtime Memory

  • Load Storage: Blocks, symbols, comments, configuration, and parameter data reside in integrated or card-based load memory.
  • Code Execution: Runtime code blocks use the dedicated code section of work memory.
  • Process Data: Data blocks and active application values use the separate data section of work memory.
  • System Area: Markers, timers, counters, stacks, and communication resources occupy system-managed memory.

Assignment of the Three PROFIBUS Paths

  • MPI/DP Interface: The first RS485 connection combines engineering, operator, routing, and DP master or slave services.
  • Second DP Interface: The dedicated PROFIBUS path handles a larger distributed-I/O address area and a higher documented slave count.
  • Optional IF Slot: An IF 964-DP submodule uses the third position when another PROFIBUS path is required.
  • Interface Power: Each integrated MPI/DP connection can supply documented auxiliary interface current to connected devices.

CPU Position Within the S7-400 Station

  • Central Rack: The CPU occupies two slots and controls modules assigned to the central station.
  • Expansion Paths: Interface modules extend the station to documented expansion units without changing the CPU's central role.
  • Multicomputing: A UR1 or UR2 configuration can coordinate multiple CPUs when the project assigns shared rack resources.
  • Distributed Stations: PROFIBUS interfaces exchange the configured input and output areas with remote DP devices.

Data Retention Across CPU Starts

  • Cold Restart: Process images, markers, timers, counters, and data blocks return to program-defined initial values.
  • Warm Restart: Non-retentive areas reset while configured retentive values and data blocks keep their last valid state.
  • Restart: Backed-up data and the process image retain their values so execution resumes at the interrupted instruction.
  • Backup Requirement: Warm restart after power interruption and full restart behavior depend on backed-up operation.
Description
Siemens 6ES7414-3XJ00-0AB0 is the CPU 414-3 central processing unit for the SIMATIC S7-400 automation system. Installed in the S7-400 rack, it executes the configured control program, updates process data, and coordinates communication with programming devices, operator panels, and PROFIBUS stations.

Program execution in 6ES7414-3XJ00-0AB0 uses separate working-memory areas for code and data. Project blocks and parameter data are held in load memory, while runtime-relevant blocks move into work memory; an external Flash or RAM memory card expands load capacity without expanding the integrated work-memory partition.

The first RS485 connection on 6ES7414-3XJ00-0AB0 combines MPI and PROFIBUS DP services for engineering, operator communication, routing, and distributed I/O. Its second RS485 connection provides another PROFIBUS DP master or slave path with a larger DP address area, and the pluggable IF 964-DP position adds a third documented DP interface when fitted.

During commissioning, 6ES7414-3XJ00-0AB0 separates variable monitoring, forcing, status-block analysis, breakpoints, and diagnostic-buffer records from normal cyclic execution. Startup behavior then determines which process-image and retentive data areas are reset or preserved before the user program resumes.
Alternative Names
6ES74143XJ000AB0 6ES7 414 3XJ00 0AB0 6ES7414 3XJ00 0AB0 Siemens 6ES7414-3XJ00-0AB0 6ES7414-3XJ00-0AB0 CPU 414-3 6ES7414-3XJ00-0AB0 S7-400 CPU 6ES7414-3XJOO-0AB0 6ES74I4-3XJ00-0AB0
Technical notes
Siemens 6ES7414-3XJ00-0AB0 divides its 768 KB work memory between code and data while assigning different station capacities to its two integrated PROFIBUS-capable interfaces.
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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.
How do the integrated communication ports of Siemens 6ES7414-3XJ00-0AB0 differ?
The first port on Siemens 6ES7414-3XJ00-0AB0 combines MPI and PROFIBUS DP services, while the second is a dedicated PROFIBUS DP interface.
Can the work memory of 6ES7414-3XJ00-0AB0 be expanded with a memory card?
No. A card expands the load memory of 6ES7414-3XJ00-0AB0; its integrated 384 KB code and 384 KB data work-memory sections are not expandable.
What must be checked before changing the memory partition on Siemens 6ES7414-3XJ00-0AB0?
Repartitioning Siemens 6ES7414-3XJ00-0AB0 reorganizes working memory, can delete SFC-created data blocks, and reloads remaining data blocks from load-memory initial values.
Why can the two DP interfaces on 6ES7414-3XJ00-0AB0 require different station plans?
The first DP path of 6ES7414-3XJ00-0AB0 supports up to 32 slaves, while the second supports up to 96 and has a larger DP address area.
When may 6ES7414-3XJ00-0AB0 access consistent DP data without SFC 14 or SFC 15?
With the documented firmware level, 6ES7414-3XJ00-0AB0 can place the consistent slave area in a process-image partition and access it through load and transfer instructions.
Which STEP 7 level belongs to Siemens 6ES7414-3XJ00-0AB0?
Siemens 6ES7414-3XJ00-0AB0 is associated with STEP 7 V5.2 or later in the exact CPU specification section.