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6ES7416-2FK04-0AB0

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Siemens 6ES7416-2FK04-0AB0 is a SIMATIC S7-400 CPU 416F-2 fail-safe central processing unit with MPI/DP and PROFIBUS DP interfaces for S7-400 automation stations.
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Technical specifications for 6ES7416-2FK04-0AB0

  • Manufacturer:
    Siemens
  • Part Number:
    6ES7416-2FK04-0AB0
  • Product Family:
    Siemens Simatic S7-400
  • Product Type:
    SIMATIC S7-400 CPU 416F-2 Fail-Safe Central Processing Unit
  • Stock:
    1
  • Working Memory:
    2.8 MB total: 1.4 MB code and 1.4 MB data.
  • Supply Voltage:
    24 V DC.
  • Power Loss:
    4.5 W.
  • MPI/DP Interface:
    MPI/DP interface up to 12 Mbit/s, electrically isolated.
  • PROFIBUS DP Interface:
    Second PROFIBUS DP interface.
  • DP Masters:
    Two integrated DP masters.
  • Expansion Units:
    Up to 21 expansion units.
  • CPU Arrangement:
    Up to four CPUs with UR1/UR2 racks.
  • Configuration in Run:
    CiR supported.
  • Diagnostic Buffer:
    3,200 diagnostic entries.
  • Forcing:
    512 forcing points.
  • Status and Control:
    70 status/control functions.
  • First DP Slaves:
    Up to 32 slaves.
  • Second DP Slaves:
    Up to 125 slaves.
  • Weight:
    1.911 lbs (0.867 kg)
  • Estimated shipping dimensions:
    30.3 × 23.3 × 4.0 cm
  • Tariff Code:
    85389091
  • 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 Safety Runtime Memory Structure DP Network Paths Online Commissioning

Features:

  • Fail-safe CPU 416F-2 for SIMATIC S7-400 control stations
  • 2.8 MB working memory divided between program code and data
  • Separate MPI/DP and PROFIBUS DP paths with integrated DP masters
At the controller level, 6ES7416-2FK04-0AB0 coordinates fail-safe program execution in the S7-400 station.

Network planning can split the MPI/DP connection from the second PROFIBUS DP route, allowing each path to be checked against its own slave capacity.

During commissioning, 6ES7416-2FK04-0AB0 combines Distributed Safety processing with diagnostic, forcing, status/control, and configuration-in-run functions.
The Siemens 6ES7416-2FK04-0AB0 SIMATIC S7-400 CPU 416F-2 Fail-Safe Central Processing Unit may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
Siemens 6ES7416-2FK04-0AB0 SIMATIC S7-400 CPU 416F-2 Fail-Safe Central Processing Unit 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.

Fail-Safe Processing

  • CPU role: 6ES7416-2FK04-0AB0 executes the fail-safe S7-400 automation program.
  • Safety configuration: Distributed Safety functions configure the fail-safe processing path.
  • Station scope: The CPU is used in S7-400 fail-safe stations.
  • Runtime records: Diagnostic-buffer, forcing, and status/control functions support runtime checking.

Code and Data Allocation

  • Total memory: 6ES7416-2FK04-0AB0 has 2.8 MB working memory.
  • Code area: The working-memory arrangement assigns 1.4 MB to code.
  • Data area: The remaining 1.4 MB is assigned to data.
  • Processing link: The memory split separates program storage from runtime data handling.

Dual Bus Arrangement

  • First interface: 6ES7416-2FK04-0AB0 provides an MPI/DP communication path.
  • Second interface: A separate PROFIBUS DP interface forms the second network path.
  • Master structure: Two integrated DP masters serve the documented DP paths.
  • Slave allocation: The two interfaces use separate documented slave-capacity boundaries.

Service Functions

  • Configuration in run: CiR is supported by 6ES7416-2FK04-0AB0.
  • Diagnostic record: The diagnostic buffer stores operating entries for commissioning checks.
  • Forcing control: Forcing points permit controlled signal checks during commissioning.
  • Status review: Status and control functions expose CPU operating information.
Description
For an S7-400 fail-safe station, Siemens 6ES7416-2FK04-0AB0 acts as the CPU 416F-2 central processor and exposes both MPI/DP and a second PROFIBUS DP path.

Its 2.8 MB working memory is divided into 1.4 MB code and 1.4 MB data on 6ES7416-2FK04-0AB0. The first interface supports MPI/DP communication up to 12 Mbit/s, while the second is dedicated to PROFIBUS DP.

Network planning with 6ES7416-2FK04-0AB0 uses two integrated DP masters, with separate slave limits on the first and second paths. UR1/UR2 expansion hardware supports the documented multi-CPU arrangement.

Distributed Safety functions on 6ES7416-2FK04-0AB0 work with the diagnostic buffer, forcing and status/control functions, constant-bus support, and configuration-in-run operation.
Technical notes
Siemens 6ES7416-2FK04-0AB0 provides 2.8 MB working memory, two DP paths, and Distributed Safety configuration for S7-400 stations.
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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.
If Siemens 6ES7416-2FK04-0AB0 must serve two DP networks, how should the interfaces be assigned?
Map the MPI/DP path and the separate PROFIBUS DP path on 6ES7416-2FK04-0AB0 as two distinct network connections before configuring the station.
What memory split must be reserved when loading Siemens 6ES7416-2FK04-0AB0 programs and data?
Plan 1.4 MB for code and 1.4 MB for data within the 2.8 MB working memory of 6ES7416-2FK04-0AB0; keep the two budgets separate during project sizing.
How should a planner check slave capacity on Siemens 6ES7416-2FK04-0AB0?
Assign the device list to the correct DP path: 6ES7416-2FK04-0AB0 supports up to 32 slaves on the first path and up to 125 on the second.
Can Siemens 6ES7416-2FK04-0AB0 accept configuration changes while the station is running?
Configuration in run, identified as CiR, is supported by 6ES7416-2FK04-0AB0; verify that the planned change belongs to the documented CiR scope before applying it.
During commissioning, where can a technician check events or controlled signal states for Siemens 6ES7416-2FK04-0AB0?
Use the diagnostic buffer, forcing functions, and status/control functions available in 6ES7416-2FK04-0AB0 to isolate an event or verify a controlled state.
Which rack arrangement should be checked when pairing CPUs with Siemens 6ES7416-2FK04-0AB0?
Confirm the UR1/UR2 rack arrangement before pairing CPUs; the documented setup supports up to four CPUs with 6ES7416-2FK04-0AB0.