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6ES7151-7AB00-0AB0

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Local ET 200S logic and distributed I/O are coordinated by Siemens 6ES7151-7AB00-0AB0, an IM151-7 CPU FO with integrated PROFIBUS DP slave communication.
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Technical specifications for 6ES7151-7AB00-0AB0

  • Manufacturer:
    Siemens
  • Part Number:
    6ES7151-7AB00-0AB0
  • Product Family:
    Siemens Simatic DP
  • Product Type:
    ET 200S IM151-7 CPU FO Interface Module
  • Stock:
    1
  • Hardware Functional Status:
    04
  • Firmware Version:
    V1.1
  • Rated Supply Voltage:
    24 V DC
  • Permissible Supply Range:
    20.4 to 28.8 V DC
  • Maximum Supply Current:
    250 mA
  • Backplane Output at 5 V DC:
    700 mA maximum
  • Typical Power Loss:
    3.3 W
  • Integrated Work Memory:
    48 KB from firmware V1.13
  • Maximum MMC Load Memory:
    2 MB
  • Bit Operation Time:
    0.3 µs typical
  • Maximum ET 200S Modules:
    63
  • PROFIBUS Interface:
    Fiber-optic simplex and integrated RS485
  • PROFIBUS Role:
    DP device/slave
  • Maximum PROFIBUS Rate:
    12 Mbit/s
  • DP Transfer Memory:
    64 bytes input and 64 bytes output
  • Diagnostic Buffer:
    100 entries
  • Programming Software:
    STEP 7 V5.1 or higher
  • Operating Temperature:
    0 to 60 °C
  • Weight:
    0.4409 lbs (0.2 kg)
  • Estimated shipping dimensions:
    6x11.95x7.5cm
  • 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 Local Processing Memory and Firmware DP Connections Station Diagnostics

Features:

  • A local CPU executes the ET 200S control program independently of the DP master cycle.
  • Fiber-optic simplex and RS485 connections serve the integrated PROFIBUS DP interface.
  • An MMC carries load memory while the CPU provides firmware-dependent work memory.
The IM151-7 CPU FO combines a distributed-I/O head module with its own S7 program execution resources.

Local process images serve the attached modules, while transfer memory carries the data selected for the PROFIBUS master.

Diagnostic and test functions let commissioning separate CPU, I/O and communication conditions.

The Siemens 6ES7151-7AB00-0AB0 ET 200S IM151-7 CPU FO may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
Siemens 6ES7151-7AB00-0AB0 ET 200S IM151-7 CPU FO 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.

Running control logic inside the ET 200S station

  • CPU cycle: The integrated processor executes the stored STEP 7 blocks against local process data.
  • Input image: Configured module states are collected before the program evaluates them.
  • Output image: Calculated results are transferred to the assigned local output addresses.
  • Distributed role: Selected data is then exchanged with the higher-level DP master through transfer memory.

Matching the stored project to the installed CPU

  • Work memory: Firmware V1.13 or higher provides the documented 48 KB execution area.
  • Earlier firmware: Units below that firmware level use the smaller documented work-memory capacity.
  • MMC role: The removable card carries load memory and the saved project independently of work memory.
  • Replacement check: Firmware level, MMC contents and hardware functional status must describe the same project.

Separating master traffic from engineering access

  • Fiber path: The simplex fiber-optic connection carries the documented PROFIBUS DP device traffic.
  • RS485 path: The integrated electrical interface provides the specified programming and communication connection.
  • Bus speed: The configured PROFIBUS rate can reach the documented 12 Mbit/s maximum.
  • Transfer area: Input and output transfer-memory bytes define which local data the master exchanges.

Tracing CPU, module and bus conditions

  • Diagnostic buffer: The CPU retains one hundred event entries for commissioning review.
  • Block status: STEP 7 can display the execution state of the selected program block.
  • Variable control: Supported inputs, outputs, flags, timers, counters and data areas can be monitored.
  • Forcing: Selected I/O variables can be forced within the documented test limits.
Description
Within a distributed SIMATIC station, Siemens 6ES7151-7AB00-0AB0 is the ET 200S IM151-7 CPU FO that executes a local STEP 7 program and controls the attached I/O modules. It also presents the station to the higher-level PROFIBUS system as a DP device.

Program execution in 6ES7151-7AB00-0AB0 uses the integrated work memory, while a removable MMC holds the load program and project data. Firmware V1.13 or higher exposes the documented 48 KB work-memory capacity, so firmware and saved project should be checked together when replacing an earlier unit.

Communication from 6ES7151-7AB00-0AB0 reaches the PROFIBUS master through its fiber-optic simplex connection, and the integrated RS485 path remains available for the specified programming connection. Transfer-memory areas separate the data exchanged with the master from the CPU's local process image.

Up to the documented module count can follow 6ES7151-7AB00-0AB0 on the ET 200S backplane. The CPU supplies that internal bus from its 24 V DC input, while the local program reads and writes assigned I/O addresses without sending every operation across PROFIBUS.

Commissioning tools can read the diagnostic buffer of 6ES7151-7AB00-0AB0, inspect program blocks and force selected I/O points. Those functions distinguish a local program or module condition from a loss of DP communication before field wiring is changed.
Alternative Names
6ES71517AB000AB0 6ES7 151-7AB00-0AB0 6ES7151 7AB00 0AB0 Siemens 6ES7151-7AB00-0AB0 IM151-7 CPU FO 6ES7151-7AB00-0AB0 ET 200S CPU 6ES7151-7AB00-0AB0 6ES7151-7ABOO-0AB0 6ES7I51-7AB00-0AB0
Technical notes
Siemens 6ES7151-7AB00-0AB0 combines an ET 200S CPU with a PROFIBUS DP slave interface using fiber-optic simplex and RS485 paths. The 48 KB memory value applies from firmware V1.13; earlier firmware provides 24 KB.
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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.
Which firmware is required for 48 KB on 6ES7151-7AB00-0AB0?
The 6ES7151-7AB00-0AB0 provides 48 KB of integrated work memory from firmware V1.13; earlier firmware is documented with 24 KB.
Can 6ES7151-7AB00-0AB0 keep executing if the DP master scan is separate?
Yes. The local CPU of 6ES7151-7AB00-0AB0 executes its station program, while transfer memory handles the selected PROFIBUS DP exchange.
Where is the load program stored for 6ES7151-7AB00-0AB0?
A removable MMC supplies the load memory used by 6ES7151-7AB00-0AB0, while active execution uses the integrated work memory.
How many ET 200S modules can follow 6ES7151-7AB00-0AB0?
The documented hardware configuration for 6ES7151-7AB00-0AB0 allows up to 63 modules in the station.
What should be checked when 6ES7151-7AB00-0AB0 loses the master connection?
Review the fiber or RS485 path, node address, transfer-memory configuration and diagnostic buffer of 6ES7151-7AB00-0AB0 before changing I/O wiring.
Does 6ES7151-7AB00-0AB0 provide a diagnostic history?
Yes. The diagnostic buffer in 6ES7151-7AB00-0AB0 records up to one hundred entries for CPU, station and communication review.

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