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6ES7151-7AA11-0AB0

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The Siemens 6ES7151-7AA11-0AB0 IM 151-7 CPU interface module runs local control logic in an ET 200S station and exchanges data as an intelligent PROFIBUS DP slave.
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Technical specifications for 6ES7151-7AA11-0AB0

  • Manufacturer:
    Siemens
  • Part Number:
    6ES7151-7AA11-0AB0
  • Product Family:
    Siemens Simatic DP
  • Product Type:
    IM 151-7 CPU Interface Module
  • Stock:
    1
  • Work Memory:
    64 KB; not expandable
  • Load Memory:
    MMC; up to 8 MB
  • Supply Voltage:
    24 V DC; 20.4–28.8 V DC
  • Current Consumption:
    Approximately 250 mA
  • Power Dissipation:
    3.3 W
  • Integrated Interface:
    RS485; PROFIBUS DP slave / MPI
  • Local I/O Modules:
    63 maximum
  • Station Bus Length:
    2 m maximum
  • Process Image:
    128 input bytes; 128 output bytes
  • DP Exchange Data:
    244 input bytes; 244 output bytes maximum
  • Transfer Areas:
    32 maximum; 32 bytes per area maximum
  • Function Blocks:
    512 maximum
  • Functions:
    512 maximum
  • Total FB / FC / DB:
    1,024 maximum
  • Weight:
    0.4409 lbs (0.2 kg)
  • Tariff Code:
    85371011
  • 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 Addresses Diagnostic Flow Retained Data STOP Exchange

Features:

  • The station can execute a local user program.
  • The integrated interface supports MPI communication.
  • A separate DP-master module can extend the station.
The local I/O of 6ES7151-7AA11-0AB0 is addressed by its CPU. It is not automatically exposed to the higher-level DP master as direct peripheral addresses.

An MMC supplies the load-memory medium for 6ES7151-7AA11-0AB0. Internal working memory and the removable load-memory medium perform different roles during program execution.

Communication settings distinguish an active MPI participant from passive operation for 6ES7151-7AA11-0AB0. Engineering access depends on the configured operating arrangement, not solely on connecting a programming cable.

The Siemens 6ES7151-7AA11-0AB0 IM 151-7 CPU Interface Module may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
Siemens 6ES7151-7AA11-0AB0 IM 151-7 CPU Interface Module 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.

Assign station I/O without confusing DP exchange areas

  • Slot allocation: Local digital modules occupy their allocated address space even when not every channel is used.
  • Analog allocation: Analog modules reserve their own address space rather than sharing unused digital bits.
  • User addresses: User-defined start addresses are assigned at byte boundaries.
  • Process image: Addresses outside the process image require the corresponding peripheral access in the user program.

Follow the reported event to its diagnostic record

  • Group fault: The SF indicator signals a group fault rather than a unique fault code.
  • Event detail: The diagnostic buffer records information that distinguishes individual events.
  • DP perspective: The master uses its configured diagnostic address to obtain slave diagnostic information.
  • Program response: The relevant error organization block determines the programmed reaction to a supported fault event.

Different memory areas respond differently to power loss

  • Load contents: The MMC retains the stored load-memory contents without an external backup battery.
  • Working data: Retentive working data is backed up through the CPU memory mechanism.
  • Configurable areas: Retention of markers, timers and counters depends on their configuration.
  • CPU information: The diagnostic buffer and MPI address are retained separately from ordinary non-retentive user data.

Distinguish a stopped slave from a stopped master

  • Slave STOP: When the CPU slave enters STOP, the outgoing transfer-area data supplied to the master is set to zero.
  • Master STOP: When the DP master enters STOP, the slave input transfer-area data retains its last values.
  • Local program: These exchange-area reactions are distinct from normal execution of the local user program.
  • Direction check: The two STOP cases must not be described as a single rule that clears every communication value.
Description
Siemens 6ES7151-7AA11-0AB0 is the IM 151-7 CPU interface module for SIMATIC ET 200S. It executes the local user program while the station communicates with a higher-level PROFIBUS DP master as an intelligent slave, rather than relying on the master to execute every local control operation.

Program storage in 6ES7151-7AA11-0AB0 separates MMC load memory from internal work memory and system memory. The 64 KB work-memory execution is not expandable; installing a larger MMC increases available load storage, not the CPU work-memory capacity.

Data exchanged between 6ES7151-7AA11-0AB0 and a DP master passes through configured transfer areas. The master and slave must agree on transfer length, unit and consistency, while their logical addresses can differ. Data direction is viewed from each participant: master outputs arrive as slave inputs.

An additional DP-master module extends 6ES7151-7AA11-0AB0 with a master-side connection. That expansion is separate hardware; the integrated DP-slave/MPI interface must not be represented as an integral DP-master interface.
Alternative Names
6ES71517AA110AB0 6ES7151 7AA11 0AB0 6ES7 151-7AA11-0AB0 Siemens 6ES7151-7AA11-0AB0 6ES7151-7AA11-0AB0 IM 151-7 CPU Interface Module 6ES7151-7AA11-OABO 6ES7I51-7AA11-0AB0 IM 151-7 CPU Interface Module 6ES7151-7AA11-0AB0
Technical notes
The integrated interface of Siemens 6ES7151-7AA11-0AB0 serves DP-slave or MPI operation; DP-master operation requires a separate master module.
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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.
Must an MMC be fitted before 6ES7151-7AA11-0AB0 can execute its program?
Program operation requires the MMC load-memory medium in 6ES7151-7AA11-0AB0; the internal work memory is not a substitute for the removable load-memory card.
Would a larger MMC expand the 64 KB work memory of 6ES7151-7AA11-0AB0?
The work-memory capacity of 6ES7151-7AA11-0AB0 remains fixed. A larger supported MMC changes load-memory space, not the amount of internal execution memory.
Under what condition can the MMC be removed from 6ES7151-7AA11-0AB0?
The memory card of 6ES7151-7AA11-0AB0 may be removed only with the CPU switched off or in STOP and without an active write operation; it is not a RUN-mode exchange medium.
Why can configured local channel addresses on 6ES7151-7AA11-0AB0 differ from the master transfer addresses?
Local peripheral addressing and DP exchange addressing are separate assignments on 6ES7151-7AA11-0AB0. The transfer-area settings link the data; matching every numeric address is not required.
May 6ES7151-7AA11-0AB0 itself be pulled from an energized station as an ordinary electronic I/O module?
The CPU module 6ES7151-7AA11-0AB0 is not covered by the one-at-a-time replacement procedure for ordinary electronic I/O modules; its removal requires the station supply to be switched off.

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