6ES7151-1CA00-1BL0
6ES7151-1CA00-1BL0
6ES7151-1CA00-1BL0
6ES7151-1CA00-1BL0
6ES7151-1CA00-1BL0
6ES7151-1CA00-1BL0
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6ES7151-1CA00-1BL0

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6ES7151-1CA00-1BL0 combines a PROFIBUS DP interface and 32 standard 24 V DC digital inputs in an expandable ET 200S station.
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Technical specifications for 6ES7151-1CA00-1BL0

  • Manufacturer:
    Siemens
  • Part Number:
    6ES7151-1CA00-1BL0
  • Product Family:
    Siemens Simatic DP
  • Product Type:
    SIMATIC ET 200S IM151-1 COMPACT 32DI Interface Module
  • Stock:
    1
  • Interface role:
    PROFIBUS DP slave
  • Module type:
    IM151-1 COMPACT
  • Bus interface:
    PROFIBUS DP
  • Integrated digital inputs:
    32
  • Input voltage:
    24 V DC
  • Input delay:
    3 ms
  • Expansion capacity:
    Up to 12 ET 200S modules
  • Fail-safe modules:
    Not supported
  • Station role:
    Distributed I/O interface
  • Protection class:
    IP20
  • Weight:
    0.288 kg
  • Estimated shipping dimensions:
    10.9 x 12.7 x 7.4 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 PROFIBUS Role Input Diagnostics ET 200S Expansion Product Applications

Features:

  • Combined station head: PROFIBUS DP interface and 32 standard inputs share one module
  • Controlled expansion: the station accepts up to 12 documented ET 200S modules
  • Safety boundary: the official configuration excludes fail-safe modules
6ES7151-1CA00-1BL0 forms a compact PROFIBUS-connected input station rather than a standalone central controller.

Its model-specific value lies in the integrated 32-channel input block and the defined expansion path for standard ET 200S modules.

A dependable replacement record keeps the bus address, station sequence, power grouping, input allocation, configuration file, and diagnostic baseline together.
Apter Power can review 6ES7151-1CA00-1BL0 bus, station, wiring, expansion, nameplate, and condition evidence before quotation.
Siemens 6ES7151-1CA00-1BL0 SIMATIC ET 200S IM151-1 COMPACT 32DI Interface Module Manuals, Datasheets, Links
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.
  • Station identity: retain the assigned PROFIBUS address and configured device definition.
  • Network timing: match the approved baud rate, segment layout, termination, and cable path.
  • Diagnostic boundary: separate bus loss from local power or input-channel faults before editing the project.
  • Channel map: preserve all 32 field-input assignments and common references.
  • Signal timing: account for the documented 3 ms standard input delay.
  • Field verification: prove supply, sensor state, wiring, and configured address for a missing input.
  • Module count: keep the extension within the documented maximum of 12 modules.
  • Sequence control: match the physical module order to the configured station image.
  • F-module exclusion: do not add fail-safe ET 200S modules to this compact interface.
  • Distributed machine inputs: collect standard 24 V DC signals over PROFIBUS DP.
  • Compact retrofit station: replace a documented IM151-1 COMPACT assembly while preserving its configuration.
  • Expandable standard I/O: add approved ET 200S modules within the stated non-safety boundary.
Description
6ES7151-1CA00-1BL0 is the SIMATIC ET 200S IM151-1 COMPACT interface module with 32 standard 24 V DC digital inputs. It connects the compact station to PROFIBUS DP and can extend the local assembly with as many as 12 ET 200S modules.

By combining the bus interface and a fixed input block, 6ES7151-1CA00-1BL0 reduces the separate hardware needed for a distributed input station. The official configuration specifically excludes fail-safe modules, which makes that boundary important during expansion and replacement planning.

Before commissioning 6ES7151-1CA00-1BL0, verify the PROFIBUS address and baud-rate design, power groups, input wiring, station configuration, allowed module count, and the absence of unsupported F modules. Preserve the approved hardware configuration and diagnostic record before exchange.
Alternative Names
6ES71511CA001BL0 6ES7 151-1CA00-1BL0 IM151-1 COMPACT 32DI ET 200S Compact PROFIBUS Interface
Technical notes
6ES7151-1CA00-1BL0 permits expansion by up to 12 ET 200S modules but does not support F modules. This boundary affects both hardware selection and the configured station image; compare the approved module sequence, PROFIBUS address, power groups, and input map before replacing or extending the station.
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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.
Why can 6ES7151-1CA00-1BL0 remain visible on PROFIBUS while several input channels appear inactive?
Separate bus communication from local field conditions. Check the affected input supply, commons, sensor voltage, wiring, channel addresses, and the configured station map before replacing the interface module.
What should be checked when 6ES7151-1CA00-1BL0 reports a station mismatch after module expansion?
Compare the physical module order and count with the approved hardware configuration, verify power groups and terminal units, and remove any unsupported F module before downloading another station image.
Can fail-safe ET 200S modules be added behind 6ES7151-1CA00-1BL0?
No. Siemens explicitly states that this compact interface does not support F modules. Use a manufacturer-documented safety-capable station architecture instead of extending the standard compact configuration by similarity.
Why can 6ES7151-1CA00-1BL0 lose communication only after a cable or connector is disturbed?
Inspect PROFIBUS termination, shield bonding, connector seating, station address, cable continuity, and segment length. A powered local input block does not prove that the network path is electrically valid.
How should a replacement 6ES7151-1CA00-1BL0 be validated before production resumes?
Restore the exact station configuration, verify all 32 input assignments and extension modules, check diagnostics, and perform point-to-point field tests before releasing the PLC program to control equipment.
Which records should accompany a 6ES7151-1CA00-1BL0 RFQ?
Provide nameplate images, station configuration, PROFIBUS address, extension-module list, power-group drawing, terminal-unit details, quantity, condition, destination, and outage schedule.

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