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        • Lifecycle status

          Discontinued / Obsolete by OEM
          Manual retrieval and ET 200S model matching are available from Apter Power for Siemens 6ES7151-1CA00-0AB0.

        6ES7151-1CA00-0AB0

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        1001 reviews ｜ Need a Specific Revision?
        As the station head for a basic ET 200S node, Siemens 6ES7151-1CA00-0AB0 connects as many as twelve non-safety I/O or motor-starter modules to PROFIBUS DP.
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        Warranty Policy
        We provide 1 year warranty for all remaining parts.
        The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
        Return Notice
        The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
        In the event of a defect, we will send new equipment, repair equipment or refund the purchase price based on our availability. You must contact us to obtain a return authorization and return the defective device to us within 14 days of reporting the defect.
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        Various transportation options are available in each country. Shipping methods and fees are clearly indicated on all quotations.Various transportation options are available in each country. Shipping methods and fees are clearly indicated on all quotations.
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        Apter Power offers a wide range of components, products and services related to industrial automation. We also supply new products from a variety of quality manufacturers.
        How to order
        We have been working hard to update our inventory. If we have stock or parts available for new factory purchases, you can contact the order online. If we do not currently have an inventory, the displayed quantity will show "Ask". Please create an online quote or contact us by phone, fax or email to check availability.

        Technical specifications for 6ES7151-1CA00-0AB0

        • Manufacturer:
          Siemens
        • Part Number:
          6ES7151-1CA00-0AB0
        • Product Family:
          Siemens Simatic DP
        • Product Type:
          SIMATIC DP ET 200S IM151-1 Basic Interface Module
        • Stock:
          1
        • Expansion Limit:
          Up to 12 power, electronic, or motor-starter modules
        • Safety Modules:
          Not supported
        • PROFIBUS Interface:
          RS485
        • Bus Connector:
          9-pin D-sub
        • Maximum Data Rate:
          12 Mbit/s
        • Input Address Space:
          Up to 88 bytes
        • Output Address Space:
          Up to 88 bytes
        • Rated Supply:
          24 V DC
        • Supply Current:
          Up to 70 mA
        • Power Loss:
          Typically 1.5 W
        • Interface Output Current:
          Up to 80 mA
        • Supported DP Functions:
          SYNC, FREEZE, and direct data exchange
        • Weight:
          0.37 lbs (0.167 kg)
        • Estimated shipping dimensions:
          12.7×8.5×6.9cm
        • Tariff Code:
          85176200
        • 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 Station Assembly DP Exchange Address Layout LED Checks

        Features:

        • The Basic IM151-1 interface links an ET 200S station to PROFIBUS DP through an RS485 bus connection.
        • A station may contain up to twelve supported power, electronic, or motor-starter modules without fail-safe modules.
        • Supply, bus-fault, and system-fault indicators provide separate checkpoints during station commissioning.
        Siemens 6ES7151-1CA00-0AB0 occupies the first position of the ET 200S assembly and manages the internal station bus for the modules that follow it.

        The PROFIBUS connector and the supplied ET 200S terminating module close different boundaries: one belongs to the fieldbus cable and the other to the station backplane.

        Its Basic feature set focuses on conventional distributed I/O exchange and excludes the F-module configuration used by safety-oriented interface variants.
        The Siemens 6ES7151-1CA00-0AB0 SIMATIC DP ET 200S IM151-1 Basic Interface Module may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
        Siemens 6ES7151-1CA00-0AB0 SIMATIC DP ET 200S IM151-1 Basic 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.

        Building the Basic ET 200S node

        • Head Position: The IM151-1 Basic starts the station and connects the internal bus to PROFIBUS DP.
        • Module Sequence: Power, electronic, and supported motor-starter modules follow in the configured order.
        • Station End: The supplied terminating module closes the ET 200S backplane after the final module.
        • Safety Boundary: Fail-safe modules are not part of the supported Basic station configuration.

        Moving the station process image

        • Input Direction: Signals collected by the ET 200S modules are transferred to the PROFIBUS master input area.
        • Output Direction: Controller output data is distributed to the addressed ET 200S output modules.
        • Synchronization: SYNC and FREEZE services provide coordinated output or input handling when the master uses them.
        • Direct Exchange: Supported direct data exchange permits DP communication paths defined by the master configuration.

        Keeping slots and process data aligned

        • Configured Order: The project module sequence must match the physical station from left to right.
        • Input Allocation: Each input module occupies the bytes assigned to it within the station input area.
        • Output Allocation: Output modules consume their configured positions in the station output area.
        • Change Control: Adding or moving a module requires the hardware configuration and physical layout to remain consistent.

        Separating power, bus, and station conditions

        • Supply State: The power indication confirms that the interface electronics receive their 24 V DC supply.
        • Bus Fault: BF identifies a PROFIBUS communication or configuration problem at the station head.
        • System Fault: SF points to an interface or attached-module diagnostic condition.
        • Combined Reading: Interpreting the indicators together distinguishes a missing supply from a network or station fault.
        Description
        Siemens 6ES7151-1CA00-0AB0 is a SIMATIC DP IM151-1 Basic interface module for an ET 200S distributed I/O station. It terminates the PROFIBUS DP connection at the station head and coordinates as many as twelve supported power, electronic, or motor-starter modules.

        The fieldbus side of 6ES7151-1CA00-0AB0 uses an RS485 interface through a 9-pin D-sub connector. A terminating module closes the internal ET 200S backplane at the far end of the assembled station, keeping bus termination and station termination as separate functions.

        Process exchange through 6ES7151-1CA00-0AB0 provides defined input and output address areas for the installed modules. PROFIBUS services including SYNC, FREEZE, and direct data exchange operate within this Basic interface's documented feature set.

        The indicator groups on 6ES7151-1CA00-0AB0 separate supply, bus, and station faults during commissioning. Electrical isolation at the PROFIBUS interface preserves the network boundary, while the module's Basic configuration excludes fail-safe modules from the station layout.
        Alternative Names
        6ES71511CA000AB0 6ES7 151-1CA00-0AB0 6ES7 151 1CA00 0AB0 Siemens 6ES7151-1CA00-0AB0 SIMATIC 6ES7151-1CA00-0AB0 6ES7151-1CA00-0AB0 IM151-1 Basic 6ES7151-1CAOO-OABO 6ES7151 1CA00 0AB0 ET 200S Interface
        Technical notes
        Siemens 6ES7151-1CA00-0AB0 is the Basic IM151-1 head module for a twelve-position ET 200S station. F modules are outside this interface variant's supported station scope.
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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.
        VIEW ALL FAQS
        Why can Siemens 6ES7151-1CA00-0AB0 not be planned with more than twelve modules?
        Siemens 6ES7151-1CA00-0AB0 is the Basic IM151-1 variant, whose documented ET 200S expansion limit is twelve supported modules.
        Can fail-safe ET 200S modules be installed behind Siemens 6ES7151-1CA00-0AB0?
        No. Siemens 6ES7151-1CA00-0AB0 does not support F modules in its Basic station configuration.
        Which connector carries PROFIBUS for Siemens 6ES7151-1CA00-0AB0?
        Siemens 6ES7151-1CA00-0AB0 uses a 9-pin D-sub RS485 interface for the PROFIBUS DP connection.
        Does the terminating module supplied with Siemens 6ES7151-1CA00-0AB0 terminate the PROFIBUS cable?
        No. The terminating module for Siemens 6ES7151-1CA00-0AB0 closes the ET 200S backplane; PROFIBUS cable termination remains at the bus connector.
        What should be checked when BF is lit on Siemens 6ES7151-1CA00-0AB0?
        For Siemens 6ES7151-1CA00-0AB0, check bus wiring and termination, the PROFIBUS address, master configuration, and the configured station sequence.
        How should a replaced module be aligned with Siemens 6ES7151-1CA00-0AB0?
        The replacement behind Siemens 6ES7151-1CA00-0AB0 must occupy the configured ET 200S position and match the module type assigned to that slot.

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