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      6ES5948-3UA11

      CPU Module
      In Stock
      Ships by Friday, October 30
      Fast Shipping Available
      Product image is representative; revision or series may vary. Contact us to request a specific version.

      Product Describe：

      Siemens 6ES5948-3UA11 is a SIMATIC S5 CPU 948 central processing unit for the S5-155U PLC with 640 Kbyte memory capacity. It executes STEP 5 control tasks and coordinates rack-based I/O and communication functions.

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      • 2

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      Technical specifications for 6ES5948-3UA11

      • Manufacturer:
        Siemens
      • Product Category:
        PLC Systems
      • Spare Part Number:
        6ES5948-3UA11
      • Estimated shipping dimensions:
        4.1x20.2x25.5cm
      • Weight:
        0.86 kg
      • Tariff Code:
        8537101190
      • Counliy of origin:
        Germany
      • Product family:
        SIMATIC S5
      • Processor type:
        CPU 948
      • Controller system:
        S5-155U
      • Memory capacity:
        640 Kbyte
      • Programming environment:
        STEP 5
      • Module role:
        Central processing unit
      • Lifecycle:
        Discontinued product
      View as PDF Ask for Quote

      Information

      Overview Manuals Common Applications Product Precautions
      Siemens 6ES5948-3UA11 combines the CPU 948 processor role with the documented 640 Kbyte memory execution for an S5-155U controller.
      • Provides the CPU 948 processing function for an S5-155U PLC.
      • Uses the documented 640 Kbyte memory execution.
      • Runs SIMATIC STEP 5 control programs.
      • Connects with the S5-155U rack, memory and interface resources.

      The cpu module serves a defined role in its documented SIMATIC system. Match the rack, interfaces, configuration and program safeguards before the controlled system returns to service.

      Important Notice: Verify the complete Siemens 6ES5948-3UA11 marking, system position, connector arrangement and controlled configuration before installation.

      Siemens 6ES5948-3UA11 Manuals & Downloads
      Siemens 6ES5948-3UA11 Technical Reference (PDF)Siemens 6ES5948-3UA11 Installation & Commissioning Guide (PDF)

      The Technical Reference covers the product function, system role and technical selection. The installation guide covers identification, connection checks, commissioning and the acceptance record.

      Machine control
      Execute the installed STEP 5 machine sequence.
      Process automation
      Coordinate logic, interlocks and rack I/O in an S5-155U system.
      Legacy-system maintenance
      Restore the documented CPU 948 execution without changing system architecture.
      Controlled restart
      Return the controller to its recorded operating state after verified replacement.
      Before installing Siemens 6ES5948-3UA11, confirm the documented system, interfaces and controlled configuration.
      1
      Confirm the complete 6ES5948-3UA11 marking and CPU 948 designation.
      2
      Verify that the rack is an S5-155U controller.
      3
      Back up the STEP 5 program and system parameters.
      4
      Record the slot, switch positions, memory and interface connections.
      5
      Apply power isolation and electrostatic-discharge controls.
      6
      Transfer memory only under the approved CPU-state procedure.
      7
      Check status LEDs, operating mode and I/O communication after startup.
      8
      Validate interlocks and the machine sequence before enabling outputs.

      Technical notes

      Verify the complete Siemens 6ES5948-3UA11 marking, system position, connector arrangement and controlled configuration before installation.

      FAQ View All FAQ

      • Which processor type is Siemens 6ES5948-3UA11?
        It is a SIMATIC S5 CPU 948 central processing unit.
      • Which PLC system uses Siemens 6ES5948-3UA11?
        It is assigned to the S5-155U programmable controller.
      • What memory capacity is documented for Siemens 6ES5948-3UA11?
        The article is identified with 640 Kbyte memory capacity.
      • Which programming environment applies to Siemens 6ES5948-3UA11?
        The application is managed in SIMATIC STEP 5.
      • What must be backed up before replacing Siemens 6ES5948-3UA11?
        Back up the STEP 5 program, configuration and operating parameters.
      • What completes commissioning of Siemens 6ES5948-3UA11?
        Verify CPU status, operating mode, I/O communication, interlocks and sequence control.
      • Which installation records should accompany Siemens 6ES5948-3UA11?
        Record the complete article number, cpu module position, connections, controlled settings and functional test result.
      • When can Siemens 6ES5948-3UA11 return to service?
        Return it to service only after diagnostics, communication, interlocks and the intended system response meet the approved acceptance criteria.
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