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      6ES5941-7UB11

      S5 CPU Module
      In Stock
      Ships by Friday, October 9
      Fast Shipping Available

      Product Describe：

      Siemens 6ES5941-7UB11 is s5 cpu module. It executes the STEP 5 control program for an S5-115U system and provides two kilobytes of internal user RAM.

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      Technical specifications Information Technical notes FAQ

      Technical specifications for 6ES5941-7UB11

      Technical specifications for 6ES5941-7UB11

      • Manufacturer:
        Siemens
      • Product Category:
        PLC Systems
      • Spare Part Number:
        6ES5941-7UB11
      • Estimated shipping dimensions:
        4.2x20.5x30.9cm
      • Weight:
        0.72 kg
      • Tariff Code:
        8537101190
      • Counliy of origin:
        USA
      • Processor designation:
        CPU 941
      • Controller system:
        SIMATIC S5-115U
      • Internal user memory:
        2 KB RAM
      • Program execution:
        STEP 5 control program
      • Optional memory submodule:
        Up to 32 KB documented for the CPU family
      • Integrated functions:
        Interrupt and substitution operations; S5 bus control
      • PID support:
        Integral PID algorithms in CPU 941 to CPU 944 operating systems
      • PID sampling reference:
        From 100 ms
      • PID loop reference:
        Up to eight loops
      • Lifecycle:
        Discontinued; deleted without replacement
      • Lifecycle effective date:
        1 October 2022
      • Siemens catalog identifier:
        ST9-E5
      View as PDF Ask for Quote

      Information

      Information

      Overview Manuals Common Applications Product Precautions
      Siemens 6ES5941-7UB11 is s5 cpu module. It executes the STEP 5 control program for an S5-115U system and provides two kilobytes of internal user RAM.
      • Executes the S5-115U control program
      • Provides two kilobytes of internal RAM
      • Controls the S5 backplane bus
      • Supports documented PID control functions

      6ES5941-7UB11 operates with SIMATIC S5-115U rack and power supply, approved STEP 5 project and memory arrangement, S5 input and output modules, backup battery and retentive-data plan.

      Engineered applications include Legacy machine sequence control, S5-115U process automation, STEP 5 controller restoration, CPU 941 replacement.

      Important Notice: Back up the STEP 5 project and retentive data, record processor mode and memory hardware, and maintain battery support when required by the installed power-supply procedure.

      Siemens 6ES5941-7UB11 Manuals & Downloads
      Siemens 6ES5941-7UB11 Technical Reference (PDF)Siemens 6ES5941-7UB11 Installation & Commissioning Guide (PDF)

      Important Notice: The first document presents exact-model technical and engineering data. The second provides a separate installation, connection, commissioning and acceptance workflow.

      Legacy machine sequence control
      Executes established machine logic on the S5 backplane.
      S5-115U process automation
      Coordinates analog and digital modules in legacy process equipment.
      STEP 5 controller restoration
      Restores an approved STEP 5 application and retentive data set.
      CPU 941 replacement
      Renews the exact two-kilobyte CPU position.
      Read the applicable Siemens instructions before work. Verify 6ES5941-7UB11 and the installed SIMATIC S5-115U programmable controller configuration.
      1
      Verify the complete 6ES5941-7UB11 marking and the assigned SIMATIC S5-115U programmable controller position before work.
      2
      Place the connected legacy machine sequence control process in the approved maintenance state.
      3
      Isolate all applicable power and step 5 program execution and s5 backplane control field energy before disconnection.
      4
      Record every connector, conductor, address, jumper and project identity before removal.
      5
      Use ESD controls and protect keyed interfaces, exposed contacts and electronic assemblies.
      6
      Confirm the installed SIMATIC S5-115U rack and power supply and approved STEP 5 project and memory arrangement against the approved system record.
      7
      Restore power in a controlled sequence and review module, rack and host diagnostics.
      8
      Prove the intended s5-115u process automation function and retain the final acceptance result.

      Technical notes

      Technical notes

      Official source: Siemens SIMATIC S5-115U Programmable Controller Manual and exact Industry Mall article record. Publication: EWA 4NEB 811 6130-02b; 6ES5941-7UB11.

      FAQS

      • What controller role does Siemens 6ES5941-7UB11 perform?
        It is the CPU 941 central processor for a SIMATIC S5-115U programmable controller.
      • How much internal user memory is available in 6ES5941-7UB11?
        The exact article is documented with 2 KB of internal RAM for the control program.
      • What program must be secured before replacing 6ES5941-7UB11?
        Back up the approved STEP 5 program, data blocks, retentive flags, timers, counters and the as-found operating mode.
      • How is retained data protected around a 6ES5941-7UB11 exchange?
        Follow the S5-115U power-supply and battery procedure so program memory and retentive data are not unintentionally lost.
      • Which backplane duties are handled by 6ES5941-7UB11?
        The CPU executes the control program, manages interrupts and substitution operations, and controls data exchange on the S5 bus.
      • Can 6ES5941-7UB11 be used for PID control?
        The S5-115U manual documents integral PID algorithms for CPU 941 to CPU 944, with sampling from 100 ms and up to eight loops when engineered.
      • Why is a different S5 CPU not an automatic substitute for 6ES5941-7UB11?
        Memory capacity, execution behavior, interfaces and project compatibility differ; compare the complete hardware and software configuration.
      • What acceptance sequence should follow a 6ES5941-7UB11 installation?
        Restore the approved project, confirm CPU and battery diagnostics, verify all I/O, and run the machine sequence under controlled conditions.
      Trusted by 5,000+ plants worldwide | Backed by our vast inventory of top-tier control parts, modules and cards, fast shipments are dispatched to cover your urgent needs. ABOUT US >>
      Disclaimer: We are not an authorized distributor or distributor of the product manufacturer of this website, The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because our company is not an authorized distributor of this product, the Original Manufacturer`s warranty does not apply.While many DCS PLC products will have firmware already installed, Our company makes no representation as to whether a DSC PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. Our company also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from our company, its distributors, or any other source. Our company also makes no representations as to your right to install any such firmware on the product. Our company will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.

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