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      Allen-Bradley 1756-L905TS
      · Product image is representative; revision or series may vary. Contact us to request a specific version.
      Ships by Thursday, September 17

      1756-L905TS

      ControlLogix 5590 safety-capable controller

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          PRODUCT DESCRIPTION

          ControlLogix 5590 standard and safety processing

          Allen-Bradley 1756-L905TS is a ControlLogix 5590 controller providing 5 MB of standard memory and 5 MB of safety memory. It supports up to 100 EtherNet/IP devices and 1000 OPC UA nodes, with two embedded Ethernet ports and a USB-C service interface.

          The controller combines standard automation and supported safety functions within a compatible Logix project. Check chassis series, power capacity, firmware and application requirements before installation; safety performance depends on the documented configuration, safety project and validation, not on the catalog number alone.
          BEFORE YOU BUY

          Confirm the complete installed configuration

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          ACTUAL APPLICATIONS

          1756-L905TS controller application roles

          These roles follow the official ControlLogix 5590 system documentation. They describe supported engineering uses, not installations attributed to a named customer or a claim that every configuration supports every feature.
          • 01 · Machine coordination

            Networked machine control

            The controller executes the machine program and communicates with supported EtherNet/IP devices. The 100-device capacity is a planning limit; verify connection loading, communications traffic and project execution requirements.
          • 02 · Safety functions

            Validated protective control

            In a documented safety configuration, the separate safety program coordinates compatible safety devices. Define the safety functions and verify the safety signature and required validation before commissioning.
          • 03 · Information exchange

            OPC UA data access

            The 1000-node OPC UA capacity provides a documented route for exposing supported controller data. Configure the required server settings, certificates and access policy; do not treat a node limit as a guaranteed client performance figure.

          Technical specifications for 1756-L905TS

          • Product Model
            1756-L905TS
          • Product Parameters
            ControlLogix 5590 safety-capable controller
          • In stock
            1 unit
          • Manufacturer
            Allen-Bradley
          • Program memory
            5 MB standard; 5 MB safety
          • EtherNet/IP device capacity
            100 maximum
          • OPC UA node capacity
            1000 maximum
          • Embedded Ethernet
            Two ports; 10/100/1000 Mbps
          • USB connection
            USB 2.0 Type-C, temporary local service
          • Controller task capacity
            32 tasks
          • Programs per task
            1000
          • Status indication
            Four-character alphanumeric display
          • Backplane current
            1.2 A at 5.1 V DC; 5 mA at 1.2 V DC
          • Operating range
            0 to 60 degrees Celsius in supported Series C chassis
          • Enclosure
            Open-type; protective enclosure required
          View all additional
          View as PDF Ask for Quote

          Alternative Names

          1756-L905TS ControlLogix controller ControlLogix 5590 1756-L905TS Allen-Bradley 1756-L905TS safety-capable PLC
          SYSTEM & REPLACEMENT CHECK

          Information needed before ordering

          Three direct checks to secure your system integration and minimize ordering risks.

          Information

          System integration Replacement check Manuals & support
          CONTROLLOGIX 5590

          Verify the controller, project and chassis together

          Match the exact controller capacity to the standard and safety applications. EtherNet/IP device limits and OPC UA node limits represent different planning constraints and do not replace a communications-load assessment.
          Use the supported chassis, power supply, firmware and programming environment. The embedded Ethernet ports and temporary USB service port have different roles; follow the installation and network instructions for the chosen architecture.
          Safety-related use requires the corresponding manufacturer safety configuration and validation procedures. Redundancy also introduces documented restrictions, including limitations on safety-partner and embedded-port use.

          Features:

          • Catalog-specific memory and device limits
          • Compatible chassis series and firmware
          • Validated safety and redundancy configuration
          The Allen-Bradley 1756-L905TS requires controller, project and installation checks before system integration and commissioning.
          INTERCHANGEABILITY

          Verify the complete replacement identity before commissioning

          Identify the complete installed catalog number and hardware series before selecting replacement hardware. A controller with more memory is not automatically an unchanged substitute for the installed configuration.
          Review firmware compatibility, supported instructions and existing I/O connections before importing or restoring a project. Confirm that the chosen controller has adequate standard and safety program capacity.
          After replacement, verify network settings, diagnostics and application operation. Where safety functions are involved, follow the documented safety-signature and validation process before returning the equipment to service.

          Features:

          • Compare complete catalog numbers
          • Check firmware and project conversion requirements
          • Revalidate affected safety functions
          The Allen-Bradley 1756-L905TS requires replacement verification against the complete installed configuration and current manufacturer documentation.
          DOCUMENTATION STATUS

          Browse the Manuals, Datasheets, Official Documents, Links

          Important Notice: Amikon is an independent supplier. Consult the applicable Rockwell Automation documentation and installed configuration before selection, installation or replacement.

          Features:

          • Exact-model reference documents
          • Hardware and system compatibility checks
          • Accessories are supplied only when listed in the quotation
          Documentation for the Allen-Bradley 1756-L905TS supports document applicability checks before installation or replacement.

          Also searched as

          1756-LSC8XIB8I 1756-L82E 1756-SYNCH 1756-HSC/B 1756-L63/A

          Important notice

          Manuals, software, firmware, cables, calibration data and accessories are included only when listed in the quotation. AMIKON is an independent supplier and is not affiliated with or authorised by the manufacturer.
          This content has been produced using multiple sources. Takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.
          BUYER INFORMATION

          Commercial terms without hidden steps

          Your written quote confirms the product identity, price, availability, lead time, warranty and shipping terms before payment.
          • 01

            Shipping & delivery

            Dispatch
            Eligible stock: same / next day
            Carriers
            DHL, FedEx or UPS
            Ship from
            Xiamen, China
            Packed size
            Packed dimensions unconfirmed
            Shipping weight
            Gross weight unconfirmed
          • 02

            Payment & customs

            Payment
            Bank transfer (T/T)
            Currencies
            USD · EUR · GBP · RMB
            Credit cards
            Not accepted
            HS reference
            Classification unconfirmed
            Origin
            United States of America
          • 03

            Warranty & returns

            Warranty
            12 months from AMIKON
            Inspection
            Label, condition and packing checks
            Returns
            Prior RMA authorisation required
            Compatibility
            Confirm before order
            OEM warranty
            Does not apply
          Your written quote confirms the product identity, price, availability, lead time, warranty and shipping terms before payment.

          • Part checked

            Full suffix recorded

          • Condition checked

            Label and appearance

          • Packing checked

            Antistatic protection

          • Tracking supplied

            Established couriers

          • Sandy Lin

            Dedicated account manager · 15+ years
          FREQUENTLY ASKED QUESTIONS

          Questions buyers ask about 1756-L905TS

          Direct answers about identity, compatibility, stock, warranty, payment and shipping.

          • Are standard and safety memory shared in 1756-L905TS?

            Rockwell Automation lists 5 MB of standard memory and 5 MB of safety memory. They are separate capacities; size each application against its corresponding memory allocation.

          • How many EtherNet/IP devices can this controller support?

            The catalog-specific maximum is 100 EtherNet/IP devices. Also check connection loading, packet rates and the selected network architecture; the device limit alone does not establish performance.

          • Does the USB-C port power external equipment?

            No. The documented USB interface does not support powering external devices. It is intended for temporary programming, configuration, firmware updates and online edits, not permanent field connectivity.

          • Can I connect up to 1000 OPC UA clients?

            No. The published 1000 figure is the supported OPC UA node count, not a client count. Check the controller OPC UA configuration and client limits in the applicable firmware documentation.

          • Does installing this controller alone establish a safety rating?

            No. Safety use requires the documented system architecture, compatible devices, configured safety application and validation. Review the applicable safety manual and installed configuration before use.

          • Can I reuse a project from an older ControlLogix controller unchanged?

            Do not assume an unchanged migration. Check the Rockwell Automation controller replacement guidance, supported instructions, firmware and I/O configuration, and revalidate any affected safety functions.
          READY TO VERIFY YOUR PART?

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