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PRODUCT DESCRIPTION
ControlLogix 5590 standard and safety processing
Allen-Bradley 1756-L902TS provides ControlLogix 5590 standard and safety processing with 2 MB allocated to each program domain. Its embedded communications support up to 30 EtherNet/IP devices and 300 OPC UA nodes, alongside two Ethernet ports and a USB-C programming interface.
Select this controller against the actual program size, connected-device count and required safety architecture. Installation uses a compatible 1756 chassis, with firmware and project settings checked before operation. Follow the manufacturer safety configuration and validation procedures whenever commissioning or replacing a safety-related controller.
Select this controller against the actual program size, connected-device count and required safety architecture. Installation uses a compatible 1756 chassis, with firmware and project settings checked before operation. Follow the manufacturer safety configuration and validation procedures whenever commissioning or replacing a safety-related controller.
BEFORE YOU BUY
Confirm the complete installed configuration
ACTUAL APPLICATIONS
1756-L902TS 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.
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01 · Cell automation
Compact networked control cells
Within the documented 30-device EtherNet/IP limit, the controller executes the control-cell application and exchanges data with compatible I/O. Confirm program memory and communications loading for the specific installation. -
02 · Equipment protection
Safety-related machine functions
The safety program can manage documented protective functions using compatible safety devices and the approved architecture. The controller must be configured and validated for the required function before the equipment is released for use. -
03 · Maintenance information
Controller data and diagnostics
The controller status display and supported OPC UA data access help engineers inspect the configured system. Select the needed data within the 300-node capacity and apply the manufacturer access and security requirements.
Technical specifications for 1756-L902TS
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Product Model1756-L902TS
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Product ParametersControlLogix 5590 safety-capable controller
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In stock1 unit
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ManufacturerAllen-Bradley
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Program memory2 MB standard; 2 MB safety
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EtherNet/IP device capacity30 maximum
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OPC UA node capacity300 maximum
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Embedded EthernetTwo ports; 10/100/1000 Mbps
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USB connectionUSB 2.0 Type-C, temporary local service
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Controller task capacity32 tasks
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Programs per task1000
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Status indicationFour-character alphanumeric display
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Backplane current1.2 A at 5.1 V DC; 5 mA at 1.2 V DC
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Operating range0 to 60 degrees Celsius in supported Series C chassis
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EnclosureOpen-type; protective enclosure required
View all additional
Alternative Names
1756-L902TS ControlLogix controller
ControlLogix 5590 1756-L902TS
Allen-Bradley 1756-L902TS 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-L902TS 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-L902TS 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-L902TS supports document applicability checks before installation or replacement.
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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.
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Shipping & delivery
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DispatchEligible stock: same / next day
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CarriersDHL, FedEx or UPS
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Ship fromXiamen, China
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Packed sizePacked dimensions unconfirmed
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Shipping weightGross weight unconfirmed
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Payment & customs
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PaymentBank transfer (T/T)
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CurrenciesUSD · EUR · GBP · RMB
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Credit cardsNot accepted
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HS referenceClassification unconfirmed
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OriginUnited States of America
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Warranty & returns
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Warranty12 months from AMIKON
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InspectionLabel, condition and packing checks
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ReturnsPrior RMA authorisation required
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CompatibilityConfirm before order
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OEM warrantyDoes not apply
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Your written quote confirms the product identity, price, availability, lead time, warranty and shipping terms before payment.
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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-L902TS
Direct answers about identity, compatibility, stock, warranty, payment and shipping.
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What are the separate memory limits of 1756-L902TS?
The controller provides 2 MB standard memory and 2 MB safety memory. Check both program domains independently rather than treating the two allocations as one interchangeable memory pool. -
Is 300 the number of supported Ethernet devices?
No. The catalog lists 30 EtherNet/IP devices and 300 OPC UA nodes. These are different limits and should not be exchanged when sizing a system. -
Which chassis must be checked before installation?
Confirm the supported 1756 chassis and its series against the controller specifications. The operating-temperature rating depends on the installed chassis conditions, and the power supply must cover the total backplane load. -
Is USB-C intended for permanent I/O communications?
No. The USB port is a temporary local service connection for programming, configuration, firmware updates and online edits. Do not use it as a permanent field I/O connection. -
Can a safety partner be added in every redundancy configuration?
No. The 5590 specifications place restrictions on safety-partner use when controller redundancy is enabled. Check the exact firmware and high-availability architecture before combining these functions. -
What should be checked after replacing this controller?
Restore the approved project only after confirming catalog number, firmware and network settings. For safety applications, also follow the manufacturer safety-signature, ownership and validation procedures before returning the machine to service.
READY TO VERIFY YOUR PART?
Get a 1756-L902TS quote with price, lead time and revision check.
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