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PRODUCT DESCRIPTION
1771-A4B Sixteen-slot I/O chassis
The Allen-Bradley 1771-A4B is a sixteen-slot i/o chassis for the Allen-Bradley PLC-5 platform. Its documented identity and technical characteristics define the electrical, communication, control or mechanical interface required by the installed system.
For maintenance and replacement, confirm the complete article code, hardware execution, host-system configuration and connected circuits before removal. Restore the approved project where applicable and validate every affected function through controlled commissioning.
For maintenance and replacement, confirm the complete article code, hardware execution, host-system configuration and connected circuits before removal. Restore the approved project where applicable and validate every affected function through controlled commissioning.
BEFORE YOU BUY
Confirm the complete Sixteen-slot I/O chassis
ACTUAL APPLICATIONS
Application fields for 1771-A4B
1771-A4B is used across compatible installations in the following broad industrial application fields, subject to verified system design and operating requirements.
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01 · INDUSTRIAL MANUFACTURING
Industrial Manufacturing and Continuous Production
Discrete manufacturing and assembly productionContinuous industrial production operations -
02 · WATER & WASTEWATER
Municipal Water and Industrial Wastewater Services
Municipal water treatment servicesIndustrial wastewater treatment operations -
03 · POWER GENERATION
Thermal, Hydroelectric and Renewable Power Generation
Thermal and hydroelectric power productionRenewable generation and energy integration
Technical specifications for 1771-A4B
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Product Model1771-A4B
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Spare Model1771A4B
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Product ParametersSixteen-slot I/O chassis
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In stock1 unit
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ManufacturerAllen-Bradley
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I/O Module Slots16
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Maximum Backplane Current @5V dc24A
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Operating Temperature0–60°C (32–140°F)
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Storage Temperature−40–85°C (−40–185°F)
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Humidity5–95% RH, non-condensing
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Chassis familyBulletin 1771 universal I/O
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Module slots16
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Maximum backplane current24 A at 5 V DC
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Addressing modesTwo-slot, one-slot, and half-slot
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Power supply positionExternal or chassis-mounted supply
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Processor compatibilityPLC-5 and compatible 1771 adapters
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Backplane functionModule power and data bus
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Mounting orientationHorizontal panel mounting
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Module keyingChassis keying bands
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Cooling methodNatural convection
View all additional
Revisions
Revision Part #
Also known as
Alternative Names
Allen-Bradley Sixteen-slot I/O chassis
Allen-Bradley PLC-5
Sixteen-slot I/O chassis for Allen-Bradley PLC-5
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
SYSTEM INTEGRATION
Integrate 1771-A4B Sixteen-slot I/O chassis
Integrate 1771-A4B as the documented Sixteen-slot I/O chassis within the Allen-Bradley PLC-5 architecture. Confirm i/o module slots as 16 and maximum backplane current @5v dc as 24A before installation.
The installation must accommodate operating temperature of 0–60°C (32–140°F), storage temperature of −40–85°C (−40–185°F) and humidity of 5–95% RH, non-condensing. Apply the manufacturer wiring, shielding, grounding and ventilation requirements for the selected platform.
Commission the assembly with the host controller or drive in a controlled state. Review diagnostics, test all affected channels or communication paths, and record the final hardware identity and acceptance results.
Features:
- Exact identity: 1771-A4B
- Family: Allen-Bradley PLC-5
- Documented integration and testing
1771-A4B requires documented system integration before energising the installation.
INTERCHANGEABILITY
Verify 1771-A4B before replacement
Select 1771-A4B by its complete article identity and its documented Sixteen-slot I/O chassis function in the Allen-Bradley PLC-5 platform. Similar family hardware can differ in electrical range, firmware behavior or connector assignment.
Before replacement, record the installed position, revision, connector orientation and active configuration. Compare chassis family of Bulletin 1771 universal I/O, module slots of 16 and maximum backplane current of 24 A at 5 V DC with the proposed article.
After fitting the confirmed article, restore the approved project and evaluate the device through normal diagnostics. Test every affected function under controlled conditions before returning the equipment to service.
Features:
- Match 1771-A4B exactly
- Record connections and settings before removal
- Complete controlled post-installation tests
1771-A4B requires replacement verification against the installed hardware and configuration.
DOCUMENTATION STATUS
Browse the Manuals, Datasheets, Official Documents, Links
Important Notice: The linked files are Amikong-hosted reference documents. Match their product identity and scope to the supplied assembly, and consult the applicable manufacturer instructions before use. Accessories and additional documents are included only when expressly listed in the quotation.Features:
- Technical data prepared for 1771-A4B
- Official manufacturer document added only when exact-model evidence is available
- Series and brand directories follow the product breadcrumb
Documentation for 1771-A4B must be checked against the installed configuration before service.
Also searched as
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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Product size50.8 × 27.9 × 17.8 cm
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Net weight7.70 kg
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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 reference8538901190
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OriginUnited States
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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 1771-A4B
Direct answers about identity, compatibility, stock, warranty, payment and shipping.
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What is 1771-A4B?
1771-A4B is a Sixteen-slot I/O chassis for the Allen-Bradley PLC-5. -
Which identity must be used when ordering 1771-A4B?
Use the complete 1771-A4B marking and compare it with the installed label and project records. -
Can a similar family item replace 1771-A4B?
Do not confirm substitution from a family name or similar appearance. Verify the complete code, interfaces, revision and approved configuration. -
What should be recorded before removing 1771-A4B?
Record the installed position, connections, cable labels, settings and diagnostic state. -
What should be inspected when 1771-A4B arrives?
Inspect the label, housing, connectors, terminals and packaging for correct identity and condition. -
Which checks follow installation?
Restore the approved configuration and complete controlled power-up, diagnostic and functional tests. -
What information should accompany a quotation?
Provide the complete model, quantity, clear label photographs, destination and required delivery date. -
Which documentation applies?
Use the manufacturer documentation for Allen-Bradley PLC-5 and confirm that its scope covers the installed configuration.
READY TO VERIFY YOUR PART?
Get a 1771-A4B quote with price, lead time and revision check.
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Product Browsing History
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1771-A4BSixteen-slot I/O chassisManufacturer: Allen-BradleyView Details
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