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- 1783-BMS20CL
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PRODUCT DESCRIPTION
Stratix 5700 switching with a mixed copper and fiber port configuration
Allen-Bradley 1783-BMS20CL is a twenty-port Stratix 5700 managed industrial Ethernet switch with Lite firmware. Its port arrangement combines sixteen copper Fast Ethernet ports, two dedicated SFP ports and two dual-purpose ports for an engineered industrial network.
Rockwell Automation lists this catalog as discontinued and identifies an engineering replacement rather than a guaranteed interchangeable unit. Preserve the existing network configuration, verify the required media and software functions, and assess power, enclosure and commissioning requirements before changing the installation.
Rockwell Automation lists this catalog as discontinued and identifies an engineering replacement rather than a guaranteed interchangeable unit. Preserve the existing network configuration, verify the required media and software functions, and assess power, enclosure and commissioning requirements before changing the installation.
BEFORE YOU BUY
Confirm the complete installed configuration
ACTUAL APPLICATIONS
Application context for 1783-BMS20CL
1783-BMS20CL is a Managed industrial Ethernet switch for compatible Allen-Bradley systems. Its application context includes food and beverage, water and wastewater, automotive. Suitability depends on the complete part number, equipment revision, electrical interfaces and documented configuration.
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01 · FOOD & BEVERAGE
Food Manufacturing and Beverage Processing
Industrial Food ProductionBeverage Processing and Packaging -
02 · WATER & WASTEWATER
Drinking Water Production and Sewage Treatment
Municipal Drinking Water SupplyWastewater Collection and Treatment -
03 · AUTOMOTIVE
Vehicle Production and Automotive Part Manufacturing
Vehicle Body ProductionAutomotive Component Manufacturing
Technical specifications for 1783-BMS20CL
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Product Model1783-BMS20CL
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Product ParametersManaged industrial Ethernet switch
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In stock1 unit
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ManufacturerAllen-Bradley
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Port arrangement16 copper 10/100 ports, two dedicated 10/100 SFP ports and two 10/100 dual-purpose ports
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Firmware feature tierLite
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Switch power input12 to 48 V DC; 0.5 to 3.0 A maximum range in installation table
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Power consumption21 W at 24 V DC and 40 degrees C; 30 W maximum
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Alarm relay rating1.0 A at 30 V DC or 0.5 A at 48 V DC; not pilot-duty rated
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DC isolation50 V continuous basic insulation: DC power to ground, Ethernet and alarm ports
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Enclosure requirementOpen-style equipment; suitable industrial enclosure required
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Maximum surrounding air60 degrees C; apply any stricter SFP limits
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Mounting orientationUpright DIN rail; alternative orientations not supported
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Power and alarm wire0.5 to 0.8 mm2 (20 to 18 AWG) specified twisted-pair copper
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Ground conductor4.0 mm2 (12 AWG) minimum stranded copper
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Conductor strip length6.3 mm plus or minus 0.5 mm for power and alarm wiring
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Power and alarm terminal torque0.23 N m maximum
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Ground terminal torque0.4 N m per 1783-IN016C installation instructions
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Alarm cable length10 m maximum
View all additional
Alternative Names
Allen-Bradley 1783-BMS20CL switch
Stratix 5700 1783-BMS20CL
1783-BMS20CL Lite managed switch
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
STRATIX 5700 LITE
Verify media, firmware features and alarm wiring
Match the exact BMS20CL catalog suffix and Lite firmware feature tier. Record how each copper, dedicated SFP and dual-purpose port is used before replacing or reconfiguring the switch.
Follow the upright enclosure installation, supply, grounding and alarm instructions for this hardware. Use the detailed installation guidance where summary catalog fields conflict and confirm the applicable revision.
Restore only a validated network configuration. Check media operation, device communication, alarm behavior and startup status before the switch is put back into service.
Features:
- Exact port and firmware tier
- Qualified media and grounding
- Configuration and alarm validation
The Allen-Bradley 1783-BMS20CL requires engineering checks before system integration and commissioning.
INTERCHANGEABILITY
Verify the complete replacement identity before commissioning
Rockwell Automation identifies 1783-BMS20CL as discontinued from September 1, 2024. The official product page names 1783-CMS20DB in the Engineering Replacement category.
An engineering replacement is not a promise of direct interchangeability. Compare port media and speed, supported firmware functions, enclosure fit, supply and network configuration before ordering replacement hardware.
Back up the existing configuration and document the required network behavior. Commission and test the proposed replacement with the actual controllers, operator stations and alarm circuits before normal operation.
Features:
- Discontinued September 1, 2024
- Engineering replacement: 1783-CMS20DB
- Migration and validation required
The Allen-Bradley 1783-BMS20CL 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 1783-BMS20CL 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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OriginChina
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03
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 1783-BMS20CL
Direct answers about identity, compatibility, stock, warranty, payment and shipping.
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Are both sockets of a dual-purpose port separate usable ports?
No. A dual-purpose connection is one logical port using its copper or supported SFP media option. Plan the network against twenty logical ports, not the number of visible connector openings. -
Is this the Full firmware or gigabit catalog variant?
No. The official catalog identifies Lite firmware and a Fast Ethernet port configuration. Do not transfer the feature set of another BMS20 suffix to BMS20CL. -
Can any SFP with the same connector be installed?
The instructions require supported Rockwell Automation SFP modules. Check optical type, link budget and compatibility, and use the more restrictive operating-temperature limits of the switch and installed SFP. -
Can an external voltage be connected to an alarm input?
No. The installation instructions prohibit applying an external voltage source to IN1 or IN2. Use the documented external contact arrangement and verify the complete alarm circuit before energizing. -
Which grounding torque should I use when the catalog table differs?
The detailed 1783-IN016C installation instructions specify 0.4 N m for the functional-ground screw. The public catalog contains a different value; confirm the applicable hardware instructions rather than selecting a torque from an inconsistent summary. -
When was 1783-BMS20CL discontinued?
The current official product record gives September 1, 2024 and identifies 1783-CMS20DB as an engineering replacement. This does not establish identical hardware, firmware or configuration. -
Can I transfer the existing configuration to 1783-CMS20DB without testing?
Do not assume direct configuration portability. Evaluate the replacement port and feature requirements, power and mounting, and validate the migrated network in the actual control system before production use.
READY TO VERIFY YOUR PART?
Get a 1783-BMS20CL quote with price, lead time and revision check.
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