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MLI-DR28U MasterLogic 50 Ultimate Relay Main Unit
MLI-DR28U MasterLogic 50 Ultimate Relay Main Unit
MLI-DR28U MasterLogic 50 Ultimate Relay Main Unit

Honeywell MLI-DR28U MasterLogic 50 Ultimate Relay Main Unit

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Honeywell official data reviewed
MLI-DR28U — MasterLogic 50 Ultimate Relay Main Unit

An ultimate U-series main unit combining twenty-eight digital points, relay outputs, integrated Ethernet and expanded application resources.

MasterLogic 50 ultimate U main unitsNetworked compact control with relay outputs and data servicesExact-order review
Sales managerTiffany Guan
Mobile / WhatsApp+86 18030235313
Officially reviewed product profile
Product familyMasterLogic 50 ultimate U main units
Exact modelMLI-DR28U
Verified functionNetworked compact control with relay outputs and data services
Interface boundary100–240 VAC supply with sixteen DC inputs, twelve relay outputs and built-in Ethernet
Digital outputs12 relay points
Selection basisConfirm DR28U rather than /DC or UA variants, AC supply, relay count, network address and SD-card use.
  • Brand:

    Honeywell
  • Item NO.:

    MLI-DR28U
  • Goods Stock:

    1
  • Part Number:

    MLI-DR28U
  • Weight:

    Honeywell
  • Dimensions:

    MasterLogic 50 Ultimate Relay Main Unit
  • Manufacture Year:

    MasterLogic 50 ultimate U main units
  • Place of Origin:

    100–240 VAC supply with sixteen DC inputs, twelve relay outputs and built-in Ethernet
  • Certification:

    Confirm DR28U rather than /DC or UA variants, AC supply, relay count, network address and SD-card use.
  • Description:

    An ultimate U-series main unit combining twenty-eight digital points, relay outputs, integrated Ethernet and expanded application resources.
MLI-DR28U configuration inquiry

Get a precise quote for MLI-DR28U

Email Sales
Sales managerTiffany Guan
WhatsApp+86 18030235313

MLI-DR28U official identification

An ultimate U-series main unit combining twenty-eight digital points, relay outputs, integrated Ethernet and expanded application resources.

System responsibilityNetworked compact control with relay outputs and data services
Connection envelope100–240 VAC supply with sixteen DC inputs, twelve relay outputs and built-in Ethernet
Procurement decisionConfirm DR28U rather than /DC or UA variants, AC supply, relay count, network address and SD-card use.
Acceptance recordComplete label, network backup, relay-load record and twenty-eight-point functional test

Engineering and installation checks

  • The controlling identity is MLI-DR28U; shortened family references are not used for release.
  • Confirm the absence of /DC and UA suffixes on the received nameplate.
  • Technical claims are limited to Honeywell MasterLogic-50 Specification 10-23-10-13-EN R6, October 2022 manufacturer publication.
Official product data

MLI-DR28U key specifications

Unit class Ultimate U main unit
Power supply 100–240 VAC
Digital inputs 16 DC points
Digital outputs 12 relay points
Integrated I/O 28 points
Network Built-in Ethernet
Processor 32 bit
Processing reference 60 ns per basic step
Program capacity 384 kB / 32k steps
Maximum system I/O 352 points
Data storage SD / SDHC up to 16 GB
Approximate weight 630 g

Source: Honeywell MasterLogic-50 Specification 10-23-10-13-EN R6, October 2022 manufacturer publication.

Pre-order check 01

Installation environment

Prepare the masterlogic 50 ultimate relay main unit by documenting variant boundary, output form and the actual cabinet arrangement.

  • Confirm the absence of /DC and UA suffixes on the received nameplate.
  • Export the project, network parameters, retained data and SD-card records.
  • Document relay contact groups and every switched supply before rewiring.
  • Verify Ethernet services and all twenty-eight digital points during commissioning.
Close the work with complete label, network backup, relay-load record and twenty-eight-point functional test.
Pre-order check 02

Compatibility confirmation

Approve MLI-DR28U only after its 100–240 vac supply with sixteen dc inputs, twelve relay outputs and built-in ethernet and every listed limit match the installed design.

Variant boundary
AC-powered DR28U without /DC or UA suffix
Output form
Twelve relay channels
Network requirement
Installed Ethernet addressing and service settings
Project resource
Within 384 kB / 32k-step capacity
Expansion demand
Within the 352-point system boundary
Final selection: Use only the values published for MLI-DR28U in Honeywell MasterLogic-50 Specification 10-23-10-13-EN R6, October 2022 manufacturer publication; site suitability remains an engineering decision.
Recommended model families

Verified Cross-Brand Models

Honeywell verified models 01Siemens 6ES7357-4AH01-0AE0Siemens 6ES7400-2JA10-0AA1Siemens 6ES7414-2XG02-0AB0

Record the linked target with the approved spare schedule for traceability.

Honeywell verified models 02Siemens 6ES7416-2XL01-0AB0Siemens 6ES7425-2AD00-0AA0Siemens 6ES7515-2AN03-0AB0

Treat nearby family codes as alternatives only after a documented technical review.

Honeywell verified models 03Siemens 6ES7517-3UP00-0AB0Siemens 6ES7518-4UP00-0AB0B&R 8BVI0330HWS0.000-1

Use Tiffany contact details on the linked page for exact-code clarification.

Honeywell verified models 04B&R X20IF2181-2B&R 8B0C0320HW00.000-1B&R X20AP3111

Verify quantity, site context and delivery requirements in one inquiry.

Additional published brands

Additional Advantage Models

Tiffany verified models 01ABB CI592-CS31ABB CM5640-2ETHABB CM582-DP

Preserve the final receiving and acceptance result in the maintenance package.

Tiffany verified models 02ABB CM588-CNABB CM589-PNIOABB CM598-CN

Check lifecycle status before treating any newer family item as equivalent.

Tiffany verified models 03ABB DC562ABB DO526ABB DO572

Compare the complete linked order code with the installed nameplate before quotation.

Tiffany verified models 04ABB PM5032-R-ETHABB PM5072-T-2ETHABB PM564-RP-AC

Use the target page to coordinate availability, destination and receiving evidence.

Tiffany verified models 05Yokogawa ATSA3S-0Yokogawa ATSS3D-0Industrial 20F11NC104JA0NNNNN

Confirm form, connection and operating limits as separate engineering checkpoints.

Tiffany verified models 06Industrial 20F11RC015JA0NNNNNB&R X20CSL8100Siemens 6GK5788-1FC00-0AA0

Retain every suffix and option character in the controlled procurement record.

Tiffany verified models 07Siemens 6GK5201-3JR00-2BA6Siemens 6GK5108-0PA00-2AA3Siemens 6GK5204-2BC10-2AA3

Close any difference between the linked identity and the field label before ordering.

Tiffany verified models 08Siemens 6GK5124-0BA00-2AA3Siemens 6GK5213-3BB00-2AB2Siemens 6GK5204-0BA00-2BA3

Verify power, signal and network boundaries against the as-built documentation.

Every model above links to an existing Nordwel page. Confirm the complete model before ordering.CHECK WITH SALES

MLI-DR28U Order Guide

Use the complete Honeywell designation and installed hardware record for engineering review.
1Ordering identityMLI-DR28U
2Manufacturer evidenceHoneywell MasterLogic-50 Specification 10-23-10-13-EN R6, October 2022 manufacturer publication
3Installed-condition captureExport the project, network parameters, retained data and SD-card records.
4Compatibility gateVariant boundary: AC-powered DR28U without /DC or UA suffix
5Commissioning proofComplete label, network backup, relay-load record and twenty-eight-point functional test
6Substitution boundaryResolve expansion demand against Within the 352-point system boundary before approval.

Middle East Demand & Specialist Models

Selected specialist-brand products requested for regional projects and available on Nordwel.

Recent demand based on Nordwel inquiry records.
Confirm the exact part number before ordering.
SCHNEIDER ELECTRIC / OUTPUT MODULEBMXDDO1602

Output-module reference for control-system projects.

Tiffany-verified target
SCHNEIDER ELECTRIC / ETHERNET MODULEBMENOC0301

Ethernet-module reference for network compatibility review.

Tiffany-verified target
VIBRO-METER / PROXIMITY SENSORAF70982 / 111-412-000-012

Proximity-sensor reference for machinery applications.

Tiffany-verified target
VIBRO-METER / ACCELEROMETERS3960 AC46286 / 144-201-000-222

Accelerometer reference for vibration-monitoring projects.

Tiffany-verified target
WESTINGHOUSE / PROCESSOR MODULE5X00241G02

Processor-module reference for installed control systems.

Tiffany-verified target
ABB / ANALOG INPUT BOARDDSTA002B / 3BSE018317R1

Analog-input board reference for replacement review.

Tiffany-verified target
Nordwel engineering support

Company Services & FAQ

Support for the networked compact control with relay outputs and data services inquiry, from exact-code evidence through receiving and controlled release.

Support scope

Unit class evidenceUltimate U main unit must agree with the received unit and project record.
Output form reviewTwelve relay channels
Digital inputs receiving check16 DC points is checked before installation.
Acceptance packageComplete label, network backup, relay-load record and twenty-eight-point functional test

MLI-DR28U FAQ

How can a technician test MLI-DR28U MasterLogic 50 Ultimate Relay Main Unit without exceeding the stated unit class?

The official MLI-DR28U record gives unit class as Ultimate U main unit for its masterlogic 50 ultimate relay main unit function. For networked relay controller, confirm the absence of /DC and UA suffixes on the received nameplate. Test at a safe initial condition, then progress to the operating point defined by the approved procedure.

When can the MLI-DR28U MasterLogic 50 Ultimate Relay Main Unit digital outputs entry be released for quotation?

For this networked compact control with relay outputs and data services selection, digital outputs is 12 relay points. For data-logging machine panel, export the project, network parameters, retained data and SD-card records. Do not translate a nearby suffix, catalog family or distributor description into an exact-model claim.

How should engineers verify processor before fitting MLI-DR28U MasterLogic 50 Ultimate Relay Main Unit?

Use 32 bit as the controlled processor value in the MasterLogic 50 ultimate U main units review. For ultimate compact control, document relay contact groups and every switched supply before rewiring. Release is appropriate only when the manufacturer value and the project requirement agree.

What installation decision is controlled by maximum system i/o on MLI-DR28U MasterLogic 50 Ultimate Relay Main Unit?

Maximum system I/O is published as 352 points for the MasterLogic 50 ultimate U main units. For ethernet-enabled retrofit, verify Ethernet services and all twenty-eight digital points during commissioning. A substitution review must close functional, mechanical, electrical and environmental differences independently.

What commissioning check confirms the documented variant boundary for MLI-DR28U MasterLogic 50 Ultimate Relay Main Unit?

The official MLI-DR28U record gives variant boundary as AC-powered DR28U without /DC or UA suffix for its masterlogic 50 ultimate relay main unit function. For networked relay controller, confirm the absence of /DC and UA suffixes on the received nameplate. Keep the old and replacement assemblies available for a side-by-side check until the acceptance record is signed.

At which review gate should MLI-DR28U MasterLogic 50 Ultimate Relay Main Unit project resource be challenged?

For this networked compact control with relay outputs and data services selection, project resource is Within 384 kB / 32k-step capacity. For data-logging machine panel, export the project, network parameters, retained data and SD-card records. Preserve both the as-found condition and the final test so the next maintenance action starts from verified evidence.

Which drawing or schedule should carry the MLI-DR28U MasterLogic 50 Ultimate Relay Main Unit power supply record?

Use 100–240 VAC as the controlled power supply value in the MasterLogic 50 ultimate U main units review. For ultimate compact control, document relay contact groups and every switched supply before rewiring. Mark the evidence source and revision so future reviewers can reproduce the decision.

Which companion item must agree with integrated i/o for MLI-DR28U MasterLogic 50 Ultimate Relay Main Unit?

Integrated I/O is published as 28 points for the MasterLogic 50 ultimate U main units. For ethernet-enabled retrofit, verify Ethernet services and all twenty-eight digital points during commissioning. Any mismatch requires an engineering disposition rather than an undocumented field adaptation.

How should a discrepancy in processing reference be closed for MLI-DR28U MasterLogic 50 Ultimate Relay Main Unit?

The official MLI-DR28U record gives processing reference as 60 ns per basic step for its masterlogic 50 ultimate relay main unit function. For networked relay controller, confirm the absence of /DC and UA suffixes on the received nameplate. Quarantine a received unit if the label, connection, envelope or documented duty differs from the approved request.

What receiving evidence is required for the data storage stated for MLI-DR28U MasterLogic 50 Ultimate Relay Main Unit?

For this networked compact control with relay outputs and data services selection, data storage is SD / SDHC up to 16 GB. For data-logging machine panel, export the project, network parameters, retained data and SD-card records. If the official record is ambiguous, omit the disputed value and request nameplate or manufacturer clarification.

Sales managerTiffany Guan
WhatsApp+86 18030235313
ICS TRIPLEX / TRUSTED

Trusted T8000 Series Model Directory

Software, licensing, controller, interface, shield and power-supply references.

Software & Licensing

T8013SOE & Process Historian Software Package
T8017Peer to Peer Communications Software Package
T8019Process Control Algorithm Software Package
T8030SOPC Server Package
T8082DIEC1131 Toolset Suite; Licensed to Hard Drive
T8082UIEC1131 Toolset Suite; USB Port Dongle
T8090MLicense for SIS Workstation 1.0 MED

Controller, Interface & Power Modules

T8100CController Chassis Module
T8111CProcessor Module
T8120CProcessor Interface Adaptor Module
T8121CProcessor Interface Adaptor Module (IRIG-B)
T8122CProcessor Interface Adaptor Module (MODBUS Master)
T8123CProcessor Interface Adaptor Module (IRIG-B and MODBUS Master)
T8151CCommunication Interface Module

Communication Adaptors, Shield & Power Modules

T8153CCommunication Interface Adaptor Module
T8191Shield Module
T8193Shield Module
T8231Power Supply Module
Exact-match links open existing Nordwel product pages. Reference-only models remain unlinked until a matching product page is published.
ICS TRIPLEX / I/O CABLES

Companion-Slot to FTA Cable Selection

Internal cable references for 40-channel input and output connections to field termination assemblies.

INPUT · 40 CHANNEL
TC-201-02-2M5

I/O Companion Slot to FTA · 2.5 m

INPUT · 40 CHANNEL
TC-201-02-4M5

I/O Companion Slot to FTA · 4.5 m

INPUT · 40 CHANNEL
TC-201-02-6M5

I/O Companion Slot to FTA · 6.5 m

INPUT · 40 CHANNEL
TC-201-02-8M5

I/O Companion Slot to FTA · 8.5 m

INPUT · 40 CHANNEL
TC-201-02-10M5

I/O Companion Slot to FTA · 10.5 m

INPUT · 40 CHANNEL
TC-201-02-12M5

I/O Companion Slot to FTA · 12.5 m

OUTPUT · 40 CHANNEL
TC-205-02-4M5

I/O Companion Slot to FTA · 4.5 m

OUTPUT · 40 CHANNEL
TC-205-02-6M5

I/O Companion Slot to FTA · 6.5 m

OUTPUT · 40 CHANNEL
TC-205-02-8M5

I/O Companion Slot to FTA · 8.5 m

Exact-match links open existing Nordwel product pages. Confirm channel direction, cable length and FTA compatibility before quotation.
MasterLogic 50 ultimate U main units application review

MLI-DR28U Applications

The contexts below use MLI-DR28U for networked compact control with relay outputs and data services; each applies a different installed-system check.

Application contexts

01 · Networked relay controllerApply the documented networked compact control with relay outputs and data services only after confirming variant boundary as AC-powered DR28U without /DC or UA suffix.
02 · Data-logging machine panelApply the documented networked compact control with relay outputs and data services only after confirming output form as Twelve relay channels.
03 · Ultimate compact controlApply the documented networked compact control with relay outputs and data services only after confirming network requirement as Installed Ethernet addressing and service settings.
04 · Ethernet-enabled retrofitApply the documented networked compact control with relay outputs and data services only after confirming project resource as Within 384 kB / 32k-step capacity.

Why choose Nordwel

Unit class traceabilityMLI-DR28U is reviewed against Ultimate U main unit rather than appearance.
Power supply boundary100–240 VAC remains a separate engineering checkpoint.
Network requirement controlInstalled Ethernet addressing and service settings is retained in the selection record.
Coordinated releaseTiffany manages source evidence, quotation and the complete label, network backup, relay-load record and twenty-eight-point functional test.
For MLI-DR28U, document variant boundary, project resource and the final test as separate approval items.
Need Tiffany to verify the MLI-DR28U evidence package?CONTACT SALES
Need a hard-to-find industrial spare?Send the complete model, manufacturer, quantity and equipment nameplate. Nordwel will cross-check the exact brand, revision, electrical interface and mechanical configuration before quotation.
CROSS-BRAND MODEL SUPPORT

Industrial Spare Parts Reference

Selected legacy and specialist models for motion, sensing, pneumatic and control-system applications.

Motion & DrivesBLS3-4 BLS3Legacy servo/control unit; confirm the full BLS3 designation.
Pneumatic & Process2000018 KA12A10A0 11180747BEKO/BEKOMAT condensate-drain component reference.
Sensors & MeasurementMS2712RZero-speed monitoring device; verify supply and revision.
Motion & DrivesAE100M 200-00182Rotary encoder reference; confirm interface and mounting.
Sensors & MeasurementSFET-F500-L-W18-B-K1Configured industrial sensor assembly; verify the full option string.
Pneumatic & ProcessTZ2LE024PGVAB 074308Configured valve component; confirm coil voltage and port options.
Power & CommunicationIS200STAIH2ADCGE analog terminal board reference; confirm the installed I/O arrangement.
Motion & DrivesMDX60A0110503400 8226857SEW-EURODRIVE MOVIDRIVE inverter reference.
Sensors & MeasurementPTP35A2A13P1PH4AConfigured process-instrument reference; verify range and output.
Power & CommunicationHITACHI 33016136-5Hitachi industrial control spare; confirm the host equipment family.
Pneumatic & ProcessNUMATICS 34203626Numatics pneumatic component; verify valve and coil configuration.
Sensors & MeasurementHBM WA/20mm 050310129 090610052HBM displacement transducer with 20 mm measurement reference.
Pneumatic & ProcessFESTO 184518 DPA-63-10Festo twin-piston pneumatic pressure booster.
Power & CommunicationH920Legacy industrial control spare; nameplate confirmation required.
Sensors & MeasurementPN3093ifm electronic pressure sensor with digital display.
Power & CommunicationK2001000100MConfigured cable or assembly reference; confirm the equipment family.
Power & CommunicationPCD3W800Saia PCD3 analog I/O module reference.
Motion & Drives49/F2-10 P 80 B14 B3Configured motor and gearbox assembly reference.
Sensors & MeasurementUB40012GME5V1Pepperl+Fuchs UB400 ultrasonic sensor.
Power & CommunicationDFR713PLegacy electronic control spare; confirm manufacturer and revision.
Sensors & MeasurementPT/EL-DR-5BAR-S1-HA-TH-SS5 bar pressure-instrument reference; verify materials and output.
Sensors & MeasurementUDS3/200MB/4/20/G1/4E/FConfigured pressure sensor/transmitter reference.
Motion & DrivesVRDM397/50LWBBerger Lahr stepper motor reference.
Pneumatic & ProcessMPPES31410420Festo proportional pressure regulator reference.
Power & Communication6GK57980SN000EA0Siemens industrial communication accessory; verify installed function.
Sensors & MeasurementWTT280L-2P2531SICK PowerProx time-of-flight photoelectric sensor.
Pneumatic & ProcessMSQB20H2SMC compact rotary table/actuator reference.
Pneumatic & ProcessMSQB30H3SMC compact rotary table/actuator reference.
Power & CommunicationMCRSLUI0Phoenix Contact analog signal conditioner reference.
Motion & Drives6FX11422BA02Siemens drive/CNC electronic module reference.
No exact Nordwel product pages were found for this reference list. Final supply must be confirmed from the manufacturer nameplate, complete ordering code and installed-system context.
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