Honeywell MLM-DR16S 16-Point Digital Output Relay Module – MLM Series Programmable Controller
When a critical digital output module fails on the production floor, the consequences are immediate and severe: conveyor lines halt, robotic arms freeze mid-cycle, and safety interlocks lose their command signals. Without a reliable replacement like the Honeywell MLM-DR16S, every minute of downtime translates directly into lost output, missed delivery windows, and escalating maintenance costs. The MLM-DR16S is not a commodity component — it is the nerve center that bridges your PLC logic to real-world actuators, solenoids, and motor starters.
Within the Honeywell MLM Series programmable controller ecosystem, the MLM-DR16S occupies a pivotal position as a 16-point relay-type digital output module. Designed for demanding industrial environments, this module is widely deployed across process manufacturing, discrete assembly, and building automation sectors globally. Its relay output architecture provides galvanic isolation between the controller backplane and field devices, making it the preferred choice for engineers who cannot compromise on signal integrity or electrical safety.
Technical Specifications
- Part Number / SKU: MLM-DR16S
- Brand: Honeywell
- Series: MLM Series Programmable Controller
- Module Type: Digital Output Module (Relay)
- Output Points: 16 points
- Output Type: Relay contact output
- Isolation: Galvanic isolation between field and logic circuits
- Operating Temperature: 0°C to 55°C (32°F to 131°F)
- Storage Temperature: -40°C to 70°C
- Relative Humidity: 5% to 95% non-condensing
- Weight: 140 g
- Compliance: CE, RoHS
- Mounting: MLM Series backplane / rack mount
Note: All specifications are based on Honeywell official documentation. Konmask.com does not fabricate or alter manufacturer data.
Key Features & Benefits
- 16 Independent Relay Outputs: Provides high channel density for compact panel designs, reducing wiring complexity and cabinet footprint.
- Relay Contact Architecture: Supports both AC and DC load switching, offering maximum flexibility for diverse field device types including solenoid valves, contactors, and indicator lamps.
- Galvanic Isolation: Protects the PLC backplane from voltage spikes and ground loops originating in the field, extending the service life of the entire control system.
- Hot-Swap Compatibility: Designed for the MLM Series modular architecture, enabling module replacement without full system shutdown in supported configurations.
- Robust EMC Performance: Engineered to operate reliably in high-noise industrial environments including variable frequency drives (VFDs) and high-current switching equipment.
- Diagnostic LED Indicators: Per-channel status LEDs enable rapid fault identification during commissioning and maintenance, minimizing mean time to repair (MTTR).
- Wide Temperature Range: Suitable for both climate-controlled control rooms and harsh factory floor enclosures.
Industry & Equipment Applications
- Process Manufacturing: Chemical dosing systems, batch reactor control, pump and valve sequencing in oil & gas and water treatment plants.
- Discrete Manufacturing: Automotive assembly line control, robotic cell I/O interfacing, conveyor routing and sorting systems.
- Building Automation: HVAC control panels, fire suppression system interfaces, access control and lighting management.
- Power & Energy: Substation automation, generator control panels, UPS bypass switching logic.
- Food & Beverage: Hygienic process line control, CIP (Clean-in-Place) sequence management, packaging machine I/O.
- Pharmaceutical: Validated batch control systems requiring traceable I/O modules with documented specifications.
System Integration & Compatible Parts
The MLM-DR16S is designed for seamless integration within the Honeywell MLM Series programmable controller platform. Compatible and commonly paired components include:
- Honeywell MLM Series CPU modules (MLM-CPU series)
- Honeywell MLM Series digital input modules (MLM-DI series)
- Honeywell MLM Series analog I/O modules
- Honeywell MLM Series power supply modules
- Honeywell MLM Series backplane / rack assemblies
- Honeywell Experion PKS DCS integration interfaces
When sourcing replacement or expansion modules, always verify the firmware revision compatibility with your existing CPU module. Contact Konmask.com for cross-reference and compatibility verification support.
Our Quality Assurance Process
At Konmask.com, every Honeywell MLM-DR16S unit undergoes a rigorous multi-stage verification process before shipment:
- Authenticity Verification: All units are sourced from authorized distribution channels or verified surplus inventories. Counterfeit screening is performed on every batch.
- Visual Inspection: Physical examination for connector integrity, PCB condition, label authenticity, and housing damage.
- Functional Testing: Where applicable, modules are bench-tested against Honeywell specifications prior to dispatch.
- Secure Packaging: Anti-static packaging with moisture barrier bags and shock-absorbing foam inserts protect modules during international transit.
- Documentation: Each shipment includes a packing list, test report (where available), and certificate of conformance upon request.
How to Order
- Submit an inquiry via the “Request a Quote” button on this page, or email support@konmask.com.
- Provide your required quantity, delivery timeline, and destination country.
- Our technical team will confirm availability, lead time, and pricing within 24 business hours.
- Upon agreement, we issue a proforma invoice and arrange secure payment via T/T, PayPal, or other agreed methods.
- Shipment is arranged via DHL, FedEx, or UPS with full tracking and export documentation.
Why Choose Konmask.com?
- Industrial Automation Specialists: We focus exclusively on PLC, DCS, HMI, and industrial control components — not general electronics.
- Global B2B Supply: Serving OEMs, system integrators, and MRO procurement teams across 50+ countries.
- Technical Pre-Sales Support: Our engineers can assist with compatibility verification, cross-referencing, and system design questions.
- Fast Emergency Response: Expedited sourcing for production-critical breakdowns with same-day quotation capability.
- Transparent Documentation: Full traceability documentation available for regulated industries including pharma and energy.
Frequently Asked Questions
Q: Is the Honeywell MLM-DR16S still in production?
A: The MLM Series has a long service history. Availability may vary between new, refurbished, and surplus stock. Contact us for current stock status.
Q: Can the MLM-DR16S be used as a direct replacement for other Honeywell digital output modules?
A: It is designed specifically for the MLM Series backplane. Cross-series substitution requires engineering verification. Our team can assist with compatibility assessment.
Q: What is the typical lead time for the MLM-DR16S?
A: Lead time depends on current stock levels. In-stock units typically ship within 3–5 business days. Out-of-stock items may require 2–6 weeks sourcing lead time.
Q: Do you provide a warranty on the MLM-DR16S?
A: Yes. We offer a standard 90-day warranty against defects in materials and workmanship. Extended warranty options are available upon request.
Q: Can you supply multiple units for a large project?
A: Yes. We handle both single-unit MRO orders and bulk project procurement. Volume pricing is available for orders of 5 units or more.
Q: What export documentation do you provide?
A: We provide commercial invoice, packing list, and certificate of origin. Additional documents such as MSDS or test reports can be arranged upon request.
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