Technical Specifications Breakdown
Key parameters for the 2MLF-AD16A are listed below for quick reference:
| Feature | Specification |
|---|---|
| Manufacturer | Honeywell |
| Product No. | 2MLF-AD16A |
| Product Type | MasterLogic-200 Analog Input Modules |
| Analog Input Channels | 16 channels/module |
| Maximum Conversion Speed | 500μs/channel |
| Isolation Method | Photo-coupler isolation between input terminal and PLC power (no isolation between channels) |
| Terminal Connected | 32-point terminal |
| I/O Addresses Assigned | Fixed type: 64 points, Variable type: 16 points |
| Internal-Consumed Current | DC 5V, 330mA |
| Operating Temperature | 0~55°C |
| Storage Temperature | -25~+70°C |
| Operating Humidity | 5~95%RH, no condensation |
| Storage Humidity | 5~95%RH, no condensation |
| Environment | No corrosive gas or dust |
| Altitude | Below 2000 m |
| Contamination | Below 2 |
| Weight | 0.115 Kg |
The accuracy of the module is ±0.2% or less at an ambient temperature of 25±5°C, and ±0.3% or less across the full 0~55°C operating range. This precision ensures that your process data remains reliable, reducing the risk of costly errors.
Industry Applications: Where Cost Efficiency Meets Performance
Process Monitoring in Harsh Environments
In chemical plants or metal processing facilities, ambient temperatures can fluctuate. The 2MLF-AD16A maintains ±0.3% accuracy even at 55°C, preventing false readings that could lead to product waste or equipment damage. By ensuring accurate data, you avoid unnecessary shutdowns and rework, directly improving operational ROI.
High-Speed Data Acquisition for Quality Control
With a maximum conversion speed of 500μs/channel, the module captures rapid signal changes. This is critical for applications like high-speed packaging or motion control, where delayed data can result in defective products. Faster conversion means tighter process control and less scrap, translating into tangible cost savings.
Multi-Channel Consolidation to Reduce Hardware Costs
Featuring 16 channels per module, the 2MLF-AD16A allows you to consolidate multiple signals into a single unit. This reduces the number of modules needed, lowering both capital expenditure and panel space requirements. The fixed I/O address assignment of 64 points simplifies system design, saving engineering time.

Installation & Setup Guidance
Proper installation ensures the module performs as specified. Mount the 2MLF-AD16A in a clean, dry environment free of corrosive gas or dust. Ensure the ambient temperature stays within 0~55°C and humidity within 5~95%RH (non-condensing). Use the 32-point terminal for wiring, and follow the PLC manual for address configuration. Since the module uses photo-coupler isolation between input terminals and PLC power, verify that the input signals are within the module's rated range. No isolation exists between channels, so common-mode voltage must be managed carefully.
Maintenance & Reliability
Regular inspection is key to long-term reliability. Check the module's connections periodically to ensure they are secure. Keep the enclosure clean and free of dust, as contamination levels below 2 are required for optimal operation. The module's storage temperature range of -25~+70°C allows for safe warehousing. Because the environment must have no corrosive gas or dust, install appropriate filters or enclosures in harsh industrial settings.
The Honeywell 2MLF-AD16A: Precision Analog Input for Cost-Conscious Automation
In modern industrial automation, every millisecond of downtime and every degree of measurement error carries a direct cost. The Honeywell 2MLF-AD16A from the MasterLogic-200 series addresses these challenges with high-speed, high-accuracy analog signal acquisition. Designed for engineers who demand reliable data without budget overruns, this module transforms raw process signals into actionable control decisions.

Compatibility & Integration
The 2MLF-AD16A is part of the Honeywell MasterLogic-200 series, designed for seamless integration with Honeywell PLC systems. It communicates over the backplane, consuming only DC 5V, 330mA. The module supports both fixed (64 points) and variable (16 points) I/O addressing, giving you flexibility in system design. For specific compatibility details, consult the MasterLogic-200 system manual.
Selection Guide & Purchasing Advice
When selecting an analog input module, consider the number of channels, conversion speed, and environmental ratings. For procurement, AutoDCSTech provides genuine Honeywell parts with expert support. Before ordering, verify the current lifecycle status and availability with AutoDCSTech to ensure the product meets your project timeline.
Troubleshooting & Common Issues
If you encounter inaccurate readings, first check the input signal wiring and ensure the ambient temperature is within the specified range. If the module does not communicate, verify the I/O address settings and backplane connections. Since there is no isolation between channels, electrical noise from one channel may affect others; use shielded cables and proper grounding. For persistent issues, consult the Honeywell MasterLogic-200 manual or contact AutoDCSTech's technical team.
Availability & Condition at AutoDCSTech
| Part Number | 2MLF-AD16A |
|---|---|
| Availability | In Stock |
| Condition | New |
| Warranty | One Year |
| Origin | US |
Datasheet & Downloads
Specification sheet for 2MLF-AD16A. For lead time, condition and price, contact our team.
