The Honeywell 2MLF-AC8A is a advanced analog input module designed to serve as a critical data acquisition component within Honeywell’s Experion PKS (Process Knowledge System) and Building Management System (BMS) architectures. As a bridge between analog sensors (such as temperature, pressure, and humidity transducers) and digital control systems, it converts continuous physical signals into actionable data for monitoring and automation.
Model2MLF-AC8A
BrandHoneywell
TypeAnalog Input Module
Power Supply24 V DC ± 15%
Operating Temperature-10°C to 60°C (14°F to 140°F)
MountingDIN rail (35 mm)
Dimensions110 mm x 80 mm x 65 mm (W x H x D)
Weight350 grams
Interfaces8 x analog input channels, 1 x RS-485 (Modbus RTU), 1 x USB (configuration)
CertificationsUL 508, CE, ATEX II 3G, IEC 61010-1
CoolingPassive (conduction-based)
Environmental RatingIP20 (when installed in enclosure)
Input Signal Types4-20mA, 0-10V, thermocouple (J/K/T)
Resolution16-bit
Isolation2.5kV channel-to-channel, 5kV channel-to-bus
Update Rate100ms per channel
The Honeywell 2MLF-AC8A is a advanced analog input module designed to serve as a critical data acquisition component within Honeywell’s Experion PKS (Process Knowledge System) and Building Management System (BMS) architectures. As a bridge between analog sensors (such as temperature, pressure, and humidity transducers) and digital control systems, it converts continuous physical signals into actionable data for monitoring and automation.
2MLF-AC8A
This module integrates seamlessly into Honeywell’s PlantScape and SymmetrE systems, acting as a frontline data collector that ensures accurate signal transmission with minimal noise interference. What sets the Honeywell 2MLF-AC8Aapart is its ability to handle multiple sensor types without manual reconfiguration—making it invaluable for engineers managing complex environments with mixed analog signal requirements. For integrators, this translates to simplified system design, reduced wiring complexity, and easier scalability when expanding sensor networks.
2MLF-AC8A
Main features and advantages:
The Honeywell 2MLF-AC8A delivers exceptional signal processing accuracy, with a 16-bit resolution that ensures measurements within 0.1% of full scale—critical for applications like laboratory incubators where precise environmental control directly impacts research results. Its hardware design emphasizes ruggedness, with a metal enclosure that provides EMI/RFI shielding, protecting sensitive analog signals from electrical noise common in industrial environments with heavy machinery.
Compatibility is a standout feature: the module supports a wide range of analog input types, including 4-20mA, 0-10V, and thermocouple (Type J/K/T) signals, eliminating the need for separate signal converters. This flexibility allows it to integrate with both Honeywell sensors and third-party transducers, reducing inventory costs for system builders. Long-term reliability is enhanced by built-in surge protection (up to 2kV) on all input channels, preventing damage from voltage spikes that often occur during power grid fluctuations. The Honeywell 2MLF-AC8Aoperates efficiently in temperatures up to 60°C, ensuring consistent performance in enclosed control cabinets without active cooling.
Technical specifications:
Model2MLF-AC8A
BrandHoneywell
TypeAnalog Input Module
Power Supply24 V DC ± 15%
Operating Temperature-10°C to 60°C (14°F to 140°F)
MountingDIN rail (35 mm)
Dimensions110 mm x 80 mm x 65 mm (W x H x D)
Weight350 grams
Interfaces8 x analog input channels, 1 x RS-485 (Modbus RTU), 1 x USB (configuration)
CertificationsUL 508, CE, ATEX II 3G, IEC 61010-1
CoolingPassive (conduction-based)
Environmental RatingIP20 (when installed in enclosure)
Input Signal Types4-20mA, 0-10V, thermocouple (J/K/T)
Resolution16-bit
Isolation2.5kV channel-to-channel, 5kV channel-to-bus
Update Rate100ms per channel
Contact Us Phone:+86 16626708626 WeChat/WhatsApp:+86 16626708626 Email: 3772179818@qq.com
Application areas:
In the dynamic world of industrial HVAC systems, where precise temperature and humidity control directly impact energy efficiency and equipment longevity, the Honeywell2MLF-AC8A has become an essential component. It excels in large-scale facilities like data centers, where maintaining a stable thermal environment within ±1°C is critical for server performance. In pharmaceutical cleanrooms, where strict environmental parameters are mandated by regulatory bodies, the Honeywell 2MLF-AC8A ensures consistent air quality by coordinating with air handling units and filtration systems, reducing the risk of contamination during drug manufacturing.
Food storage warehouses, relying on precise refrigeration to preserve perishable goods, depend on the Honeywell 2MLF-AC8A to regulate cooling systems, preventing temperature fluctuations that could lead to spoilage and financial losses. Across these industrial automation settings, the module addresses key challenges: integrating with diverse sensor networks, providing real-time data to building management systems, and adapting to varying load conditions—all while maintaining energy efficiency. Its ability to operate reliably in both indoor control panels and outdoor equipment enclosures makes it a versatile choice for system integrators designing climate control solutions.
Related products:
Honeywell 2MLF-DO16 – Digital output module that pairs with the Honeywell 2MLF-AC8A to enable control actions based on analog input data.
Honeywell TC800A-1000 – Temperature controller that receives processed data from the Honeywell 2MLF-AC8A for HVAC system regulation.
Honeywell C7232A1004 – Humidity sensor optimized for use with the Honeywell 2MLF-AC8A in environmental monitoring applications.
Honeywell 51404489-100 – Communication gateway that connects the Honeywell 2MLF-AC8A to Ethernet-based building management systems.
Honeywell S9000 – Programmable controller that integrates seamlessly with the Honeywell 2MLF-AC8A in large-scale industrial control systems.
Honeywell STT250 – Pressure transducer whose 4-20mA output is ideally suited for processing by the Honeywell 2MLF-AC8A.
Honeywell UDC3200 – Universal digital controller that uses data from the Honeywell 2MLF-AC8A for precision process control.
Honeywell 2MLF-PW24 – Power supply module designed to provide stable 24V DC to the Honeywell 2MLF-AC8A and adjacent components.
Installation and maintenance:
Before installing the Honeywell 2MLF-AC8A, verify that the mounting rail is level and securely fastened to prevent vibration-induced signal noise, which can affect measurement accuracy. Ensure a minimum clearance of 30 mm above and below the module to allow for heat dissipation, especially when installed in densely packed control cabinets. Check that all analog sensors are calibrated to the module’s input ranges—mismatched signals can cause measurement errors or damage the input circuitry. Use twisted-pair wiring for all analog connections, with shielding grounded at one end, to minimize electromagnetic interference from nearby AC power cables.
For maintenance, perform bi-annual checks using Honeywell’s HC900 Configuration Studio software to verify input linearity and calibration offsets. Inspect terminal blocks quarterly to ensure connection torque remains at 0.4 N·m, as loose connections are a common cause of signal drift. Clean the module’s exterior with a dry cloth during scheduled shutdowns; avoid using compressed air, which can push dust into internal components. The Honeywell2MLF-AC8A requires minimal maintenance, but annual verification of surge protection functionality using a calibrated test instrument ensures continued protection against electrical transients.
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Email: 3772179818@qq.com
Phone: +86 16626708626
