Honeywell 2MLP-ACF2 advanced analog control module
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Honeywell 2MLP-ACF2 advanced analog control module
The Honeywell 2MLP-ACF2 is an advanced analog control module designed to handle specialized regulatory tasks within Honeywell’s 2MLP precision control system—a platform tailored for applications requiring enhanced loop performance beyond standard PID capabilities. As a bridge between high-accuracy sensors and final control elements, it combines signal conditioning, advanced algorithm execution, and output drive functionality in a single compact unit.
Model2MLP-ACF2
BrandHoneywell
TypeAdvanced Analog Control Module
Power Supply24 V DC ± 15%
Operating Temperature-10°C to 70°C (14°F to 158°F)
MountingDIN rail (35 mm) with anti-vibration clips
Dimensions140 mm x 110 mm x 85 mm (W x H x D)
Weight580 grams
Input Channels4 (configurable for thermocouple, RTD, 4-20mA)
Output Channels2 (4-20mA, 0-10V selectable)
A/D Resolution24-bit
D/A Resolution16-bit
Control AlgorithmsPID, MPC, adaptive tuning, feedforward
Update Rate1ms per control loop
Isolation5kV channel-to-bus, 2.5kV channel-to-channel
Interfaces1 x module bus (to 2MLI-CPUU), 1 x RS-485 (Modbus RTU)
CertificationsUL 508, CE, ATEX II 3G, IEC 61010-1, ISO 13485
Environmental RatingIP20 (when installed in enclosure)
Calibration Stability<50ppm/year
The Honeywell 2MLP-ACF2 is an advanced analog control module designed to handle specialized regulatory tasks within Honeywell’s 2MLP precision control system—a platform tailored for applications requiring enhanced loop performance beyond standard PID capabilities. As a bridge between high-accuracy sensors and final control elements, it combines signal conditioning, advanced algorithm execution, and output drive functionality in a single compact unit.
2MLP-ACF2
This module integrates seamlessly with the Honeywell 2MLI-CPUU and 2MLF I/O modules, acting as a dedicated processing node for critical analog loops. What distinguishes the Honeywell 2MLP-ACF2 is its ability to execute model-based predictive control (MPC) and adaptive tuning algorithms locally, reducing latency compared to centralized processing. For process engineers, this translates to tighter control margins, faster disturbance rejection, and simplified integration with existing Honeywell control architectures.
2MLP-ACF2
Main features and advantages:
The Honeywell 2MLP-ACF2 delivers exceptional control precision, with 24-bit analog-to-digital conversion that captures sensor signals with 0.015% resolution—far exceeding the needs of most industrial processes. Its dual-core processing architecture dedicates one core to real-time control calculations (updating at 1ms intervals) and the other to communication and diagnostics, eliminating processing bottlenecks. This separation ensures control loop performance remains unaffected by data logging or network traffic.
Hardware design emphasizes stability: a temperature-compensated reference circuit maintains calibration accuracy across the module’s operating range (-10°C to 70°C), reducing drift to less than 50ppm/year. The Honeywell 2MLP-ACF2 includes built-in signal conditioning for thermocouples, RTDs, and strain gauges, eliminating the need for external transmitters in many applications. Compatibility is extensive: it natively communicates with Honeywell’s Experion PKS via the module bus and supports Modbus RTU for integration with third-party devices, offering flexibility in mixed-vendor systems.
2MLP-ACF2
Technical specifications:
Model2MLP-ACF2
BrandHoneywell
TypeAdvanced Analog Control Module
Power Supply24 V DC ± 15%
Operating Temperature-10°C to 70°C (14°F to 158°F)
MountingDIN rail (35 mm) with anti-vibration clips
Dimensions140 mm x 110 mm x 85 mm (W x H x D)
Weight580 grams
Input Channels4 (configurable for thermocouple, RTD, 4-20mA)
Output Channels2 (4-20mA, 0-10V selectable)
A/D Resolution24-bit
D/A Resolution16-bit
Control AlgorithmsPID, MPC, adaptive tuning, feedforward
Update Rate1ms per control loop
Isolation5kV channel-to-bus, 2.5kV channel-to-channel
Interfaces1 x module bus (to 2MLI-CPUU), 1 x RS-485 (Modbus RTU)
CertificationsUL 508, CE, ATEX II 3G, IEC 61010-1, ISO 13485
Environmental RatingIP20 (when installed in enclosure)
Calibration Stability<50ppm/year
Contact Us Phone:+86 16626708626 WeChat/WhatsApp:+86 16626708626 Email: 3772179818@qq.com
2MLP-ACF2
Application areas:
In industrial environments where precise control of analog processes determines product quality and operational efficiency, the Honeywell 2MLP-ACF2 stands as a specialized solution. It excels in chemical processing plants, where it regulates the flow of raw materials into reactors with ±0.2% accuracy—critical for maintaining stoichiometric balances in batch production. In semiconductor fabrication facilities, the Honeywell 2MLP-ACF2 controls temperature gradients in diffusion furnaces, ensuring uniform wafer processing that directly impacts chip yield.
Food and beverage pasteurization lines rely on the Honeywell 2MLP-ACF2 to maintain precise heating profiles, where even 1°C deviations can compromise food safety or product texture. Across these settings, the module addresses unique challenges: compensating for non-linear process behaviors, filtering noise from high-sensitivity sensors, and maintaining calibration stability over extended periods. Its ability to integrate advanced control algorithms with rugged hardware makes it a vital component for engineers seeking to optimize complex analog processes.
Related products:
Honeywell 2MLI-CPUU – Central processor that coordinates system-wide operations while leveraging the Honeywell 2MLP-ACF2‘s local control capabilities.
Honeywell 2MLF-AC8A – Analog input module that extends monitoring capabilities when paired with the Honeywell 2MLP-ACF2 in multi-loop systems.
Honeywell STT850 – High-accuracy pressure transmitter optimized for use with the Honeywell 2MLP-ACF2 in critical pressure control loops.
Honeywell M7410A – Motorized valve actuator that receives precise 4-20mA signals from the Honeywell 2MLP-ACF2 in flow control applications.
Honeywell 2MLP-PWR24 – Isolated power supply that provides noise-free power to the Honeywell 2MLP-ACF2 in high-interference environments.
Honeywell UDC2500 – Secondary controller that can be configured as a backup for the Honeywell 2MLP-ACF2 in safety-critical loops.
Honeywell 51404508-100 – Signal conditioner that enhances sensor input quality for the Honeywell 2MLP-ACF2 in harsh industrial zones.
Honeywell Experion PKS Process Studio – Configuration software used to program advanced algorithms in the Honeywell 2MLP-ACF2.
Installation and maintenance:
Before installing the Honeywell 2MLP-ACF2, ensure the mounting surface is grounded with <1Ω resistance to minimize noise in low-level sensor circuits. Position the module at least 300mm away from variable frequency drives or high-voltage cabling to prevent electromagnetic interference with its precision components. Verify that sensor wiring uses twisted-pair, shielded cable with the shield terminated only at the module end—improper grounding can introduce errors exceeding 0.5% of full scale.
For maintenance, perform quarterly calibration verification using a traceable standard signal generator, as process drift in critical loops often occurs gradually. Use Honeywell’s Control Performance Monitor software monthly to analyze loop performance metrics—this tool identifies degradation in the Honeywell 2MLP-ACF2‘s adaptive tuning effectiveness. Inspect terminal blocks semi-annually to ensure torque remains at 0.35 N·m; loose connections are the primary cause of sudden calibration shifts. During firmware updates, enable the module’s bypass mode to maintain process stability via secondary controls, then verify algorithm parameters post-update to prevent unintended behavior.
WhatsApp: +86 16626708626
Email: 3772179818@qq.com
Phone: +86 16626708626
