Honeywell 2MLF-AC8A Analog Input Module

Description

The Honeywell 2MLF-AC8A is an 8-channel analog input module designed for MasterLogic-200 PLC systems. It delivers precise signal acquisition for industrial automation, ensuring accurate monitoring of critical process variables. Moreover, its high-resolution A/D conversion guarantees dependable data for process control, manufacturing, and utility applications. This module integrates seamlessly into existing MasterLogic-200 racks, supporting reliable, continuous operation in harsh industrial environments.

Functional Highlights

• Supports eight independent analog input channels for simultaneous multi-device monitoring.

• Handles standard DC 4–20 mA and 0–20 mA signals with high precision.

• Provides channel-to-system isolation to protect both the PLC and field devices.

• Features high-speed conversion at 250 μs per channel for real-time process control.

• Simplifies installation with DIN rail compatibility and compact dimensions.

• Maintains accuracy of ±0.2% at 25 ±5°C and ±0.3% across 0–55°C, ensuring stable performance.

Technical Specifications

• Model Number: 2MLF-AC8A

• Product Type: Analog Input Module

• Series: MasterLogic-200

• Number of Channels: 8

• Input Signal Range: DC 4–20 mA, DC 0–20 mA

• Input Resistance: 250 Ω

• Resolution: High-resolution A/D (typically 16-bit)

• Maximum Conversion Speed: 250 μs/channel

• Absolute Maximum Input: ±15V, ±30 mA

• Isolation: Photo-coupler isolation between input terminal and PLC power (no inter-channel isolation)

• Terminal Connections: 18-point terminal

• I/O Addresses Assigned: Fixed: 64 points, Variable: 16 points

• Mounting: DIN rail compatible

• Dimensions: 125 × 50 × 130 mm

• Weight: 0.14 kg

• Operating Temperature: −20°C to +60°C

Typical Applications

• Industrial process control for chemical, water treatment, and power systems.

• Manufacturing monitoring, including production line instrumentation.

• Utility systems requiring precise current signal acquisition from multiple sensors.

• Integration with MasterLogic-200 PLC systems for real-time measurement and automation.

FAQ

Q: What input signals does the 2MLF-AC8A support?
A: It supports DC 4–20 mA and DC 0–20 mA signals from standard industrial transmitters.

Q: How many channels are available?
A: The module provides eight independent analog input channels.

Q: Can it be mounted on a standard DIN rail?
A: Yes, it is DIN rail compatible for quick and secure installation.

Q: What is the accuracy across the operating temperature range?
A: Accuracy is ±0.2% at 25 ±5°C and ±0.3% across 0–55°C.

Q: Is there isolation between channels?
A: Only channel-to-system isolation is provided; channels are not isolated from each other.