Honeywell

Honeywell 2MLF-AC8A 8-Channel Analog Current Input Module

SKU 2MLF-AC8A

Disponibile
  • 12-month warranty
  • Free returns within 30 days
  • Manufacturer: Honeywell
  • Product No.: 2MLF-AC8A
  • Origin United States
  • Product Type: Analog Input Modules
  • Payment: T/T, Western Union
  • Weight: 2.0 kg
  • Shipping port: Xiamen
  • Warranty: 12 months

Tags

Quantità

Product Description

Description

Designed for direct integration into industrial control architectures, the Honeywell 2MLF-AC8A functions as a high-density, 8-channel analog current input interface. This module translates external analog process signals into precise digital values for the host controller, offering rapid processing with a conversion speed of 250 microseconds per channel. Built to maintain signal fidelity in electrically noisy environments, the module incorporates robust photo-coupler isolation between the field input terminals and the internal PLC backplane logic.

Key Features

  • 8 High-Density Channels: Allows simultaneous monitoring of up to eight independent current loops.
  • Fast Conversion Rate: Accomplishes analog-to-digital processing within 250 microseconds per active channel.
  • Optoelectronic Isolation: Safe photo-coupler isolation protects sensitive control logic from field-side electrical surges.
  • Standard 18-Point Terminal: Employs a physical 18-point connection block for secure, reliable field wiring.

Applications

  • Continuous process monitoring in water and wastewater treatment facilities.
  • Integrated pressure, flow, and temperature transmitter feedback loops.
  • Petrochemical and chemical processing plant telemetry acquisition.
  • Factory automation systems requiring high-speed analog signal tracking.

Technical Specifications

Parameter Value / Specification
Manufacturer Honeywell
Model Number 2MLF-AC8A
Module Type Analog Current Input Module
Input Channels 8 Channels / 1 Module
Max Conversion Speed 250 us / channel
Accuracy (at 25 degC) +/-0.2% or less (within 25 degC +/-5 degC)
Accuracy (Full Temp Range) +/-0.3% or less (0 to 55 degC)
Absolute Maximum Input +/-30 mA
Isolation Method Photo-coupler isolation (Terminals to PLC power); No channel-to-channel isolation
Connection Method 18-point terminal block
I/O Address Allocation Fixed: 64 points / Variable: 16 points
Internal Current Consumption 420 mA @ 5 VDC
Net Weight 0.14 kg
Shipping Weight 2.0 kg (packaged)

Installation Guidelines

CRITICAL WARNING

Ensure all primary AC and secondary DC power sources feed-in to the system rack are completely de-energized before mounting, unmounting, or wiring the module. Failure to isolate power can result in terminal damage, logic errors, or localized electrical shock hazards.

1

Align the module's lower locking tab with the designated slot on the PLC backplane rack.

2

Carefully pivot the module upward, pressing it firmly into the backplane connector until you hear the retention clip click securely into place.

3

Connect analog field wiring to the 18-point terminal assembly, keeping low-voltage current signals physically routed away from high-voltage motor control lines to prevent induced electromagnetic noise.

Shipping & Returns

Global Express Shipping

  • Standard Delivery: 4–6 business days via DHL, FedEx, and UPS.
  • Express Dispatch: Same-day dispatch for in-stock orders placed before 2:00 PM (GMT+8).
  • Worldwide Coverage: Serving over 150 countries.

Returns & Warranty

  • 30-Day Guarantee: Returns accepted for in-stock products in original, factory-sealed packaging.
  • 12-Month Warranty: Every industrial component is backed by our technical warranty.
FAQ
Is there channel-to-channel isolation on the 2MLF-AC8A?
No. While there is robust photo-coupler isolation between the physical input terminals and the internal PLC logic power, the individual current input channels share a common ground connection and are not isolated from one another.
What happens if a current input channel exceeds the standard operating limits?
The absolute maximum input rating for this module is +/-30 mA. Exceeding this limit can cause permanent thermal damage to the internal input circuit and precision shunt resistors.
What is the physical connection type for external field sensors?
The module utilizes an 18-point terminal block system to secure wiring for the 8 positive and negative analog current channels plus auxiliary termination grounds.
Reviews

2MLF-AC8A

Stock & lead time on request

Call
1 su 1

Honeywell 2MLF-AC8A 8-Channel Analog Current Input Module

Only 3 item(s) left in stock
  • Manufacturer: Honeywell

  • Product No.: 2MLF-AC8A

  • Country of origin:United States

  • Product Type: Analog Input Modules

  • Payment: T/T, Western Union

  • Weight: 2000g

  • Shipping port: Xiamen

  • Warranty: 12 months

Quantità
Visualizza dettagli completi

Product Description

Description

Designed for direct integration into industrial control architectures, the Honeywell 2MLF-AC8A functions as a high-density, 8-channel analog current input interface. This module translates external analog process signals into precise digital values for the host controller, offering rapid processing with a conversion speed of 250 microseconds per channel. Built to maintain signal fidelity in electrically noisy environments, the module incorporates robust photo-coupler isolation between the field input terminals and the internal PLC backplane logic.

Key Features

  • 8 High-Density Channels: Allows simultaneous monitoring of up to eight independent current loops.
  • Fast Conversion Rate: Accomplishes analog-to-digital processing within 250 microseconds per active channel.
  • Optoelectronic Isolation: Safe photo-coupler isolation protects sensitive control logic from field-side electrical surges.
  • Standard 18-Point Terminal: Employs a physical 18-point connection block for secure, reliable field wiring.

Applications

  • Continuous process monitoring in water and wastewater treatment facilities.
  • Integrated pressure, flow, and temperature transmitter feedback loops.
  • Petrochemical and chemical processing plant telemetry acquisition.
  • Factory automation systems requiring high-speed analog signal tracking.

Technical Specifications

Parameter Value / Specification
Manufacturer Honeywell
Model Number 2MLF-AC8A
Module Type Analog Current Input Module
Input Channels 8 Channels / 1 Module
Max Conversion Speed 250 us / channel
Accuracy (at 25 degC) +/-0.2% or less (within 25 degC +/-5 degC)
Accuracy (Full Temp Range) +/-0.3% or less (0 to 55 degC)
Absolute Maximum Input +/-30 mA
Isolation Method Photo-coupler isolation (Terminals to PLC power); No channel-to-channel isolation
Connection Method 18-point terminal block
I/O Address Allocation Fixed: 64 points / Variable: 16 points
Internal Current Consumption 420 mA @ 5 VDC
Net Weight 0.14 kg
Shipping Weight 2.0 kg (packaged)

Installation Guidelines

CRITICAL WARNING

Ensure all primary AC and secondary DC power sources feed-in to the system rack are completely de-energized before mounting, unmounting, or wiring the module. Failure to isolate power can result in terminal damage, logic errors, or localized electrical shock hazards.

1

Align the module's lower locking tab with the designated slot on the PLC backplane rack.

2

Carefully pivot the module upward, pressing it firmly into the backplane connector until you hear the retention clip click securely into place.

3

Connect analog field wiring to the 18-point terminal assembly, keeping low-voltage current signals physically routed away from high-voltage motor control lines to prevent induced electromagnetic noise.

Is there channel-to-channel isolation on the 2MLF-AC8A?

No. While there is robust photo-coupler isolation between the physical input terminals and the internal PLC logic power, the individual current input channels share a common ground connection and are not isolated from one another.

What happens if a current input channel exceeds the standard operating limits?

The absolute maximum input rating for this module is +/-30 mA. Exceeding this limit can cause permanent thermal damage to the internal input circuit and precision shunt resistors.

What is the physical connection type for external field sensors?

The module utilizes an 18-point terminal block system to secure wiring for the 8 positive and negative analog current channels plus auxiliary termination grounds.

Global Express Shipping

  • Standard Delivery: 4-6 Business Days via DHL, FedEx, and UPS.
  • Express Dispatch: Same-day dispatch for in-stock orders placed before 2:00 PM (GMT+8).
  • Worldwide Coverage: Serving over 150 countries, including rapid delivery to Saudi Arabia and UAE.

Returns & Warranty

  • 30-Day Guarantee: Returns accepted for in-stock products in original, factory-sealed packaging.
  • 12-Month Warranty: Every industrial component is backed by our professional technical warranty.

Orders are processed and delivered Monday-Friday (excluding public holidays).


For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .

TECHNICAL SPECIFICATIONS

Country of origin
United States

Technical knowledge

1756-L73 Firmware Upgrade Guide: v19 vs v21/v31 Decision

Replacing a 1756-L73 does not automatically mean upgrading its firmware. This guide compares v19.013, v21.011 and v31.011, focusing on project compatibility, HMI communications, legacy networks and...

Implementing 3-Switch XOR Ladder Logic with Internal Bit

Implement a 3-SPST switch XOR light circuit in LogixPro or RSLogix 500 using an internal relay bit. Includes truth tables, boolean equations, and verified.

Building a Modbus RTU Network with CompactLogix and DeltaV

Integrate Allen-Bradley CompactLogix, Caterpillar ATS, and generators into DeltaV DCS over Modbus RTU. Covers ProSoft MVI69-MCM, Miille DIN266 gateways.

ONS Instruction Not Energizing OTE in Studio 5000 Ladder Logic

ONS instruction fires but the OTE coil never latches in Studio 5000 because the one-shot is only true for one scan. Use OTL/OTU or seal-in logic instead.

Kinetix 5500 EtherNet/IP Network Switch Requirements and Topology

Configure Allen-Bradley Kinetix 5500 servo drives on EtherNet/IP. Covers CIP Sync, IEEE 1588 V2 timing, Stratix selection, DLR topology, and HMI.

Moving Average Filtering in DCS and PLC Analog Control

A moving-average filter is the sliding-window smoother most instrument engineers drop into DCS and PLC analog paths. Here is how the window works, how N and sample time set lag, and when a...