The Honeywell 2MLQ-RY1A Relay Digital Output Module is a key component within Honeywell’s industrial control systems, designed to provide reliable digital relay outputs for process automation. This module allows for the control of a wide variety of field devices, such as solenoids, actuators, contactors, and alarms, by converting digital signals from the control system into physical relay contacts.

Thanks to its robust design, excellent electrical isolation, and versatile compatibility with Honeywell’s control platforms, the 2MLQ-RY1A has become an industry standard in sectors where safety, reliability, and performance are paramount. It is suitable for both new installations and upgrades of existing Honeywell control systems.

Product Specifications

Product Applications

The Honeywell 2MLQ-RY1A module is utilized across a broad range of industries and process environments, including:

• Oil & Gas

  Control of motor-operated valves (MOVs), safety shutdown systems, and ESD devices.

• Power Generation

  Managing breaker operations, alarms, and auxiliary equipment in power stations.

• Chemical Processing

  Safe actuation of chemical feed pumps and other hazardous area equipment.

• Water & Wastewater

  Remote control of pumps, blowers, and treatment process devices.

• Pharmaceutical Manufacturing

  Precision control of process equipment in validated systems.

• Food & Beverage Production

  Control of packaging machinery and automated production lines.

Product Advantages

• High Reliability

  Industrial-grade relays with wear compensation extend service life.

• Flexible Integration

  Compatible with a wide range of Honeywell control systems.

• Electrical Isolation

  High isolation between control circuits and field devices enhances system safety.

• Fast Switching

  Low response times ensure prompt actuation of field equipment.

• Built-in Diagnostics

  Onboard status LEDs and fault monitoring simplify maintenance and troubleshooting.

• Compact Design

  Saves valuable panel space with a high channel density.

• Versatile Mounting

  Can be installed on DIN rails or panel-mounted to suit various cabinet layouts.

• Certified for Global Markets

  CE, UL, and CSA certifications enable use in international projects.

Frequently Asked Questions (FAQ)

1. What is the main function of the 2MLQ-RY1A module?

   It provides 16 relay-based digital outputs for controlling field devices.

2. How much current can each relay contact handle?

   Each relay can handle up to 2 A at 30 VDC or 250 VAC resistive.

3. Is this module compatible with Honeywell Experion PKS?

   Yes, it integrates seamlessly with Honeywell Experion and other legacy systems.

4. Does the module provide channel status indication?

   Yes, each channel has an LED indicator for easy visual status confirmation.

5. What kind of isolation is provided?

   The module provides a minimum 1500 V RMS isolation between channels and the control side.

6. Can it be mounted on a DIN rail?

   Yes, the module supports both DIN-rail and panel mounting options.

7. What protection features are included?

   Relay wear compensation and surge suppression are built into the module.

8. How fast is the switching response?

   The typical on/off response time is less than 10 ms.

9. What is the operational temperature range of the module?

   The module operates between 0°C to +60°C.

10. What certifications does the module carry?

    It is CE, UL, and CSA certified for use in global applications.