Honeywell 2MLQ-RY1A-CC Relay Digital Output Module

The Honeywell 2MLQ-RY1A-CC Relay Digital Output Module is an industrial-grade relay output device engineered for use in Honeywell’s process automation systems. It provides a reliable interface between the control system and field devices that require relay-based switching, such as motors, solenoids, alarms, interlocks, and lighting systems.

This module is part of Honeywell’s MLQ Series, known for its rugged design and compatibility with distributed control systems (DCS) and safety systems. With 16 isolated relay outputs, built-in diagnostics, and flexible mounting options, the 2MLQ-RY1A-CC helps ensure process integrity in industries where uptime, reliability, and safety are non-negotiable.

Product Specifications

Product Applications

The Honeywell 2MLQ-RY1A-CC Relay Digital Output Module is designed for broad use in industries requiring reliable control of electromechanical devices, including:

• Oil & Gas Industry

  For actuation of emergency shutdown valves, fire & gas alarms, blowdown valves, and compressors.

• Power Generation

  Relay control of auxiliary equipment, generators, switchgear, and plant alarms.

• Chemical and Petrochemical Plants

  Control of batch equipment, agitators, process pumps, emergency alarms, and interlocks.

• Water and Wastewater Treatment

  Automated relay control of pumps, blowers, gates, and monitoring systems.

• Pharmaceutical Industry

  For validated relay-based control of cleanroom equipment, HVAC systems, and alarms.

• Food & Beverage Production

  Control of packaging machinery, conveyors, process skids, and safety interlocks.

Product Advantages

• Industrial-Grade Reliability

  Heavy-duty mechanical relays with wear compensation ensure longevity even under frequent switching cycles.

• High Channel Density

  Provides 16 individually isolated relay outputs in a compact form factor.

• Excellent Isolation

  High electrical isolation (1500 V RMS) protects the control system from field transients.

• Fast Switching

  Typical response time of <10 ms ensures quick actuation of field devices.

• Built-In Diagnostics

  LED indicators and fault monitoring simplify troubleshooting and improve system transparency.

• Flexible Mounting

  Supports DIN rail and panel mounting, suitable for most industrial enclosures.

• Certified for Global Use

  Fully certified to CE, UL, and CSA standards, making it suitable for international projects.

• Minimal Maintenance

  Designed for extended service life with minimal maintenance intervention.

Frequently Asked Questions (FAQ)

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

   It delivers 16 relay-based digital outputs to control field devices such as alarms, motors, and valves.

2. Is the module compatible with Honeywell Experion PKS systems?

   Yes, it integrates seamlessly with Honeywell’s Experion PKS, TPS, and other control platforms.

3. What is the switching capacity of each relay output?

   Each channel supports up to 2 A at 30 VDC or 250 VAC (resistive load).

4. Does it provide feedback on output status?

   Yes, each relay channel has an individual LED status indicator.

5. How fast does the module switch?

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

6. What isolation is provided between channels and the system?

   Isolation of 1500 V RMS is provided for enhanced system protection.

7. Can this module be DIN rail mounted?

   Yes, it supports both DIN rail and panel mounting options.

8. Does the module support diagnostic features?

   Yes, it includes LED status indicators and built-in fault monitoring.

9. What certifications does this module carry?

   It is CE, UL, and CSA certified.

10. What are the operating temperature limits for this module?

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