HONEYWELL MC-TDOY22 51204162-175 22-Channel High-Current Digital Output Module
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HONEYWELL MC-TDOY22 51204162-175 22-Channel High-Current Digital Output Module
The HONEYWELL MC-TDOY22 51204162-175 is a high-density, high-current digital output module, specifically designed as part of Honeywell’s TDC 3000 and Experion PKS systems to serve as a critical switching interface in distributed control systems (DCS). Its primary role is to receive digital commands from the DCS and actuate external devices—such as motors, valves, and alarms—via robust relay outputs.
Model MC-TDOY22 51204162-175
Brand Honeywell
Type 22-Channel High-Current Digital Output Module
Power Supply 24 V DC (18–30 V DC range)
Operating Temperature -40°C to 70°C (-40°F to 158°F)
Number of Channels 22 (independently configurable)
Relay Type DPDT (double-pole, double-throw)
Contact Rating 5 A @ 250 V AC; 5 A @ 30 V DC
Isolation Rating 2500 V RMS (channel-to-channel and channel-to-backplane)
Switching Time <10 ms (actuation); <5 ms (de-actuation)
Time Synchronization IEEE 1588 PTP (±1 ms accuracy)
Dimensions 170 mm x 130 mm x 240 mm (W x H x D)
Weight 2.1 kg (4.63 lbs)
Mounting Rack mount (compatible with TDC 3000/Experion racks)
Interfaces Backplane connector + diagnostic port
Certifications CE, UL 508, CSA C22.2, IEC 61010-1 (CAT III 600 V)
Diagnostic Features Contact weld detection, coil failure monitoring, open load detection
The HONEYWELL MC-TDOY22 51204162-175 is a high-density, high-current digital output module, specifically designed as part of Honeywell’s TDC 3000 and Experion PKS systems to serve as a critical switching interface in distributed control systems (DCS). Its primary role is to receive digital commands from the DCS and actuate external devices—such as motors, valves, and alarms—via robust relay outputs.
MC-TDOY22 51204162-175
What distinguishes the HONEYWELL MC-TDOY22 51204162-175 is its configuration of 22 independently configurable output channels, each rated for 5 A at 250 V AC, making it a versatile solution for both low and high-power applications. The model number 51204162-175 denotes its specific hardware revision, optimized for enhanced noise immunity in harsh industrial environments. It integrates seamlessly with Honeywell’s Sequence of Events (SOE) recorder and Safety Manager, as well as third-party SCADA systems, providing engineers with flexibility in safety and control system design. Whether deployed in new greenfield projects or retrofitted into legacy installations, the HONEYWELL MC-TDOY22 51204162-175 delivers the reliability and precision required for time-critical industrial operations.
MC-TDOY22 51204162-175
Main features and advantages:
A key strength of the HONEYWELL MC-TDOY22 51204162-175is its exceptional switching performance and channel isolation. Each of its 22 channels features double-pole, double-throw (DPDT) relays with gold-plated contacts, ensuring low contact resistance and extended operational life (rated for 100,000+ operations at full load). The module provides 2500 V RMS galvanic isolation between channels and from the backplane, preventing cross-talk and protecting sensitive DCS components from voltage transients—critical in environments with heavy motor loads or variable frequency drives. Hardware-wise, the HONEYWELL MC-TDOY22 51204162-175 features a ruggedized aluminum enclosure with conformal coating on circuit boards, resisting corrosion and moisture in washdown areas or chemical plants. Its compact design (170 mm x 130 mm x 240 mm) allows for dense packing in control racks, while integrated arc-suppression circuitry minimizes contact arcing during switching, reducing wear and extending relay life.
Reliability is embedded in the HONEYWELL MC-TDOY22 51204162-175’s design. It incorporates advanced diagnostic features that continuously monitor relay contacts for welds, excessive resistance, or coil failures, with real-time alerts transmitted to the DCS via a dedicated diagnostic bus. The module supports time-synchronized operation (±1 ms) using IEEE 1588 PTP, ensuring coordinated actuation of devices across distributed systems—essential for applications like synchronized conveyor stops in material handling. Its 5 A per channel rating eliminates the need for intermediate contactors in many applications, simplifying system architecture. The HONEYWELL MC-TDOY22 51204162-175 also supports hot-swapping, allowing for module replacement during operation without disrupting critical processes—a vital feature in 24/7 industrial facilities where downtime is costly.
Technical specifications:
Model MC-TDOY22 51204162-175
Brand Honeywell
Type 22-Channel High-Current Digital Output Module
Power Supply 24 V DC (18–30 V DC range)
Operating Temperature -40°C to 70°C (-40°F to 158°F)
Number of Channels 22 (independently configurable)
Relay Type DPDT (double-pole, double-throw)
Contact Rating 5 A @ 250 V AC; 5 A @ 30 V DC
Isolation Rating 2500 V RMS (channel-to-channel and channel-to-backplane)
Switching Time <10 ms (actuation); <5 ms (de-actuation)
Time Synchronization IEEE 1588 PTP (±1 ms accuracy)
Dimensions 170 mm x 130 mm x 240 mm (W x H x D)
Weight 2.1 kg (4.63 lbs)
Mounting Rack mount (compatible with TDC 3000/Experion racks)
Interfaces Backplane connector + diagnostic port
Certifications CE, UL 508, CSA C22.2, IEC 61010-1 (CAT III 600 V)
Diagnostic Features Contact weld detection, coil failure monitoring, open load detection
Contact Us Phone:+86 16626708626 WeChat/WhatsApp:+86 16626708626 Email: 3772179818@qq.com
Application areas:
In industrial operations where precise timing and reliable switching of high-power devices are critical to maintaining production continuity, a robust digital output module is essential. Imagine a steel mill where synchronized shutdown of 16 cooling water pumps during an emergency prevents equipment overheating, or a pharmaceutical filling line where sequential activation of 24 solenoid valves ensures precise dosage control. These are the scenarios where the HONEYWELL MC-TDOY22 51204162-175 excels, serving as a high-performance switching hub in industrial automation systems. Used in industrial setups ranging from automotive assembly plants to wastewater treatment facilities, the HONEYWELL MC-TDOY22 51204162-175 is engineered to handle high-current digital outputs with microsecond-level timing accuracy, converting control signals into actionable commands for heavy-duty equipment. It’s particularly valuable in applications where safety-critical operations demand fail-safe performance, such as in nuclear power auxiliary systems or chemical batch reactors. The HONEYWELL MC-TDOY22 51204162-175 addresses the challenge of controlling multiple high-power devices from a single module while maintaining isolation between channels, ensuring both operational efficiency and system safety.
Related products:
HONEYWELL MC-TDIY22 – 22-channel digital input module that pairs with the HONEYWELL MC-TDOY22 51204162-175 for complete input-output control loops.
HONEYWELL MC-RELAY-05 – Replacement DPDT relay module for the HONEYWELL MC-TDOY22 51204162-175, enabling easy maintenance of individual channels.
HONEYWELL MC-ISO-22 – Enhanced isolation module that increases channel-to-channel isolation to 5000 V RMS for utility-grade applications.
HONEYWELL MC-SOE-03 – Sequence of Events recorder that captures HONEYWELL MC-TDOY22 51204162-175 actuation times with microsecond precision.
HONEYWELL MC-PSU-22 – Redundant 24 V DC power supply optimized for the HONEYWELL MC-TDOY22 51204162-175 in safety-critical systems.
HONEYWELL MC-BP-12 – Backplane adapter allowing the HONEYWELL MC-TDOY22 51204162-175 to integrate with Honeywell Series 9000 racks.
HONEYWELL MC-COMM-15 – Ethernet gateway that connects the HONEYWELL MC-TDOY22 51204162-175 to OPC UA networks for remote monitoring.
HONEYWELL MC-DIAG-22 – Advanced diagnostic software that predicts relay wear in the HONEYWELL MC-TDOY22 51204162-175 using contact resistance trends.
Installation and maintenance:
Before installing the HONEYWELL MC-TDOY22 51204162-175, ensure the mounting rack is securely grounded to a dedicated safety earth (PE) to maximize isolation effectiveness. Verify that the control cabinet has adequate ventilation, as the module’s passive cooling relies on ambient airflow—maintain 50 mm clearance above and below. When wiring the HONEYWELL MC-MC-TDOY22 51204162-175, use 14–18 AWG conductors rated for at least 600 V, with ferrules crimped on wire ends to prevent stray strands. Separate relay output wiring from low-voltage signal cables by at least 200 mm to minimize EMI. For critical loads, connect both poles of the DPDT relays to ensure failsafe operation, and label each channel with the connected device and function.
For maintenance, schedule quarterly contact resistance tests using a micro-ohmmeter to identify early signs of relay wear in the HONEYWELL MC-TDOY22 51204162-175. Conduct monthly visual inspections to check for loose connections or signs of overheating (discoloration) on terminal blocks. Use Honeywell’s TDC 3000/Experion software to run relay actuation time analysis semi-annually, monitoring for increasing delay times that indicate impending failure. The module supports online relay replacement without removing it from the rack, but ensure proper lockout/tagout (LOTO) procedures are followed when working with live circuits. With proper maintenance, the HONEYWELL MC-TDOY22 51204162-175 is engineered for 15+ years of reliable service.
WhatsApp: +86 16626708626
Email: 3772179818@qq.com
Phone: +86 16626708626
