The HONEYWELL MC-TDOY22is a digital output module that plays a vital role in industrial control systems. It is an integral part of Honeywell’s comprehensive range of products designed for distributed control systems (DCS). These DCS platforms are the nerve centers of modern industrial setups, coordinating the operation of various devices and processes.
Model MC-TDOY22 (Part Number: 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)
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-TDOY22is a digital output module that plays a vital role in industrial control systems. It is an integral part of Honeywell’s comprehensive range of products designed for distributed control systems (DCS). These DCS platforms are the nerve centers of modern industrial setups, coordinating the operation of various devices and processes.
MC-TDOY22
TheMC-TDOY22 acts as an interface between the control system and the external devices that need to be controlled. It receives digital commands from the DCS and then converts these commands into actionable outputs. For example, when the DCS determines that a particular motor in a manufacturing process needs to be started, it sends a digital signal to the MC-TDOY22 The module then relays this signal to the motor’s control circuit, switching it on.
This module is highly compatible with Honeywell’s TDC 3000 and Experion PKS systems, among others. Its seamless integration with these platforms allows engineers and integrators to design and implement control systems with ease. The flexibility it offers in terms of channel configuration and signal handling makes it a valuable asset. Engineers can program each of its channels independently, enabling them to control a diverse range of devices from a single module, which simplifies system design and reduces complexity.
MC-TDOY22
Main features and advantages:
One of the standout features of the HONEYWELL MC-TDOY22 is its high – density channel configuration. With 22 independently configurable output channels, it offers a great deal of versatility. Each channel is rated for 5 A at 250 V AC, meaning it can handle both low – power and high – power devices. This is a significant advantage as it eliminates the need for multiple modules in many applications, reducing costs and saving space in control cabinets.
The module’s double – pole, double – throw (DPDT) relays with gold – plated contacts are a boon for long – term reliability. The gold plating reduces contact resistance, which in turn minimizes power losses and heat generation. As a result, the relays have an extended operational life, rated for over 100,000 operations at full load. This makes the MC-TDOY22 suitable for applications where continuous and reliable operation is a must, such as in 24/7 industrial plants.
Galvanic isolation of 2500 V RMS between channels and from the backplane is another crucial feature. In industrial environments, electrical interference and voltage transients are common. This isolation protects the sensitive components of the DCS from damage and prevents cross – talk between channels. It ensures that each output channel functions independently and accurately, even in the presence of strong electrical noise.
In terms of hardware design, the MC-TDOY22 has a ruggedized aluminum enclosure. This not only provides protection against physical damage but also helps in dissipating heat effectively. The conformal coating on its circuit boards further enhances its resistance to corrosion and moisture, making it suitable for use in harsh industrial environments, including those with high humidity or exposure to chemicals.
MC-TDOY22
Technical specifications:
Model MC-TDOY22 (Part Number: 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)
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 the fast – paced world of industrial automation, the need for a reliable and efficient digital output module is paramount. The HONEYWELL MC-TDOY22 is a game – changer in this domain, finding applications across a wide spectrum of industries. In the automotive industry, for instance, where precision and speed are crucial, the MC-TDOY22 is used to control robotic arms on assembly lines. These arms need to be activated and deactivated with split – second accuracy to pick, place, and assemble parts. The module ensures that the motors driving these arms receive the correct digital signals, enabling seamless and error – free operation. This not only boosts production efficiency but also reduces the likelihood of defective products.
Power generation plants also rely heavily on the HONEYWELL MC-TDOY22. In such facilities, the control of various electrical components is critical. The module is used to switch on and off circuit breakers, manage the operation of auxiliary equipment like pumps and fans, and control the flow of power. In a large – scale power station, thousands of such operations need to occur precisely and in a coordinated manner. The MC-TDOY22 steps in to handle these digital output tasks, ensuring the stable and continuous generation of electricity.
Another area where this module shines is in wastewater treatment plants. Here, it controls the operation of numerous valves that regulate the flow of wastewater through different treatment processes. From the initial screening stage to the final disinfection, the timely opening and closing of these valves are essential for effective treatment. The HONEYWELL MC-TDOY22 provides the necessary digital control signals, allowing for smooth and efficient wastewater treatment, which is crucial for environmental protection.
Related products:
HONEYWELL MC – TDIY22 – This is a 22 – channel digital input module. It pairs perfectly with the MC – TDOY22 to form a complete input – output control loop. While the MC – TDOY22 handles digital outputs, the MC – TDIY22 takes care of digital inputs, allowing for comprehensive control system design.
HONEYWELL MC – RELAY – 05 – It is a replacement DPDT relay module for the MC – TDOY22. In case of a relay failure in the MC – TDOY22, the MC – RELAY – 05 can be easily installed to replace the faulty relay, ensuring continuous operation of the module without having to replace the entire unit.
HONEYWELL MC – ISO – 22 – An enhanced isolation module, the MC – ISO – 22 can be used with the MC – TDOY22 to increase the channel – to – channel isolation to 5000 V RMS. This is particularly useful in utility – grade applications where higher levels of isolation are required to protect against extreme electrical transients.
HONEYWELL MC – SOE – 03 – The Sequence of Events recorder, MC – SOE – 03, captures the actuation times of the MC – TDOY22 with microsecond precision. This is valuable for applications where precise timing of events is crucial, such as in power plants for analyzing the sequence of electrical events.
HONEYWELL MC-PSU-22 – A redundant 24 V DC power supply, the MC – PSU – 22 is optimized for use with the MC – TDOY22 in safety – critical systems. It provides an additional layer of power protection, ensuring that the MC – TDOY22 continues to operate even in the event of a primary power supply failure.
HONEYWELL M -B -12 – This is a backplane adapter that allows the MC – TDOY22 to integrate with Honeywell Series 9000 racks. It provides flexibility in system installation, enabling the use of the MC – TDOY22 in different rack configurations.
HONEYWELL MC – COMM – 15 – An Ethernet gateway, the MC – COMM – 15 connects the MC – TDOY22 to OPC UA networks. This enables remote monitoring and control of the MC – TDOY22, allowing engineers to manage the module from a distance, which is convenient for large – scale industrial setups.
HONEYWELL MC – DIAG – 22 – An advanced diagnostic software, the MC – DIAG – 22 works in tandem with the MC – TDOY22 to predict relay wear. By analyzing contact resistance trends, it can alert operators in advance when a relay is about to fail, allowing for proactive maintenance.
Installation and maintenance:
Before installing the HONEYWELL MC-TDOY22, several pre – installation considerations must be taken into account. The control cabinet where the module will be installed should have sufficient space. Ensure that there is at least 50 mm of clearance above and below the module to facilitate proper ventilation, as the module relies on passive cooling. Grounding is also of utmost importance. The mounting rack should be securely grounded to a dedicated safety earth (PE) to maximize the effectiveness of the module’s isolation features. When wiring the module, use 14 – 18 AWG conductors that are rated for at least 600 V. Ferrules should be crimped on the wire ends to prevent stray strands, which could cause short circuits.
For maintenance, a regular schedule is essential. Conduct quarterly contact resistance tests using a micro – ohmmeter. This helps in identifying early signs of relay wear in the MC-TDOY22. Monthly visual inspections should be carried out to check for any loose connections or signs of overheating, such as discoloration on the terminal blocks. Use Honeywell’s TDC 3000/Experion software to run relay actuation time analysis semi – annually. An increase in delay times could indicate impending relay failure. The module supports online relay replacement, but it is crucial to follow proper lockout/tagout (LOTO) procedures when working on live circuits to ensure safety.
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Email: 3772179818@qq.com
Phone: +86 16626708626
