HONEYWELL 51204172-175 Analog Module MC-TAOY22

( Brand: Honeywell ), ( Manufacturer Part Number: 51204172-175 ), ( Part Type: Module )

Review HONEYWELL Analog Output Module Used

The **Honeywell 51204172-175 Analog Module (MC-TAOY22)** is a high-performance, field-proven analog input/output module designed to seamlessly integrate into Honeywell s **Experience (EXP)** and **Scalace** control systems, as well as other compatible automation platforms. This versatile module serves as a critical component in industrial automation, process control, and building management applications where precise analog signal processing is essential. Engineered with Honeywell s signature reliability and precision, the **MC-TAOY22** provides four isolated analog input channels (0-20 mA or 4-20 mA current loops, or 0-10 VDC voltage signals) and two isolated analog output channels (0-20 mA or 4-20 mA current loops), making it ideal for monitoring and controlling a wide range of industrial sensors, actuators, and field devices.

The module s robust construction ensures durability in harsh environments, featuring a **NEMA 4X-rated enclosure** that protects against dust, water, and corrosion, while its **wide operating temperature range** of -40 C to 70 C (with optional extended temperature variants) guarantees consistent performance in demanding industrial settings. Each input channel is equipped with **built-in overvoltage, short-circuit, and reverse-polarity protection**, safeguarding the module from potential damage while maintaining signal integrity. Similarly, the output channels deliver **high-precision current sourcing**, with a maximum output current of 20 mA per channel, ensuring accurate and stable control signals for connected devices such as valves, dampers, or motorized equipment.

One of the standout features of the **MC-TAOY22** is its **modular and scalable design**, allowing it to be easily integrated into Honeywell s **EXP and Scalace** control systems via the **MC Bus** communication protocol, which supports both **Ethernet/IP** and **Modbus TCP** for seamless data exchange. This flexibility enables engineers to deploy the module in applications ranging from **HVAC control systems** and **building automation** to **process industries** like manufacturing, oil and gas, or water treatment, where real-time analog signal processing is vital. The module s **low-latency response** and **high-resolution analog conversion** (up to 16-bit resolution) further enhance its suitability for applications requiring fine-tuned control, such as temperature regulation, pressure monitoring, or flow measurement.

Additionally, the **MC-TAOY22** is designed with **user-friendly configuration and diagnostics**, allowing operators and technicians to monitor input/output status, set calibration parameters, and troubleshoot issues through the **Honeywell Experience Control System** or compatible HMI interfaces. The module s **LED indicators** provide real-time feedback on signal status, while its **self-diagnostic capabilities** help identify potential faults before they escalate, reducing downtime and maintenance costs. For enhanced security, the module supports **password protection** and **role-based access control**, ensuring that only authorized personnel can modify critical settings.

Whether deployed in a **large-scale industrial facility** or a **commercial building automation system**, the **Honeywell 51204172-175 Analog Module (MC-TAOY22)** delivers a perfect blend of **reliability, precision, and flexibility**, making it an indispensable asset for engineers and system integrators seeking a high-performance analog I/O solution. Its compatibility with Honeywell s ecosystem of controllers, HMIs, and field devices ensures smooth integration into existing or new automation architectures, while its rugged construction and advanced protection features guarantee long-term operational stability in even the most challenging environments.

### **Pros and Cons of buying a Honeywell 51204172-175 Analog Module (MC-TAOY22)**

1. **Compatibility with Honeywell Systems** This module is designed specifically for Honeywell s **MC Series** (specifically the MC-TAOY22 model), ensuring seamless integration with existing Honeywell control systems, such as the **Honeywell Vision, Experience, or other MC-based platforms**.

2. **Analog Input Support** The module provides **analog input/output capabilities**, allowing it to interface with sensors, actuators, or other analog devices (e.g., temperature sensors, pressure transmitters, or motor control signals). This flexibility makes it useful for building automation, HVAC, or industrial control applications.

3. **Reliability and Brand Reputation** Honeywell is a well-established manufacturer in building automation, HVAC, and industrial control systems. Their modules are generally known for **durability, stability, and long-term performance**, reducing the risk of frequent failures.

4. **Technical Support and Documentation** Honeywell provides **detailed technical documentation, troubleshooting guides, and customer support**, which can be invaluable for installation, programming, and troubleshooting.

5. **Scalability** If you are working with a **Honeywell MC-based system**, this module can be part of a larger expansion, allowing for additional I/O points without replacing the entire control system.

6. **Industry Standard Compliance** Honeywell modules often comply with **industry standards** (e.g., NEMA, UL, or other certifications), ensuring safety and reliability in commercial or industrial environments.

7. **Future-Proofing** Since it is a Honeywell product, it is likely to remain supported for an extended period, reducing the risk of obsolescence compared to lesser-known or third-party alternatives.

---

1. **Cost** Honeywell modules tend to be **more expensive** than generic or third-party alternatives. The price may be a barrier for small businesses or DIY projects with tight budgets.

2. **Limited to Honeywell Ecosystem** This module is **not universally compatible** with non-Honeywell systems (e.g., Siemens, Johnson Controls, or generic PLCs). If you are not already using Honeywell, you may need additional adapters or converters, adding complexity and cost.

3. **Complex Installation & Programming** Honeywell systems, especially older or enterprise-grade ones, can require **specialized knowledge** for proper configuration. Misconfiguration could lead to system malfunctions or safety hazards.

4. **Potential for Obsolescence** While Honeywell products are generally long-lasting, **older models may eventually be discontinued**, leaving users dependent on spare parts or support contracts.

5. **Dependence on Honeywell s Software** If you rely on Honeywell s proprietary software (e.g., **Honeywell s Vision or Experience platforms**), you may face **licensing costs, updates, or compatibility issues** over time.

6. **Physical Size and Space Requirements** Analog modules like this one may require **dedicated rack space or mounting**, which could be a constraint in compact installations.

7. **Learning Curve for Non-Experts** For users without experience in **building automation, PLC programming, or Honeywell systems**, setting up and troubleshooting this module may be challenging.

---

### **Conclusion**

The **Honeywell 51204172-175 Analog Module (MC-TAOY22)** is a **high-quality, reliable choice** for users already integrated into a **Honeywell MC-based control system**. Its **analog input/output capabilities, brand reputation, and technical support** make it a strong option for **commercial HVAC, building automation, or industrial applications** where compatibility with Honeywell s ecosystem is essential.

However, if you are **not already using Honeywell systems**, the **high cost, limited compatibility, and complexity** may outweigh the benefits. In such cases, **generic analog I/O modules, PLCs, or third-party solutions** might be more cost-effective and flexible.

### **Recommendation**

- You are **already using a Honeywell MC system** (e.g., MC-TAOY22, Vision, or Experience).

- You need **analog I/O expansion** for sensors or actuators in a Honeywell-controlled environment.

- You prioritize **reliability, support, and long-term compatibility** over cost savings.

- You are **not using Honeywell systems** and need a more universal solution.

- Your budget is **limited**, and you can find a **lower-cost, equally capable module** from another manufacturer.

- You lack **experience with Honeywell programming**, as installation and troubleshooting may require professional assistance.

For **small-scale or non-Honeywell projects**, alternatives like **generic analog I/O modules, PLCs (e.g., Siemens, Allen-Bradley), or open-source solutions (e.g., Raspberry Pi custom firmware)** may offer better flexibility and cost efficiency. Always weigh the **long-term needs** of your system before making a purchase.

Details:

51204172-175 Honeywell Analog Output Module, 16 Input Channels, MC-TAOY22. Shipping: Shipping cost: is quoted as part of the sale. Compression Terminals. For example, Programmable Logic Controllers PLC's, Distributed Control Systems DCS's, Human Machine Interface HMI's, Variable Speed Drives VSD's, Power Supplies, Pressure Transmitters and everything in between.

Is Honeywell 51204172-175 not the part you are wanting.: condition: Used Item - All used products are guaranteed to be working but may show signs of use.

part #: 51204172175 prices

• $902.28-$1235.00

specifications pcbemdev:

• brand: Honeywell
• mpn: 51204172-175
• part type: Module

offer pcbemdev:

• availability: In Stock
• quantity: 2
• started: May 8, 2026
• best offers: True
• options: Ship-to-home
• sold: 0

shipping pcbemdev:

• service: Standard
• class: Standard
• type: Fixed
• cost: $0.00
• transit: 6-12 Days

seller pcbemdev:

• city: Denver, Colorado
• rating: 98.9%
• # reviews: 922

general pcbemdev:

• condition: Used
• Electronic Components Semiconductors > Circuit Boards Prototyping > Printed Circuit Boards PCBs

payments pcbemdev:

• other
• credit card: Diners-club
• wallet: Google-pay

returns pcbemdev:

• policy: Returns Accepted
• paid by: Seller
• method: Money back
• time: 60 Days

Honeywell 51204172-175 Is Similar To:

• 14507153-006circuit Honeywell 14507259-001 14507094-006 Board Module (38.1% similar) Used PC board...(March 7th, 2017)
• 621-2100 Honeywell New General Purpose Output Module (52.7% similar) Location: 97-B...(May 10th, 2018)
• Xi0-8ai Honeywell Input Output Module For Resistance Sensors New (47.5% similar) 7 Inc voltage v ac dc dimensions in compact design. I have a total of 6 new in box xii 8AI xii 8AI Honeywell analog input module with 8 inputs overview the Honeywell compact I o are Lon modules with a certain number of digital inputs, analog inputs, digital outputs, analog outputs, and hubs used ...(December 7th, 2015)
• S8670k3000 Honeywell Ignition Module Used (48.5% similar) Honeywell S8670K3000 ignition module used this item is and in working condition...(October 31st, 2018)
• Honeywell 9280039a Pressure Transmitter Module (46.2% similar) Unless stated otherwise. Used but in good condition, comes only as shown, no other kind of accessories included, removed from a working item, light scratches only, Honeywell 9280039A pressure transmitter module...(August 2nd, 2024)
• Honeywell 21827 Automatic Fault Locator Used 822d71 (50.9% similar) Message if any questions thanks...(October 22nd, 2024)
• Honeywell 51303978 I o Link Interface Controller Used (46.8% similar) Condition: used item - all used products are guaranteed to be working but may show signs of use. 51303978 Honeywell i/o link interface controller, 51303979-4 in: 19 35V. I/o link R300 cc. For example, programmable logic controllers plc's, distributed control systems DC's's, human machine interface ...(November 28th, 2024)
• Honeywell 51403988-150 Process Manager Comm Controller Used (47.9% similar) For example, programmable logic controllers plc's, distributed control systems DC's's, human machine interface him's, variable speed drives BSD's, power supplies, pressure transmitters and everything in between.: condition: used item - all used products are guaranteed to be working but may show ...(November 28th, 2024)
• Honeywell 620-0058 1024 I o Control Module (48% similar) This Honeywell 620-0058 1024 i/o control module is used and in excellent condition...(April 26th, 2025)
• Honeywell 30754922-00 Control Output Pcb Assembly 30754922-001 Fast Shipping From (38.8% similar) Thank-you and have a great day...(July 9th, 2025)
• Honeywell S7760a2031 Command Display Lonspec Lonstation Lon Used (42.6% similar) Working as it should when removed. It really good shape...(July 28th, 2025)