Honeywell MC-TDIA12 51304439-175 Isolated Digital Input Module Excellent PLC Co.,Ltd

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Honeywell MC-TDIA12 51304439-175 Isolated Digital Input Module

Manufacturer:Honeywell

Product Number:MC-TDIA12 51304439-175

Product Type:Isolated Digital Input Module

Origin:USA

Dimensions:230 x 123 x 20 mm

Weight:0.862 kg

Views:35

Payment Methods:T/T, PayPal, Western Union

Condition:New & In Stock

Shipping Port:Xiamen, China

Warranty:1 Year

Lead Time:1-3 Working Days

Certificate:COO

Courier partners:DHL, UPS, TNT, FedEx and EMS.

Business hours:7*24


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Company Information
E-mail [email protected]
Mobile +8613666033393
Whatsapp +8613666033393
WeChat 13666033393
Add Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China
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Honeywell MC-TDIA12 51304439-175 Isolated Digital Input Module

Product Introduction

The Honeywell MC-TDIA12 51304439-175 Isolated Digital Input Module is a precision-engineered module designed to integrate with Honeywell’s TDC 3000, Experion PKS, and compatible distributed control systems. It is specifically designed to receive and process discrete digital signals from field devices, providing isolated input channels to ensure reliable operation in electrically noisy industrial environments.

With 12 input channels, the MC-TDIA12 allows control systems to monitor switches, relays, and contact signals with high accuracy and speed. Its full channel-to-bus isolation ensures that electrical faults in field wiring do not propagate into the control system. Built-in diagnostics provide status reporting and fault detection for improved system reliability and proactive maintenance.

The module is ideal for industries where high availability, signal integrity, and rapid digital response are critical for process monitoring and control.


Technical Specifications

Parameter Specification
Model Number MC-TDIA12 51304439-175
Product Type Isolated Digital Input Module
Compatible Systems Honeywell TDC 3000 / Experion PKS Series
Input Channels 12 isolated digital input channels
Input Signal Type Dry contact, transistor, or relay contact signals
Input Voltage Range 24 V DC nominal (12–30 V DC)
Isolation Voltage 1500 V DC channel-to-bus
Input Current 4 mA typical per channel
Response Time <5 ms per channel
Debounce Time 10 ms (configurable)
Power Supply 24 V DC nominal
Power Consumption <5 W
Operating Temperature 0 °C to +55 °C
Storage Temperature –20 °C to +70 °C
Humidity 10–90 % RH (non-condensing)
Diagnostics Channel status, communication check, self-test
Mounting Plug-in module for Honeywell I/O chassis
Dimensions 230 x 123 x 20 mm
Weight 0.862 kg
Certifications CE, UL, CSA, FCC Class A

Applications

The MC-TDIA12 module is widely used in industrial automation systems where reliable digital signal acquisition is essential:

  • Petrochemical and Refining: Monitoring safety interlocks, limit switches, and emergency shutdown signals.

  • Power Generation: Receiving status inputs from turbine controls, breaker positions, and auxiliary systems.

  • Chemical and Pharmaceutical Plants: Monitoring digital sensors and equipment interlocks to maintain process safety.

  • Water and Wastewater Treatment: Acquiring discrete inputs from level switches, pump status, and flow alarms.

  • Oil and Gas: Interface with field relays, solenoids, and emergency shutdown devices.

  • Laboratories and Pilot Plants: Digital monitoring of experimental or test equipment requiring isolated signal integrity.


Advantages

  • High Signal Integrity: Fully isolated input channels protect against electrical interference and ground loops.

  • Fast Response: Response times under 5 ms ensure accurate and timely signal acquisition.

  • Flexible Input Types: Accepts dry contact, transistor, and relay input signals, adaptable to diverse field devices.

  • Comprehensive Diagnostics: Self-test and channel status reporting reduce downtime and maintenance effort.

  • System Reliability: Channel-to-bus isolation enhances control system safety and protects against field faults.

  • Compact and Modular: Designed for dense installation within Honeywell I/O racks.

  • Rugged Industrial Design: Resistant to vibration, temperature variation, and electrical noise common in industrial environments.

  • Seamless Integration: Compatible with Honeywell TDC 3000, Experion PKS, and similar control systems.


FAQ

  1. How many digital input channels does the MC-TDIA12 provide?
    It provides 12 fully isolated input channels for discrete signal acquisition.

  2. What types of digital signals can the module process?
    It can process dry contact, transistor, and relay contact signals.

  3. Is each input channel isolated?
    Yes, each channel is electrically isolated from the bus and other channels.

  4. What is the typical response time for digital inputs?
    The module has a response time of less than 5 milliseconds per channel.

  5. What is the input voltage range?
    Nominal 24 V DC, with a valid operating range of 12–30 V DC.

  6. Does the module include diagnostic functions?
    Yes, it provides self-test routines, channel status monitoring, and communication error detection.

  7. Can the debounce time for inputs be configured?
    Yes, the module allows a debounce time of 10 ms, which can be configured based on application needs.

  8. Is the MC-TDIA12 compatible with redundant systems?
    Yes, it supports integration into redundant I/O architectures for high-availability control systems.

  9. How does the module maintain reliability in electrically noisy environments?
    Full channel-to-bus isolation and robust filtering protect signal integrity from noise and transients.

  10. Can it interface with older Honeywell TDC 3000 systems?
    Yes, it is fully compatible with TDC 3000 and Experion PKS platforms without modification.


Related Models (Same Series / Similar Function)

Model Description
MC-TDIA11 8-channel isolated digital input module
MC-TDIA13 16-channel isolated digital input module
MC-TDOD22 12-channel digital output module
MC-TDIY22 Isolated digital input module for distributed systems
MC-TDIL12 Standard digital input module
MC-TDOD12 Standard digital output module

Popular Honeywell Models (Same Brand)

Model Description
MC-TAIL03 Low-level analog input module
MC-TAOX52 8-channel analog output module
MC-PAIH04 Advanced analog input module with diagnostics
MC-PDOY22 Precision analog output module
MC-TAMT04 Temperature measurement module
MC-TAMR04 Mixed analog/digital input/output module
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FAQ

  1. How many digital input channels does the MC-TDIA12 provide?
    It provides 12 fully isolated input channels for discrete signal acquisition.

  2. What types of digital signals can the module process?
    It can process dry contact, transistor, and relay contact signals.

  3. Is each input channel isolated?
    Yes, each channel is electrically isolated from the bus and other channels.

  4. What is the typical response time for digital inputs?
    The module has a response time of less than 5 milliseconds per channel.

  5. What is the input voltage range?
    Nominal 24 V DC, with a valid operating range of 12–30 V DC.

  6. Does the module include diagnostic functions?
    Yes, it provides self-test routines, channel status monitoring, and communication error detection.

  7. Can the debounce time for inputs be configured?
    Yes, the module allows a debounce time of 10 ms, which can be configured based on application needs.

  8. Is the MC-TDIA12 compatible with redundant systems?
    Yes, it supports integration into redundant I/O architectures for high-availability control systems.

  9. How does the module maintain reliability in electrically noisy environments?
    Full channel-to-bus isolation and robust filtering protect signal integrity from noise and transients.

  10. Can it interface with older Honeywell TDC 3000 systems?
    Yes, it is fully compatible with TDC 3000 and Experion PKS platforms without modification.

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Related Models (Same Series / Similar Function)

Model Description
MC-TDIA11 8-channel isolated digital input module
MC-TDIA13 16-channel isolated digital input module
MC-TDOD22 12-channel digital output module
MC-TDIY22 Isolated digital input module for distributed systems
MC-TDIL12 Standard digital input module
MC-TDOD12 Standard digital output module

Popular Honeywell Models (Same Brand)

Model Description
MC-TAIL03 Low-level analog input module
MC-TAOX52 8-channel analog output module
MC-PAIH04 Advanced analog input module with diagnostics
MC-PDOY22 Precision analog output module
MC-TAMT04 Temperature measurement module
MC-TAMR04 Mixed analog/digital input/output module

Honeywell MC-TDIA12 51304439-175 Isolated Digital Input Module

Company Information
E-mail [email protected]
Mobile +8613666033393
Whatsapp +8613666033393
WeChat 13666033393
Add Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China

Excellent PLC Co., Ltd. has a large number of brand new and original PLC and DCS spare parts, with more than 60 cooperative countries. All products are guaranteed for 1 year and delivered to you by high-quality express. We are committed to using the best products and the most favorable prices to meet the needs and friendship of our customers. We have won the trust of thousands of customers, including these excellent customers.

As for the delivery time, when we receive your order requirements, we will arrange for warehouse personnel to test and verify the products. After you place the order, we will send it to you within 24 hours.

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