Excellent PLC
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Product Introduction
The Honeywell MC-PDIX02 (Part Number: 51304485-150) is a high-performance 24V DC digital input module designed for use within the Honeywell Experion Process Knowledge System (PKS) and TDC 3000 control systems. As a member of the C300 controller family, this module is engineered to interface with field digital devices such as limit switches, proximity sensors, contact inputs, and interlock signals.
Capable of monitoring 16 discrete input channels, the MC-PDIX02 module provides reliable signal acquisition with built-in diagnostics, time-stamping capabilities, and robust isolation for industrial environments. The module ensures seamless integration into complex automation architectures, delivering high availability and maintainability essential for industries with mission-critical operations.
Product Specifications
| Parameter | Specification |
|---|---|
| Model | MC-PDIX02 |
| Part Number | 51304485-150 |
| Input Type | Digital (Discrete) Inputs – 24V DC (sink/source compatible) |
| Number of Channels | 16 channels |
| Input Voltage Range | 0–30V DC |
| Nominal Input Voltage | 24V DC |
| Input ON Threshold | ≥15V DC |
| Input OFF Threshold | ≤5V DC |
| Input Impedance | Approx. 4.7 kΩ |
| Input Delay (Debounce) | 1–10 ms configurable |
| Time-Stamp Resolution | 1 ms |
| Channel Isolation | Channel-to-channel isolation not provided; group isolation |
| Diagnostics | Line monitoring, open wire detection |
| Redundancy Support | Supports redundancy via module pair configuration |
| System Compatibility | Experion PKS, C300, and TDC 3000 systems |
| Mounting Method | Mounted on standard Honeywell I/O chassis |
| Operating Temperature | 0°C to 60°C |
| Storage Temperature | -40°C to +85°C |
| Humidity | 5–95% RH, non-condensing |
| Dimensions (H x W x D) | 213 x 200 x 20 mm |
| Weight | 0.662 kg |
| Certifications | CE, CSA, FM, UL, RoHS |
Product Applications
The MC-PDIX02 is utilized across a wide range of industrial automation systems, particularly where discrete signal integrity, system uptime, and rapid response are vital. Common application areas include:
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Power Generation: Monitoring breaker status, interlocks, and protection system triggers.
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Refining & Petrochemical Plants: Digital monitoring of valves, pump interlocks, tank level switches.
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Water Treatment Facilities: Level, flow, and safety switch status collection.
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Manufacturing Automation: For discrete event triggers such as safety light curtains, relay contact inputs.
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Pharmaceutical Industry: Monitoring equipment doors, access panels, and cleanroom signals.
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Oil & Gas Platforms: Discrete signal input from pressure switches, limit alarms, and ESD devices.
Product Advantages
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High Channel Density: 16 inputs per module reduce cabinet footprint and wiring complexity.
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Precise Time-Stamping: 1 ms resolution event recording supports advanced sequence of events (SOE) tracking.
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System Compatibility: Seamlessly integrates with Honeywell’s DCS environments, including Experion PKS and TDC 3000.
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Built-in Diagnostics: Provides fast fault localization through open-wire detection and line health monitoring.
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Redundancy Support: Can be paired for fault-tolerant configurations to enhance system availability.
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Industrial Durability: Robust design for high-temperature and high-humidity environments.
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Low Power Consumption: Optimized for efficient power usage across large I/O networks.
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Minimal Maintenance: Long life cycle and hot-swap support reduce system downtime.
Frequently Asked Questions (FAQ)
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What is the function of the MC-PDIX02 module?
It monitors 24V DC digital signals from field devices such as switches and sensors. -
How many digital inputs does it support?
The module supports 16 independent digital input channels. -
Can the module operate in redundant configurations?
Yes, it supports redundancy when paired with another identical module. -
Is the module compatible with legacy Honeywell systems?
Yes, it works with both Experion PKS and older TDC 3000 systems. -
What happens if a field wire is broken?
The module’s diagnostic features will detect an open-wire fault and report it. -
Does it support hot-swapping?
Yes, the MC-PDIX02 supports removal and insertion under power in supported chassis. -
What is the time-stamp resolution for input events?
Events are time-stamped with 1 millisecond resolution. -
Is the input logic configurable (sink/source)?
Yes, the module supports both sinking and sourcing configurations depending on wiring. -
Does it include LED indicators for channel status?
Yes, each channel has an individual LED for visual status indication. -
Is this module certified for use in hazardous environments?
It carries FM, CSA, and CE approvals, and is suitable for use in standard industrial areas (check system design for hazardous area I/O modules).
Recommended Related Models (Same Series or Function)
| Model | Description |
|---|---|
| MC-TAIH04 | 16-Channel Analog Input Module |
| MC-TDOY22 | 16-Channel Digital Output Module |
| MC-PDIY22 | 16-Channel 24V DC Digital Input Module (DIN rail) |
| MC-PDOY22 | 16-Channel 24V DC Digital Output Module |
| MC-TAMR03 | RTD/mV Input Module |
| MC-PAOY22 | Analog Output Module – 4 to 20 mA |
Popular Honeywell Models (Different Functionality, Same Brand)
| Model | Description |
|---|---|
| CC-PDIL01 | Pulse Digital Input Module |
| CC-PAOH01 | Analog Output Module |
| CC-TDIL01 | Digital Input Module (TDC3000 compatible) |
| CC-PAIH01 | High-density Analog Input Module |
| FC-TDIO11 | Compact Digital I/O Module (for field control) |
| CC-PCNT01 | Pulse Counter Module |
