Overview
The Honeywell MC-PDIY22 is a conformally coated digital input module designed for use in demanding industrial environments. It features 32 digital input channels, each capable of monitoring field devices such as switches, sensors, and contact closures. As part of Honeywell’s Experion PKS and TDC 3000 distributed control systems, the MC-PDIY22 ensures full compatibility across both legacy and modern automation platforms.
Moreover, this module is engineered for high reliability, with a protective coating that shields electronic components from moisture, dust, and corrosive atmospheres. In addition, its compact design and low power consumption make it ideal for dense control cabinet installations. Therefore, it is widely adopted in process industries where uptime, precision, and operational safety are essential.
For example, in a petrochemical facility, the MC-PDIY22 monitors emergency stop circuits and valve position switches, ensuring immediate detection and response to safety-critical signals.
Technical Data
| Parameter | Specification |
|---|---|
| Model | MC-PDIY22 |
| Product Type | Digital Input I/O Processor |
| Dimensions (L × W × H) | 170 mm × 120 mm × 40 mm |
| Weight | 0.75 kg |
Typical Applications
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Process Control Systems – Monitors digital signals from field devices in chemical, oil & gas, and pharmaceutical plants.
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Machine Automation – Interfaces with limit switches, proximity sensors, and safety interlocks in manufacturing lines.
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Building Automation – Tracks door contacts, alarm inputs, and occupancy sensors in large facilities.
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Power Generation – Supports turbine, boiler, and auxiliary control systems by capturing digital status inputs.
In addition, the MC-PDIY22 is commonly deployed in Safety Instrumented Systems (SIS), where reliable digital signal monitoring is essential for maintaining compliance and operational integrity.
FAQ
Q: What systems is the MC-PDIY22 compatible with?
It is designed for Honeywell Experion PKS and TDC 3000 control systems.
Q: How many inputs does it support?
It provides 32 independent digital input channels.
Q: Is it suitable for harsh environments?
Yes. The conformal coating protects against humidity, dust, and corrosive agents.
Q: What is the input voltage range?
It operates at 24 VDC and consumes approximately 100 mA.
Q: Can it be used in safety-critical applications?
Yes. It is often used in Safety Instrumented Systems (SIS) requiring dependable digital input acquisition.
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| Shipping Port | ShangHai, Xiamen |
| Warranty | 12 Months |
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