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Product Introduction
The Honeywell 8C-PDIPA1 (51454471-375) Digital Input Module is a critical component in Honeywell’s Experion PKS control systems, designed to acquire digital signals from field devices and transmit them to the controller with high reliability and precision. This module is tailored for discrete input monitoring, making it essential in safety-critical and process automation environments.
As part of the C300 controller system family, the 8C-PDIPA1 module serves in industrial control panels where robust digital signal acquisition is mandatory. The module supports a wide range of voltage levels and is engineered for seamless integration into distributed control systems (DCS). Its rugged construction and modular design allow for high availability and minimal downtime during maintenance or upgrades.
Product Specifications
| Parameter | Details |
|---|---|
| Model Number | 8C-PDIPA1 |
| Part Number | 51454471-375 |
| Manufacturer | Honeywell |
| Module Type | Digital Input Module |
| Input Channels | 32 channels |
| Input Type | Discrete (Digital) |
| Input Voltage Range | 18 VDC to 30 VDC |
| Input Signal Type | Dry contact, sourcing or sinking |
| Isolation | Optical isolation between field and logic |
| Module Status Indicators | LEDs per channel |
| Update Rate | < 10 ms typical |
| Hot Swap Capability | Supported |
| Operating Temperature | 0°C to 60°C (32°F to 140°F) |
| Storage Temperature | -40°C to 85°C (-40°F to 185°F) |
| Humidity | 5% to 95% non-condensing |
| Shock and Vibration | IEC compliant industrial grade |
| Mounting | Horizontal DIN rail mounting |
| Power Consumption | Approx. 3 W |
| Dimensions (LxWxH) | 60 x 155 x 145 mm |
| Weight | 0.3 kg |
Product Applications
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Industrial Process Automation: Ideal for oil & gas, chemical, and power industries where real-time monitoring of digital signals is essential.
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Factory Automation Systems: Used in PLC and DCS environments to track the status of devices such as switches, sensors, and alarms.
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Safety Systems: Supports the monitoring of emergency shutdown systems (ESD), fire & gas detection, and critical condition reporting.
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Building Management: Deployed in large-scale HVAC and facility management systems to monitor door contacts, alarms, and utility statuses.
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Energy Sector: Suitable for monitoring circuit breakers, isolators, and relay feedback in substations and power plants.
Product Advantages
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High Channel Density: With 32 input channels, this module enables efficient space usage and reduces hardware costs in high I/O count environments.
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Reliable Signal Acquisition: Accurate digital input detection with optical isolation ensures long-term reliability and safety in harsh environments.
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Seamless Integration: Designed for Honeywell’s Experion system architecture, it allows for plug-and-play configuration and effortless system scaling.
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Robust Design: Industrial-grade build with high resistance to temperature, humidity, shock, and vibration enhances operational lifespan.
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LED Indicators: Channel-wise LED indicators provide real-time signal diagnostics, simplifying troubleshooting and maintenance.
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Hot Swap Functionality: Enables module replacement without system shutdown, minimizing production downtime.
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Standardized Communication: Interfaces easily with other Honeywell modules and controllers using standard communication protocols.
Frequently Asked Questions (FAQ)
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Q: What system is the 8C-PDIPA1 module compatible with?
A: It is fully compatible with Honeywell’s Experion PKS C300 control system. -
Q: Can the module detect both sourcing and sinking digital inputs?
A: Yes, the module supports both sourcing and sinking input configurations. -
Q: Is this module suitable for safety-critical applications?
A: Yes, its high reliability and isolation features make it ideal for use in safety systems. -
Q: How many digital inputs does this module support?
A: The module supports 32 discrete digital inputs. -
Q: Can it be hot-swapped during live operation?
A: Yes, it supports hot-swapping without shutting down the system. -
Q: What kind of signal isolation is used?
A: Optical isolation is used between field wiring and internal logic. -
Q: What are the environmental ratings for temperature and humidity?
A: Operating temp: 0–60°C; Humidity: 5–95% non-condensing. -
Q: Does the module have diagnostic LEDs?
A: Yes, there is an LED for each input channel for status indication. -
Q: What is the typical update rate for inputs?
A: Less than 10 milliseconds for standard signal processing. -
Q: Can the module be used in hazardous area zones?
A: It can be used in certified enclosures for hazardous areas, but should be confirmed per system design.
Related Models (Same Series or Function)
| Model Number | Description |
|---|---|
| 8C-PAINA1 | Analog Input Module, 8 channels |
| 8C-PDODA1 | Digital Output Module, 32 channels |
| 8C-PAOHA1 | Analog Output Module, High-Density |
| 8C-PZTAZ1 | Relay Output Module |
| 8C-PDODD1 | Digital Output Module, 24VDC Sink |
| 8C-TAIXA1 | Temperature Input Module (RTD/TC) |
Popular Honeywell Models (Same Brand, High Demand)
| Model Number | Description |
|---|---|
| CC-PDIL01 | Digital Input Low Voltage Module, 16 channels |
| CC-PAOH01 | Analog Output High-Density Module, 8 channels |
| MC-TDID12 | Digital Input Module, TDC 3000 Series |
| CC-PDOB01 | Digital Output High Voltage, 24VDC |
| CC-PDIL51 | Isolated Digital Input Module |
| 51199929-100 | Serial Interface Module |
