The Honeywell 8C-PAIH52 (51307070-175) serves as a high-density, 16-channel analog input module specifically engineered for the C300 Series 8 Control System. This module functions as the primary interface between field sensors and the controller, converting critical process variables—such as pressure, temperature, and flow—into precise digital data. We provide this unit as 100% Brand New original hardware, ensuring maximum uptime for mission-critical industrial loops.
Additionally, the Honeywell 51454475-100 RAM Charger Module supports the Series 8 architecture by providing vital memory backup and I/O link extension capabilities. Together, these components maintain system integrity in complex, distributed environments like oil refineries and chemical processing plants.
| Feature | Honeywell 8C-PAIH52 Specifications |
| Channels | 16 High-Level Analog Inputs |
| Resolution | 16-Bit A/D Converter |
| Accuracy | ±0.05% of Full Scale |
| Signal Range | 4-20mA, 1-5VDC, 0-5VDC, 0-10VDC |
| Isolation | 1500V AC Channel-to-Channel |
| Power Consumption | 5 Watts @ 24VDC |
| Operating Temp | -40°C to +70°C |
| Input Impedance | 250Ω (Current) / >1MΩ (Voltage) |
Optimized Signal Integrity: The 8C-PAIH52 utilizes advanced 16-bit resolution and 1500V AC isolation to eliminate ground loops and electrical noise. This ensures that the C300 controller receives clean, accurate data even in high-interference environments.
Rapid Maintenance Design: The compact Series 8 form factor allows for DIN rail mounting, which reduces cabinet footprint and simplifies wiring. The "Plug-and-Play" nature of the RAM Charger (51454475-100) ensures that memory configurations remain intact during power transitions or hardware swaps.
Extreme Environment Resilience: Honeywell builds these modules to survive a massive temperature range (-40°C to +70°C). This eliminates the need for expensive climate-controlled enclosures in many outdoor or heavy-industrial settings.
Scalable I/O Linking: The 51454475-100 module facilitates long-distance I/O link extensions via fiber optic couplers. This allows engineers to expand the control network across large facilities without signal degradation.
Does the 8C-PAIH52 support HART protocol communication?
Yes, the 8C-PAIH52 fully supports HART pass-through, allowing the C300 system to access secondary variable data and diagnostic information from smart field devices.
Is this module compatible with older Honeywell C200 systems?
While Series 8 hardware primarily targets C300 environments, specific I/O link configurations allow for cross-system data sharing. We recommend verifying your specific firmware revision for full compatibility.
What is the primary role of the 51454475-100 RAM Charger?
The RAM Charger provides the necessary backup voltage to maintain the volatile memory of the Series 8 controller. It also acts as a bridge for I/O link extensions, ensuring data flows reliably between remote I/O racks and the central processor.
How should I mount these modules for best thermal performance?
Install the modules vertically on standard DIN rails. Maintain at least 50mm of clearance above and below the module rack to allow for natural convection cooling, especially in high-density 16-channel configurations.
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