Product Details
The Honeywell CC-PA0H51, also cataloged as the CC-PA0H51 Analog Output Module, operates as a dedicated hardware component for precise 4-20 mA current loop driving and discrete relay signal execution within Experion PKS Series-C systems. It converts internal digital control commands into regulated analog output currents and Form C relay contact switching states to actuate field valves, positioners, and variable speed drives.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | CC-PA0H51 |
| Brand | Honeywell |
| Origin | USA |
| Weight | 0.28 kg |
| Dimensions | Standard Series-C Form Factor |
| Operating Temp | -40 to +85 deg C |
| Power Consumption | System backplane powered via 24 VDC supply |
| Product Type | Analog Output Modules |
| Output Signal Range | 4-20 mA |
| Signal Protocol | HART 7 |
| Relay Contacts | 2 (Form C) |
| Output Accuracy | +/- 1% of full scale |
| System Compatibility | Experion PKS Series-C I/O systems |
HART Communication & Loop Isolation
The module integrates 4-20 mA HART loop protocol layer pass-through capability to allow two-way digital communication with smart field positioners and actuators. Signal conditioning circuitry provides channel-to-channel isolation and galvanic separation between internal logic buses and external field loops. This isolation matrix prevents ground loop interference, suppresses cross-talk across adjacent channels, and maintains continuous HART digital carrier signals over standard two-wire pairs without corrupting the primary analog value.
Frequently Asked Questions
Q: How does the HART 7 protocol implementation operate across the analog output loop?
A: The module superimposes Frequency Shift Keying (FSK) digital signals onto the 4-20 mA current signal, enabling real-time HART primary and secondary variable readout and online device configuration without interrupting the analog output level.
Q: What are the electrical ratings and behaviors for the integrated Form C relays?
A: The two Form C relay outputs provide dry SPDT contact sets (Normally Open / Normally Closed) isolated from the analog circuits, designed for auxiliary field interlocking and fault trip signalling controlled by system firmware logic.
Field Installation Guidelines
- Series-C Rack Seating: Align the module with the guide channels of the Series-C IOTA base or rack slot and press firmly until the retaining latch fully engages with the backplane header.
- Shield Grounding: Connect two-wire current loop shielded cables to the cabinet earth bus at one point only to prevent ground loop currents from destabilizing HART digital communication.
- Separation of Wiring: Maintain physical separation between 4-20 mA HART signal lines and high-current AC or switching DC inductive load lines to avoid noise coupling.
- Relay Contact Suppression: Install external arc suppression RC networks or flyback diodes across external loads connected to the Form C relay contacts when switching inductive field devices.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
Tech & Buying Guide
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