Product Details
The Honeywell FMIC-222-C275-20M, also cataloged as the 51195498-020 RAM Charger / Controller Memory Backup Module, operates as a dedicated hardware component for volatile memory preservation within Honeywell Experion PKS networks. Configured for secondary power routing to maintain internal configuration state consistency, the device provides standalone electrical energy retention to sustain active RAM data boundaries across connected S8 C300 controller nodes during input power disruptions.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | FMIC-222-C275-20M (Part Number: 51195498-020) |
| Brand | Honeywell |
| Origin | USA |
| Weight | 0.8 kg |
| Dimensions | 2.95 x 1.77 x 0.47 inches (75 x 45 x 12 mm) |
| Operating Temp | Standard enclosure operational environmental limits |
| Power Consumption | Dependent on host C300 bus charging circuit limits |
| Compatible System | Honeywell Experion PKS, S8 C300 Controllers |
| Supported Controllers | Up to 4 x S8 C300 controllers |
Honeywell DCS Channel-to-Channel Isolation Parameters
The module architecture functions alongside the processing matrix to sustain the structural channel-to-channel isolation metrics designated across the C300 I/O baseplates. By establishing isolated energy delivery paths, the assembly restricts high-frequency electrical spikes or ground differentials from passing between the memory architecture and external field networks, protecting concurrent 4-20 mA HART loop protocol transactions from operational interference or data line corruption.
Frequently Asked Questions
Q: Can this RAM charger module undergo hot-swap replacement while the connected C300 controllers are online?
A: Yes, the mechanical and electrical interface pins allow online hot-swap maintenance under energized rack conditions without disrupting active controller bus communication or interrupting active process control execution.
Q: How many distinct C300 control hardware units can be concurrently linked to a single module?
A: The physical conductor layout and terminal array are configured to distribute memory preservation voltage paths to a maximum of 4 x S8 C300 controllers simultaneously.
Field Installation Guidelines
- Mount the 2.95 x 1.77 x 0.47 inches module layout directly onto the designated chassis retention slot adjacent to the main processing board.
- Route all low-voltage interconnection lines through separated cabinet wireways, ensuring complete isolation from high-voltage AC feeds or inductive motor circuits.
- Seat the pin header connector firmly into the baseplate socket, confirming that the structural retaining tabs lock securely to resist mechanical vibration.
- Verify that the system enclosure terminal frame is linked to a low-impedance master instrumentation earth ground before completing commissioning diagnostics.
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.
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- 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.
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