Product Details
Configured for volatile memory preservation in C300 Distributed Control System platforms, the Honeywell 51308105-400 (51308105-400 Controller Memory Backup Module) provides direct physical/electrical execution. Mounted directly on the controller hardware, the module sustains up to 128 MB of internal program parameters and runtime configurations across 1-2 physical S8 C300 units during electrical supply failure vectors.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 51308105-400 |
| Brand | Honeywell |
| Origin | United States |
| Weight | 2.8 oz (approx. 80 g) |
| Dimensions | 2.95 x 1.77 x 0.47 inches |
| Operating Temp | Standard C300 system environment limits |
| Power Consumption | Hosted by controller module interface |
| Memory Capacity | 128 MB |
| Supported Controllers | 1-2 physical S8 C300 units |
| System Compatibility | C300 DCS |
Honeywell DCS Channel-to-Channel Isolation Parameters
The memory backup architecture is engineered to operate in parallel with standard channel-to-channel isolation layers built into the Honeywell C300 terminal matrix. The physical grounding and shielded contacts isolate low-voltage backup energy paths from external field wiring common-mode disturbances, preventing electrical noise from affecting the 4-20 mA HART loop protocol handling channels during active failover sequences.
Frequently Asked Questions
Q: Can this memory backup module be hot-swapped while the primary S8 C300 controller is actively running control logic?
A: Yes, the mechanical and electrical interface allows for hot-swap maintenance under live system rack voltage conditions without disrupting localized controller bus performance.
Q: How many physical C300 controller nodes can be concurrently sustained by a single 51308105-400 unit?
A: The physical board routing layout is internally configured to support and bridge the backup voltage rails of 1-2 physical S8 C300 units simultaneously.
Field Installation Guidelines
- Align the 2.95 x 1.77 x 0.47 inches backup board module with the dedicated mounting footprint directly located on the C300 base assembly.
- Press the connection pins firmly into the mating socket until the structural retaining components click to secure the link against industrial plant vibration.
- Ensure that the cabinet grounding braid forms a low-impedance electrical interface to the main chassis earth terminal to limit transient risks.
- Execute standard software diagnostics through the engineering interface to verify that the 128 MB volatile memory cache registers clear status indicators.
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.
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