Product Details
Configured for real-time system data logging and software storage in Honeywell LCN System platforms, the Honeywell 51196895-100 (51196895-100 Hard Drive Unit) provides direct physical/electrical execution.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 51196895-100 |
| Brand | Honeywell |
| Origin | USA |
| Weight | Approx. 0.80 kg (2.00 kg shipping weight) |
| Dimensions | Standard LCN mass storage tray mounting dimensions |
| Operating Temp | 0 deg C to +50 deg C |
| Power Consumption | Max. 15 W at 5 VDC / 12 VDC supply rails |
| Formatted Capacity | 1.8 GB |
| System Compatibility | Honeywell LCN System Installation |
| Interface Type | Internal system disk interface bus |
4-20 mA HART Loop Protocol and Channel-to-Channel Isolation
The drive assembly integrates internal power supply noise filters and isolated interface electronics to maintain galvanic channel-to-channel isolation across system backplane buses. By preventing ground loop currents and high-frequency switching transients generated during disk spin-up or head positioning from leaking into backplane power rails, the unit prevents electrical crosstalk that could impair analog I/O modules processing 4-20 mA HART loop protocol telemetry.
Frequently Asked Questions
Q: How is physical power delivered to the 51196895-100 hard drive assembly?
A: Power is supplied directly via the LCN chassis backplane connector, which feeds regulated 5 VDC logic and 12 VDC spindle motor rails to the drive mounting tray.
Q: Can the 51196895-100 drive be hot-swapped while the LCN node is actively processing?
A: No, power to the local node shelf or disk carrier bay must be de-energized prior to removing or installing the hard drive module to prevent file system corruption and interface bus surges.
Q: What mounting hardware is required for rack positioning within the cabinet?
A: The module mounts into dedicated LCN drive slots using standard side-rail guide brackets and front captive retaining screws to maintain frame earth ground contact.
Field Installation Guidelines
- Power down the node rack power supply before inserting or removing the drive assembly.
- Observe anti-static precautions and wear a grounded wrist strap when handling the unit to protect onboard controller logic from ESD damage.
- Slide the assembly along chassis guide tracks until the interface header seats completely into the backplane mating socket.
- Tighten all front panel retaining screws to secure mechanical ground continuity and prevent vibration damage during drive operation.
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
Comprehensive Guide to Instrumentation and Control (I&C) Design Basis
Instrumentation and Control (I&C) Design Basis serves as the foundational technical document for modern plant engineering. Project teams rely on this master specification to govern engineering deliverables across front-end engineering design (FEED) and detailed execution phases. A well-constructed I&C design basis ensures seamless integration among field instrumentation, safety systems, and main control systems. Furthermore, establishing clear technical standards early mitigates execution risks and prevents costly re-engineering during plant commissioning.
The Shift to Flexible IO Modules in Modern Industrial Automation
Traditional control systems rely on dedicated Input Output (IO) cards for industrial automation. Each conventional module processes a single signal type, such as Digital Input (DI), Digital Output (DO), Analog Input (AI), or Analog Output (AO). A standard 16-channel card accepts only one specific channel type across all ports. This inflexible hardware design often creates severe engineering bottlenecks during project execution. Engineers frequently must install entirely new cards to accommodate a single extra sensor. Consequently, late design changes increase control cabinet space requirements and drive up project costs.
DCS Commissioning Steps in Industrial Automation Projects
Commissioning a Distributed Control System (DCS) represents a crucial milestone when deploying modern process automation infrastructure. Field engineers must execute systematic verification steps to transition complex control hardware from static installation to dynamic plant control. Proper commissioning ensures that controllers, I/O modules, network switches, and HMI software operate in strict compliance with engineering design specifications before introducing live process fluids.