Gilbarco LM22135 Tulip-II CPU Board Assy LE911560002

Gilbarco LM22135 Tulip-II CPU Board Assy (LE911560002)

The Gilbarco LM22135 Tulip-II CPU Board Assy (Part Number: LE911560002, Rev: 0) is a key computational core for Gilbarco Veeder-Root industrial fueling systems and commercial fluid handling automation. This central processor unit is intended for heavy, real-time data processing, managing multi-channel dispenser telemetry, intrinsically safe barrier communications, flow metre pulse compilation and secure point-of-sale protocols. The LM22135 is engineered to meet the demanding electromagnetic and thermal environments that exist in marine bunkering stations and high-volume industrial fuelling depots, offering low latency on commands and strict operational uptime.

Features

1. The high-reliability processing architecture is based on the unique Tulip-II microcontroller framework that is designed to guarantee continuous operation in mission-critical applications with low fault rate.
2. Advanced Telemetry Interface: handles high frequency signals from pulser units, secure payment terminals and electronic registers without signal loss.
3. Industrial-Grade Environmental Robustness: Constructed with premium multi-layer PCB laminates and conformal coatings to endure temperature cycling, fuel vapour and moisture.
4. Backwards Compatible Protocol Architecture: The system is designed to work with older Gilbarco communication channels, enabling modular replacement during system upgrades.
5. Precision Revision 0 Engineering: Optimum hardware traces and footprints to ensure maximum electrical stability and minimum EMI (electromagnetic interference).

System Compatibility

This CPU Board assembly is explicitly designed for integration within the following systems:

• Gilbarco Encore Series (Specific Fuel Dispenser Models utilizing Tulip-II infrastructure)
• Gilbarco Veeder-Root Commercial Fleet Fueling Controllers
• Marine Fuel Bunkering Management Systems utilizing Gilbarco loop automation
• Part Number Cross-References: LM22135, LE911560002, LE911560002-Rev0

Applications

• Marine & Offshore Bunkering: Manages custody-transfer data processing at offshore fuelling facilities and marine docks along the coast where resistance to salt-air and moisture is critical.
• Commercial Fleet Dispensing: Manages fast-fill, driver authorisation loops and volume tracking for high-volume commercial logistics facilities.
• Retail Fuel Infrastructure This is the central processing command for mid-to-high tier retail fuel dispensing machines which require constant network communication to POS mainframes.

Lead Time & Shipping Info

Dispatch Lead Time: Ex-stock items ship within 24 hours of payment clearance. For large batch or certified-reconditioned lots, lead time is 2–3 business days.

Worldwide Express Delivery: Shipped via premium couriers (DHL, FedEx, UPS) with full tracking to mitigate costly operational downtime.

Freight Collection: Customer-arranged shipping accounts are gladly accepted.

Engineer’s Insight:

When swapping out a core CPU board like the Gilbarco LM22135, field engineers frequently make the mistake of failing to isolate the system power. Because these boards interface directly with intrinsically safe barriers and fluid measurement loops, any residual capacitive charge can create a low-voltage spike capable of damaging the flash memory or logic gates on the new assembly.

Always verify that the master breaker is tagged out, use an anti-static ESD wrist strap during handling, and meticulously document your jumper settings or EEPROM chip configurations from the old board before mounting the Rev: 0 assembly.

Tips from a Marine Engineer:

• Conformal Inspection: If this unit is being installed in a marine environment or offshore bunkering terminal, inspect the enclosure seals for integrity. The LM22135 uses tough industrial grade copper traces but can be subject to localised corrosion over time from micro-condensation from sea air.
• Firmware Matching Before powering up the device, check that the subcomponent daughter boards and the software EPROMs are correct for the protocol revision required by your master station automation.