Description
Rolls-Royce Marine H1127.0101
Product Introduction
When a marine automation controller reaches the end of its service life, the difficult part is rarely finding a board with the same part number. The real issue is determining whether the replacement carries the correct hardware revision, application configuration, and memory arrangement. The Rolls-Royce Marine H1127.0101 is identified as an H6045/433 MHz marine controller associated with Rolls-Royce part number 000068308. Current industrial records classify it as a marine control component used in ship automation architectures.
For maintenance teams supporting legacy vessels, the Rolls-Royce Marine H1127.0101 should be treated as an exact-match service spare rather than a generic PLC CPU. Available inventory records specifically show that memory-card configuration can differ between units, so a controller that is electrically and mechanically similar may still require application loading or configuration transfer before commissioning. This matters during DCS migration, marine automation refurbishment, and legacy controller replacement projects.
Key Technical Specifications
| Parameter | Specification |
|---|---|
| Product Model | H1127.0101 / H1127-0101 |
| Manufacturer | Rolls-Royce Marine |
| Rolls-Royce Part Number | 000068308 |
| Controller Platform | H6045 |
| Processor Identification | 433 MHz, according to matching industrial records |
| Product Type | Marine Controller Module |
| Primary Application | Marine automation and vessel control |
| System Configuration | Vessel/application dependent |
| Memory Configuration | Configuration dependent; memory-card presence must be verified |
| Communication Interfaces | Verify against actual hardware and vessel documentation |
| Firmware / PIC | Revision information must be checked against the installed controller |
| Lifecycle | Discontinued according to current industrial distributor records |
| Weight | Approximately 4.45 lb / 2.0 kg in one current product record |
| Installation | Vessel-specific control cabinet / system architecture |
| Condition | Verify actual inventory condition before purchase |
The 433 MHz H6045 identification and 000068308 part-number association are repeated across current records. More detailed claims about 24 VDC input, specific I/O counts, Ethernet/CAN interfaces, temperature range, or marine classification certificates appear in secondary listings but are not sufficiently consistent to treat as verified specifications for this exact ordering code.
Application Scenarios & Field Considerations
Legacy Ship Automation
The H1127.0101 is primarily relevant to vessels retaining older Rolls-Royce marine control architectures. It is most valuable as a maintenance spare when the installed controller can no longer be obtained through normal OEM supply channels.
Controller Replacement During Vessel Maintenance
A replacement should be compared against the removed unit before installation. Check the complete part number, revision marking, memory-card arrangement, connector population, and application configuration. A visually identical controller without the required application data may not be operationally equivalent.
H1127.0101
Marine Propulsion and Machinery Control
Secondary records associate this controller with shipboard propulsion and vessel automation applications. Because the exact control function depends on the vessel project, engineering drawings and the original system documentation should take precedence over generic catalog descriptions.
Legacy System Migration
For a marine automation modernization project, the .0101 can also appear during an interim stage where the original controller must remain operational while replacement architecture is engineered. In that situation, preserving the existing configuration is usually more important than simply matching the physical dimensions of the controller.
Related Products
- Rolls-Royce H1111.0203 — another Rolls-Royce Marine controller designation; not a direct replacement without system verification.
- Rolls-Royce CCN 01 CANMAN Controller — marine controller/network component used in related Rolls-Royce control architectures.
- Rolls-Royce RRAIO16 — marine I/O module family; function differs from the .0101 controller.
- Rolls-Royce AIU-3 — marine automation interface/controller equipment; verify architecture before considering substitution.
- H6045 Controller Platform — the platform designation associated with .0101.
- — alternate formatting of the same .0101 model designation.
These references are useful for system-level identification, but none should be treated as a drop-in substitute solely because the equipment belongs to the same marine automation family.
Engineer’s Guide — Field Pitfalls to Avoid
1. Do not confuse the part number with the application.
.0101 identifies the controller hardware, but the vessel application may reside in configuration or memory hardware. One current record specifically identifies an .0101 unit without a memory card.
2. Match the complete identification label.
Check .0101, 000068308, controller revision, and any additional configuration markings. Do not purchase solely from a photograph or a shortened model number.
3. Do not assume generic I/O specifications.
Several online records publish different voltage, I/O, and communication specifications for .0101. Those discrepancies are a procurement warning, not a reason to select whichever specification looks most convenient.
4. Preserve the original configuration.
Before removing a functioning controller, document memory-card installation, firmware/PIC information, connector positions, wiring, and system configuration. If the vessel is already out of service, photograph the controller and its cabinet connections before disassembly.
5. Verify the actual condition.
“New,” “unused,” “refurbished,” and “used” units are different procurement categories. Current inventory records show multiple condition categories for this part, so the physical condition should be confirmed rather than assumed from the model number.
6. Treat replacement claims carefully.
A newer marine controller may provide more processing capacity or different interfaces, but that does not make it a direct replacement. Migration can require application conversion, configuration changes, wiring modifications, and commissioning work.
FAQ
What is the Rolls-Royce .0101?
The .0101 is identified as a Rolls-Royce Marine controller module, associated with the H6045/433 MHz platform and Rolls-Royce part number 000068308.
Is .0101 a PLC I/O module?
It should not be classified simply as a conventional PLC digital or analog I/O card. Available records identify it as a marine controller. Its exact role depends on the Rolls-Royce vessel control architecture in which it was installed.
Does every .0101 include the same memory configuration?
Not necessarily. Current inventory information specifically identifies at least one .0101 unit without a memory card. This makes memory configuration an important purchasing checkpoint.
Is .0101 discontinued?
Current industrial distributor information lists the .0101 as discontinued by the manufacturer. That makes exact-match maintenance sourcing more important for vessels retaining the original control architecture.
Can .0101 be replaced directly by another Rolls-Royce controller?
Do not assume so. Controller revision, application software, memory configuration, connectors, and vessel-specific engineering all need to be checked. A different Rolls-Royce controller may belong to a newer or different architecture.
What should procurement verify before ordering?
At minimum, confirm the complete designation, 000068308 part number, revision markings, memory-card arrangement, connector configuration, and actual physical condition. For a running vessel, compare the spare against the removed controller and the vessel’s approved documentation before installation.
Is a used .0101 acceptable as a maintenance spare?
It can be, depending on the maintenance strategy and supplier test documentation. For a critical marine control position, request evidence of functional testing and verify configuration compatibility. The model number alone does not establish that a used unit is ready for installation.
