Description
Rolls-Royce Marine H1127-0101
Product Introduction
A legacy marine controller is not something to replace by matching dimensions and connector count alone. The Rolls-Royce Marine H1127-0101 is identified as a marine controller associated with RR Part 000068308 and the H6045/433 MHz platform. Several matching records identify Rev. 2.2, giving maintenance engineers useful identifiers when screening older vessel spares.
The important procurement issue is configuration. The Rolls-Royce Marine H1127-0101 has been documented both with and without a memory card, while detailed interface and electrical specifications vary between secondary listings. A replacement should therefore be evaluated as an exact marine-control-system spare, with the installed memory, firmware/PIC information, hardware revision, and vessel application checked before commissioning.
Key Technical Specifications
| Parameter | Specification |
|---|---|
| Product Model | H1127-0101 |
| Alternate Model Format | H1127.0101 |
| Manufacturer | Rolls-Royce Marine |
| RR Part Number | 000068308 |
| Product Type | Marine Controller |
| Controller Platform | H6045 |
| Frequency Identification | 433 MHz |
| Revision | Rev. 2.2 reported by matching inventory records |
| Typical System | Rolls-Royce Marine vessel automation |
| Memory Card | Configuration-dependent; some units supplied without memory card |
| Communication Interfaces | Verify from actual controller and vessel documentation |
| Firmware / PIC | Verify against installed controller |
| Installation | Vessel-specific marine control cabinet/system |
| Lifecycle | Discontinued according to current industrial records |
| Reported Weight | Approximately 2.01 kg in matching inventory records |
| Condition | Verify actual physical and functional condition |
The H6045/433 MHz, 000068308, and Rev. 2.2 identifiers provide the most useful cross-check when sourcing this controller.
I would not use reseller-published figures such as 24 VDC, specific digital/analog I/O counts, NMEA interfaces, or fixed environmental ratings as engineering specifications for every H1127-0101. Those claims are inconsistent across available records. For a vessel-critical replacement, the original Rolls-Royce documentation and the actual controller nameplate should take precedence.
Application Scenarios & Field Considerations
Legacy Vessel Automation
The -0101 is primarily relevant to vessels retaining older Rolls-Royce marine automation equipment. Its value is usually as a maintenance spare for an existing control architecture rather than as a new general-purpose PLC controller.
H1127-0101
Propulsion and Machinery Control
Marine spare-parts records associate with vessel control applications. The exact control function depends on the original vessel project, application software, connected I/O, and network architecture.
Controller Replacement
When an insta fails, procurement should first compare the removed unit against the proposed spare. Confirm 000068308, H6045/433 MHz identification, revision, connector population, memory-card arrangement, and firmware information.
Vessel Automation Migration
During a control-system modernization may remain in service while the replacement system is engineered. Preserve the existing application configuration and memory hardware before removing the original controller. A physically compatible spare is not automatically a configured replacement.
Related Products
- — alternate punctuation of the designation.
- H6045 — controller platform associated .
- H1111.0203 — another Rolls-Royce Marine controller associated with the H6036 / 1.0 GHz platform; not a direct substitute.
- RRAIO16 — Rolls-Royce Marine I/O equipment serving a different system role.
- RRRLY8 — Rolls-Royce Marine I/O/alarm module family; not a replacement for controller.
Related hardware should be treated as an architecture reference only. A different controller or I/O assembly should not be approved as a drop-in replacement without vessel-specific compatibility verification.
Engineer’s Guide — Field Pitfalls to Avoid
1. Do Not Con With H1111.0203
Both are Rolls-Royce Marine controllers, but their hardware identifiers dif is associated with H6045/433 MHz, while H1111.0203 is associated with a different H6036 platform. Similar application descriptions do not establish interchangeability.
2. Verify the Memory Card
This is one of the most important procurement checks. A matc has been explicitly documented as being supplied without a memory card. Do not assume the controller includes the vessel application simply because the main controller part number matches.
3. Check the Revision
Rev. 2.2 is repeatedly associated with this part in current inventory records. Record the complete revision information from the installed unit before ordering.
4. Inspect Connector Population
Do not rely on a generic listing claiming CAN, RS-232, USB, LAN, video, or other interfaces. One marine inventory source does show multiple interface types, but interface population should still be confirmed from the actual unit and vessel drawings.
5. Do Not Use Unverified Electrical Data for Design
Several reseller pages publish incompatible power and I/O specifications. That is a clear indication that those figures should not be copied into an engineering specification without primary documentation.
6. Preserve the Original Controller
For a vessel already in operation, retain the failed controller until the replacement has been identified, configured, and functionally accepted. The old unit may contain application-specific information that is not available from the bare hardware.
7. Verify Actual Condition
“New,” “used,” “refurbished,” and “without memory card” describe materially different procurement situations. Current records units in different configurations and conditions, so the physical item offered should be inspected rather than relying on the model number alone.
FAQ
What is Rolls-R?
, also written , is identified as a Rolls-Royce Marine controller associated with RR Part 000068308 and the platform.
the same a27.0101?
Yes. The hyphen and period are alternate ways of formatting the same model designation in available records: H1127.0101.
What is the RR Part Number?
The matching records identify 000068308 as the Rolls-Royce part number.
discontinued?
Current industrial distributor records identify the .0101 as discontinued by the manufacturer. This makes revision and configuration matching particularly important for legacy-vessel maintenance.
include a memory card?
Not necessarily. A matching .0101 inventory unit is specifically documented as without a memory card. Memory-card inclusion should therefore be stated separately on the purchase order.
What revision should be checked?
Rev. 2.2 is repeatedly reported / 000068308 inventory. The physical controller should still be checked because revision and configuration are important for marine-system compatibility.
be directly replaced by H1111.0203?
Do not assume that it can. H1111.0203 is associated with a different controller platform, so replacement requires confirmation of hardware, firmware, memory, interfaces, and vessel application compatibility.
What should procurement verify before ordering?
Confirm the complete designation, 000068308 part number, identification, revision, memory-card status, connector configuration, firmware/PIC information, and actual physical condition. For a critical vessel system, functional testing should also be documented before installation.
