Kongsberg SCU 329785 Segment Controller Unit Rev E1
KONGSBERG
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The Kongsberg Maritime SCU Part No. 329785 is a Segment Controller Unit used as a controller and communication component within Kongsberg marine automation architectures. Kongsberg's current type-approval documentation continues to identify SCU 329785 as a Segment Controller Unit in the controller/DPU hardware of the K-Chief marine automation system. The same part number is also listed as approved SCU hardware for AutoChief 600.
The unit shown here is an original Kongsberg Maritime AS unit manufactured in Horten, Norway. Its nameplate identifies:
Manufacturer: Kongsberg Maritime AS
Equipment Name: SCU
Description: Segment Controller Unit
Part No.: 329785
Revision: E1
Serial No.: 007308
CO-No.: CO-11616
CANopen LMT: NORCTRL_SCU_0000000007308
Country / Manufacturer Location: Horten, Norway
The SCU is considerably more than a simple input module. Kongsberg's own documentation identifies 329785 specifically as the Segment Controller Unit. Its role is associated with distributed processing, system communication and control within supported Kongsberg marine automation installations.
The front of the unit provides a useful indication of its communication architecture. The photographed SCU has PWR, POWERLINK and CPU status indications, POWERLINK connections A1/A2 and B1/B2, two Ethernet interfaces marked ETH1 and ETH2, USB, and multiple CAN interfaces. This agrees with Kongsberg's official SCU datasheet, which specifies four CAN interfaces, two Ethernet interfaces and two optional POWERLINK interfaces.
For Kongsberg marine automation equipment, spare parts and technical sourcing, visit SM MARINE SERVICE™.
The SCU provides communication and processing functions between elements of the distributed marine automation architecture. Depending on the vessel and system configuration, it can participate in communication between remote I/O/DPU modules, control functions and higher-level operator or automation networks.
A particularly important documented application is the K-Chief 600 Power Management System (PMS). Kongsberg PMS documentation describes an SCU as an additional DPU used for overall switchboard management, with separation between local and global CAN communication. PMS control logic is assigned to the SCU in that documented configuration.
The same 329785 hardware is also found in official approved hardware lists for K-Chief 600 and AutoChief 600, which is valuable when engineers search for the unit by system name rather than its part number.
According to Kongsberg's official SCU datasheet, Part No. 329785 provides:
The photographed front panel additionally shows the communication identification clearly: CAN1, CAN2, ETH1, ETH2, POWERLINK, USB and X10 PWR.
This combination enables the SCU to serve as a communication and control node rather than functioning as a conventional standalone PLC I/O card.
Kongsberg's official SCU datasheet gives the following specifications for SCU Part No. 329785:
Supply Voltage: 18–32 VDC
Maximum Module Consumption: 8 W
CAN Interfaces: 4
Ethernet Interfaces: 2
POWERLINK: 2 optional interfaces
Operating Temperature: -15°C to +70°C
Storage Temperature: -25°C to +70°C
Maximum Relative Humidity: 96%, non-condensing
Ingress Protection: IP20
Environmental Compliance: IACS E10 / IEC 60945
Vibration: 4 G
Approximate Weight: 1.1 kg
Mounting: Four M5 screws in a suitable cabinet
Communication Isolation: Interfaces individually isolated.
Kongsberg's datasheet also lists marine type approvals including DNV, LRS, BV, RINA, NK, ABS, KR, RMR and CCS, and notes suitability for direct mounting on engines, compressors and similar equipment when installed in suitable cabinets.
One of the most important points for sourcing this legacy/current marine automation spare is the revision.
The photographed SM MARINE SERVICE™ unit is:
329785 – Revision E1
However, market references supplied from Google searches also identify the same 329785 part number under revisions including C1, E, G2 and G4. Your collected search material contains examples for Rev E/E1, Rev G2, Rev G4 and Rev C1.
Therefore, engineers and purchasing departments may search using phrases such as:
329785 Rev C1 / 329785 Rev E / 329785 Rev E1 / 329785 Rev G2 / 329785 Rev G4.
These revision numbers are valuable for identification and sourcing, but matching part number alone should not be treated as proof that every revision is automatically interchangeable. Before replacement, the vessel's existing SCU revision, system configuration, software/firmware requirements and Kongsberg documentation should be checked.
Kongsberg's approved K-Chief hardware documentation identifies SCU 329785 alongside a broader family of distributed processing and automation hardware. Relevant search references include RAi-16xe 329714, RDo-16xe 329699, RAo-8xe 333505, RDi-32Axe 333824, RAi-10tc 8100161, PSS 8100184, C2xe 333346, C3xe 334893, C4xe 334894, and SIUxe 350928.
Other Kongsberg propulsion/automation hardware appearing in approved system documentation includes the DGU 8100272, which is another important Kongsberg controller but performs a different function from the SCU.
These related model and part-number terms are included for Kongsberg system-family identification and spare-parts searching. They should not be interpreted as substitutes for SCU 329785.
The SCU 329785 is associated with Kongsberg distributed marine automation and has documented use within K-Chief 600. Official hardware documentation also lists the SCU in AutoChief 600 approved hardware.
Depending on the vessel's engineered configuration, applications may therefore include integrated ship automation, alarm and monitoring, distributed process control, propulsion-control architecture and power-management functions.
Kongsberg certification material also identifies Segment Controller Units as components within certain K-Gauge system configurations, further demonstrating the use of SCU architecture across Kongsberg marine systems.
An SCU fault can present as loss of communication, missing process data, CAN network problems, Ethernet/POWERLINK communication failure, CPU/status indication abnormalities, intermittent communication or complete loss of power.
When troubleshooting an SCU 329785, engineers should first verify that the supply is within the manufacturer's specified 18–32 VDC range and inspect the PWR and CPU indications. CAN, Ethernet and POWERLINK cabling, terminal connections and network status should then be checked according to the vessel's actual system drawings.
Because the SCU is part of a distributed control architecture, a communication fault elsewhere in the network can sometimes appear to be an SCU problem. CAN wiring, termination, associated DPU modules, network connections and power supply should therefore be checked before condemning the controller.
Replacement units should also be checked for Part No. 329785, revision, system application and configuration requirements before installation.
SM MARINE SERVICE™ supplies and sources Kongsberg Maritime marine automation equipment, including Segment Controller Units, Distributed Processing Units, communication modules, control modules and other ship automation spare parts.
For Kongsberg SCU 329785, customers should provide the existing unit's nameplate photo, part number, revision and—where possible—the vessel/system information when requesting a replacement. This is especially important where Rev C1, E, E1, G2 or G4 units are involved.
Depending on stock and sourcing availability, equipment can be offered in new, used, refurbished or reconditioned condition. Worldwide marine equipment sourcing and shipping support is available through SM MARINE SERVICE™ Marine Automation & Spare Parts.
Marine automation systems often remain in service for many years. A vessel may therefore continue operating reliably with a K-Chief or AutoChief generation whose individual electronics become increasingly difficult to source.
For such vessels, exact identification of Kongsberg Part No. 329785 and its revision becomes important during repair, retrofit and emergency spare-parts procurement. Replacing an automation controller based only on physical similarity can introduce compatibility or configuration problems; part number and revision should always be verified.
It is a Kongsberg Maritime Segment Controller Unit, Part No. 329785, used as controller hardware in Kongsberg distributed marine automation architectures. Kongsberg officially lists it as SCU / Segment Controller Unit.
The photographed unit is Revision E1, Serial No. 007308, with CO-No. CO-11616.
They share the 329785 SCU part-number reference in available market listings, but this does not automatically establish interchangeability. Revision and system compatibility should be checked before replacement.
Yes. Kongsberg specifies four CAN interfaces.
Yes. The official specification lists two Ethernet interfaces.
Kongsberg's datasheet specifies two optional POWERLINK interfaces.
The official Kongsberg datasheet specifies 18–32 VDC.
Yes. Current Kongsberg/approval documentation lists SCU Part No. 329785 in K-Chief marine automation hardware.
Yes. Kongsberg's approved AutoChief 600 hardware list includes SCU / SCU_TPI Part No. 329785.
SM MARINE SERVICE™ can support worldwide sourcing and supply inquiries for Kongsberg marine automation equipment. For the most accurate quotation, provide the 329785 part number, revision and existing nameplate photo.
Kongsberg Maritime SCU 329785 Segment Controller Unit Rev E1 is a marine automation controller featuring CAN, Ethernet and optional POWERLINK communication interfaces. The SCU is documented in Kongsberg K-Chief 600 and AutoChief 600 system hardware and is used within distributed ship automation architectures. SM MARINE SERVICE™ supplies Kongsberg SCU and related marine automation spare parts in new, used, refurbished and reconditioned condition, subject to availability, with worldwide shipping and technical sourcing support.
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