Description
Product Overview
The ABB CCC30-2-P 3BDH000549R2 is a coupling module used in legacy ABB H&B industrial control-system environments. Its role is associated with control-network coupling rather than ordinary field signal acquisition, so its suitability depends on the communication architecture and hardware configuration of the installed system. The catalog identifies the product within the ABB H&B Melody/Contronic S family and describes it as a coupling module with software version 4.0. The detailed catalog description also references software versions 4.00 and 5.00, Cnet(C)/Cnet(SC) communication, and a redundant arrangement.
When sourcing an ABB CCC30-2-P 3BDH000549R2 for maintenance or system restoration, the primary concern is compatibility with the existing controller and network—not simply whether the replacement fits physically. Confirm the complete type designation, installed software revision, supported network variant, and whether the application uses a redundant coupling arrangement. A module with a similar name may belong to a different configuration or revision, and an unverified substitution can create commissioning delays or communication faults. The catalog description indicates that a battery is included, but the actual delivered unit should be checked to establish whether the battery is present, serviceable, and appropriate for the intended installation.
For planned maintenance, record the existing module’s label information and system configuration before ordering. If the replacement is used or refurbished, request clear photographs of the label and connectors, confirmation of the software version where available, and the results of functional testing. Do not assume that a seller’s “in stock” or “new” designation proves operational condition. For a legacy control system, traceable identification and a documented compatibility check are more useful than an unsupported claim of universal interchangeability.
Product Introduction
The CCC30-2-P is a legacy ABB coupling module intended for compatible Melody/Contronic S control-system applications. Its catalog description references redundant Cnet(C)/Cnet(SC) communication and software versions 4.00/5.00.
For maintenance teams, the practical priority is confirming the network configuration and software revision before replacing the module. Verify the exact part number, battery inclusion, and condition of the supplied unit before scheduling a shutdown or commissioning activity.
Key Technical Specifications
| Parameter | Specification |
|---|---|
| Product model | CCC30-2-P |
| Manufacturer | ABB |
| Order number | 3BDH000549R2 |
| ABB type designation | 3BDH000549 |
| Product category | Coupling module |
| Product family | H&B Melody / Contronic S |
| Catalog software designation | Version 4.0 |
| Detailed software reference | 4.00 / 5.00 |
| Communication reference | Cnet(C) / Cnet(SC) |
| Redundancy | Redundant configuration referenced in catalog description |
| Battery | Included according to catalog description |
| Working voltage | Not verified from the available catalog references |
| Connector type | Confirm against the installed module and technical documentation |
| Operating temperature | Not verified |
| Installation method | Confirm against the applicable rack/system documentation |
| Protection rating | Not verified |
Procurement note: Do not use unverified voltage, temperature, connector, or protection-rating values for installation planning. Confirm these against the applicable ABB documentation for the exact hardware revision.

CCC30-2-P 3BDH000549R2
Related Products and Compatibility Checks
These are relevant comparison points for system identification, not confirmed direct replacements.
- ABB CCC30-2-P — 3BDH000549R2: The target coupling module; verify the installed software and network configuration.
- ABB CCR70-P — 3BDH000512R1: Listed as a repeater module in a related product reference. A repeater and a coupling module have different roles, so do not assume interchangeability.
- ABB Melody / Contronic S system components: Confirm the exact installed platform and system documentation before selecting associated hardware.
- Cnet(C) / Cnet(SC) network components: Match the network variant and redundancy arrangement to the existing installation.
- Associated controller and communication hardware: Check system-level compatibility rather than relying on the shared ABB brand alone.
Frequently Asked Questions
Q1. What is the ABB CCC30-2-P 3BDH000549R2?
It is an ABB coupling module associated with the H&B Melody/Contronic S control-system family. Catalog descriptions reference software version 4.0 and Cnet(C)/Cnet(SC) redundant communication.
Q2. Which software version does it support?
The catalog designation identifies software version 4.0, while the detailed description references versions 4.00 and 5.00. Confirm the version required by the installed system before ordering.
Q3. Is it compatible with every ABB DCS or PLC?
No. The ABB manufacturer name alone does not establish compatibility. Confirm the target system family, network configuration, module revision, and relevant engineering documentation.
Q4. Can it replace another CCC-series coupling module?
Not automatically. Compare the complete order number, hardware revision, software requirements, communication variant, and redundancy configuration. Obtain written confirmation if the proposed substitute has a different part number.
Q5. Is the battery included?
The catalog description says the delivery includes a battery. Verify that the specific unit being supplied actually includes one and establish its service condition.
Q6. Is a used or refurbished unit suitable for plant maintenance?
Potentially, provided its identity and condition are documented. Request label photographs, inspection results, functional-test evidence, and details of any repair or refurbishment. A visual inspection alone does not establish correct network operation.
Q7. What should be checked before ordering?
Confirm the complete part number 3BDH000549R2, the installed module’s software revision, Cnet network variant, redundancy arrangement, connector details, battery status, and the supplier’s tested condition and warranty terms. These checks help reduce the risk of receiving a physically similar but unsuitable spare.
