Overview
The ABB DSQC667 3HAC026840-001, also cataloged as the DSQC667 Profibus Fieldbus Interface Board, operates as a dedicated hardware component for Profibus DP data communication within ABB IRC5 robot controller systems.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | DSQC667 |
| Brand | ABB |
| Product ID / Part Number | 3HAC026840-001 |
| Component Type | Profibus Fieldbus Interface Board / PCI Communication Card |
| Compatible System | ABB IRC5 Robot Controller Series |
| Communication Protocol | Profibus DP (Decentralized Periphery) |
| Transmission Rate | Up to 12 Mbps with automatic detection |
| Interface Connector | 9-pin D-sub female Profibus connector |
| Network Function | Profibus DP Master or Slave communication |
Backplane Bus Communication and Industrial Network Integration
The ABB DSQC667 supports Profibus DP communication between the IRC5 controller and external automation devices. It exchanges cyclic and acyclic process data through the fieldbus interface, while the controller firmware manages communication parameters and network configuration.
In addition, the module follows ABB industrial controller architecture requirements and integrates with the IRC5 internal expansion interface. The Profibus connection uses a standard 9-pin D-sub interface, which allows connection to PLC systems, remote I/O stations, and field devices.
The module also supports industrial control network requirements such as deterministic communication timing and firmware flash compatibility within the ABB controller platform. Therefore, system configuration must match the installed IRC5 software version and fieldbus settings.
Frequently Asked Questions
Q: Can the ABB DSQC667 operate as both a Profibus DP Master and Slave device?
A: Yes. The DSQC667 supports Profibus DP network operation as a Master or Slave interface depending on IRC5 controller configuration and application settings.
Q: Does the DSQC667 require a dedicated communication connector?
A: Yes. The module uses a 9-pin D-sub female connector for Profibus DP network connection.
Q: Is hot-swap replacement supported for the DSQC667?
A: The DSQC667 is installed inside the IRC5 controller cabinet. Power isolation and controller shutdown procedures should be followed before module replacement because hot-swap operation is not specified.
Field Installation Guidelines
- Install the DSQC667 inside the designated ABB IRC5 controller expansion slot according to ABB hardware installation procedures.
- Verify that the controller power supply is isolated before removing or installing the communication board.
- Connect the Profibus cable to the 9-pin D-sub interface and maintain proper cable routing away from high-voltage power conductors.
- Apply correct Profibus shielding practices by connecting the cable shield according to the controller cabinet grounding requirements.
- Configure the Profibus node address, communication parameters, and controller software settings before placing the system into operation.
- Check communication status through the IRC5 controller diagnostic interface after installation.
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