Description
ABB SDCS-COM-81 Communication Module
The ABB SDCS-COM-81 is a high-performance Communication Interface Board specifically designed for use with ABB’s DCS800 and DCS500 series industrial DC drives. It serves as the primary gateway for optical and serial communication between the drive and external control systems.
Product Detailed Description
The SDCS-COM-81 is an optional plug-in board that mounts directly onto the drive’s control unit (SDCS-CON-x). It features multiple optical fiber channels, allowing for high-speed, interference-free data transmission. This board is essential when the DC drive needs to be integrated into a larger automation architecture requiring fast master-follower communication or interfacing with fieldbus adapters.
Technical Parameters
| Parameter | Specification |
| Model Number | SDCS-COM-81 |
| Compatibility | ABB DCS800 and DCS500 DC Drives |
| Communication Channels | 4 Optical Channels (CH0, CH1, CH2, CH3) |
| Channel Protocols | DDCS (Distributed Drive Communication System) |
| Data Rate | Up to 4 Mbit/s (per channel) |
| Optical Fiber Type | Plastic Optical Fiber (POF) or Hard Clad Silica (HCS) |
| Power Supply | Provided by the drive control board (+5 V) |
| Operating Temp | 0°C to +55°C |
Product Advantages
- Immunity to Noise: Utilizing fiber optic cables for communication ensures total immunity to electromagnetic interference (EMI), which is critical in high-power DC drive environments.
- High-Speed Synchronization: Enables precise Master-Follower control, allowing multiple drives to work in perfect synchronization for heavy load-sharing applications.
- Flexible Networking: Supports various topologies including point-to-point and star configurations, providing flexibility in system design.
- Comprehensive Diagnostics: Integrated with the drive’s firmware to provide real-time status updates and fault detection for the communication links.
Important Considerations & Precautions
- Fiber Optic Handling: Optical fibers are fragile. Ensure the minimum bending radius is maintained (typically 35mm) to prevent signal loss or breakage.
- Channel Configuration: Each channel has a specific purpose (e.g., CH0 for Fieldbus, CH2 for Master-Follower). Ensure cables are connected to the correct port based on your parameter settings in the DCS800.
- Static Sensitivity: The board contains CMOS components. Handle only at an ESD-protected workstation and avoid touching the connector pins.
- Cleanliness: Ensure the optical transmitters and receivers are free of dust before connecting the fiber. Use compressed air or specialized cleaners if necessary.
Product Applications
The SDCS-COM-81 is typically used in complex industrial setups:
- Metals & Mining: Coordinating multiple DC motors on rolling mills or heavy-duty conveyors.
- Cranes & Hoists: Synchronizing hoist motors to ensure balanced lifting of heavy loads.
- Pulp & Paper: Managing section drives in paper machines where precise speed and tension control are required.
- Retrofit Projects: Used to bridge modern control systems with legacy DC motors through the DCS800 drive platform.
Shipping Port: Xiamen, China
Payment: Bank of Chicago, Bank of Singapore
Express cooperation: fedex, DHL, UPS and your express account
Service: Professional Sales provides 24 hours /7 days online service
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