The ABB SDCS-COM-81 is a fast optical DDCS communication module that is used with the AC800M protection and control system. It provides a 10 Mbit/s communication channel between the AC800M and other devices on the SDCS network.

The SDCS-COM-81 is a plug-in module that is installed in an SDCS communication slot on the AC800M. It has a single optical fiber connector that is used to connect to the SDCS network. The module is powered by the AC800M.

The SDCS-COM-81 supports a variety of communication protocols, including IEC 61850, DNP3, and Modbus. It can be used to communicate with a variety of devices, including protection relays, circuit breakers, and intelligent electronic devices (IEDs).

The SDCS-COM-81 is a reliable and robust communication module that is well-suited for use in critical applications. It is easy to install and configure, and it provides a high level of performance.

Here are some of the key features of the ABB SDCS-COM-81:

• 10 Mbit/s communication channel
• Plug-in module for the AC800M
• Single optical fiber connector
• Supports IEC 61850, DNP3, and Modbus protocols
• Can be used to communicate with a variety of devices
• Reliable and robust
• Easy to install and configure

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