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ABB 200-ANN

The ABB 200-ANN is a Central I/O Adapter for ABB SattCon 200 / Series 200 I/O systems. Its main role is to interface the controller/CPU with the central I/O system and pass data between the CPU and connected I/O units. ABB documentation identifies the order code as 200-ANN.

Core Functions

• Connects the SattCon 200 controller to the central I/O system.
• Transfers I/O data between the CPU and I/O modules.
• Allows adjacent 200-ANN adapters to be interconnected within a central I/O configuration.
• Supports up to 8 terminal base units / I/O units per adapter.
• A central system can use up to 6 × 200-ANN adapters.

Design Features

• 2 green status LEDs: Power and Comm.
• Power is derived from the system/serial bus.
• The Comm LED indicates that the adapter has been initiated by the CPU.
• Compact DIN-rail-style industrial I/O hardware.
• Designed for ABB's older Series 200 / SattCon automation platform.

Hardware Composition / Key Specifications

The historical ABB technical documentation gives the 120 mA consumption, dimensions and 8-base-unit capacity; ABB's spare-parts documentation also lists 490176096 for the 200-ANN.

Typical Applications

The 200-ANN was used in older ABB SattCon 200 control systems where multiple Series 200 I/O modules needed to be connected directly to the central controller.

It is particularly relevant for:

• Legacy PLC control systems
• Centralized I/O cabinets
• SattCon 200 replacement projects
• Maintenance and spare-parts requirements for discontinued Satt hardware

Maintenance Considerations

When troubleshooting a 200-ANN, ABB recommends first checking the Power and Comm LEDs and ensuring that all connectors are properly inserted. If an adapter has no Power indication while downstream adapters are affected, the associated cables and adapter should be checked/replaced. Power should be switched off before replacing the unit or cable.

Overall Evaluation

ABB 200-ANN is a legacy central I/O communication/interface module rather than a conventional digital or analog I/O module. Its importance is in connecting the SattCon controller with the Series 200 central I/O architecture. Because the platform is mature/discontinued, the 200-ANN is now mainly encountered in legacy-system maintenance, replacement and retrofit applications.

Related identification:
200-ANN = Central I/O Adapter
490176096 = associated ABB part number
3BSC690119R1 = ABB part number appearing in later listings