UNITROL 1010 3BHE035301R1002 UNS0121A-Z,V1 ABB Brushless excitation system module

UNITROL 1010 3BHE035301R1002 UNS0121A-Z,V1 ABB Brushless excitation system module

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Physical I/O for Operator and Maintenance Personnel Interaction

The SM810/SM811 module in the AC 800M HI Processor Unit provides digital

inputs and digital outputs intended for connection to panels for operators and

maintenance personnel.

• Digital Inputs

– Reset all Forces (I1)

– Access Enable (I2)

– Hot Insert (I3) (only on SM811)

• Digital Outputs

– Any Force Active (O1)

– System Alarm (O2)

For connection details, refer to the user manual AC 800M Controller Hardware,

3BSE036351* page 38.

The Access Enable input needs to be active to allow download to the AC 800M HI.

Also write operations to variables configured as “confirm and access enable” are

restricted by this input.1