Kollmorgen TTB-2953-DC Redundant module

The speed PID’s reference may be adjusted from the external contacts or Modbus commands. The speed reference moves in the range of minimum governor speed to maximum governor speed. If the application is power generation and the generator is in Droop against a utility bus, Raise / Lower contacts will raise and lower the load setting. If Process Control is selected, the Raise / Lower contacts will raise and lower the process setpoint.

Remote Speed Control 

Closing both the Raise and Lower speed discrete inputs will put the control into Remote Speed control. The speed setpoint can be positioned remotely through an analog signal by the configured Remote Speed Input or through a Modbus directly entered value. This allows the Speed setpoint to be set remotely by a process control or distributed plant control system.

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