Kollmorgen MT1504A1-E2C1 Channel contact module

The Discrete Input Start / Unload should be toggled to start the turbine. If this input is being used as a Load / Unload contact, do not toggle this input to start the turbine. By closing this contact, will start the turbine and if this a generator application will also soft load the generator from an isolated bus. The start mode of operations determines what the actuator will do when a start condition is given. The open of valve limiter may be aborted at any time by issuing valve limiter raise or lower commands, or an emergency shutdown.

The Valve Ramp Limiter will ramp up to its maximum 

limit after the Start Command is issued. The speed reference increases to the rated speed by the programmed sequence. Once the turbine speed reaches the speed reference, the valve ramp limiter goes out of the way (100%), and the speed is controlled by the PID. The speed will continue to ramp to rated speed. Figure 4-2 is an example of an automatic start sequence. 1. Close the Run / Shutdown discrete input, toggle the Reset discrete input, and close the Start / Unload contact.

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