Kollmorgen PE205561 Channel isolation module

The Speed Reference will increase up to the rated speed reference after the Start Command is issued. The valve reference and actuator demand are controlled by the raise / lower contact inputs. Figure 4-3 is an example of a semiautomatic start sequence. 1. Close the Run / Shutdown discrete input, toggle the Reset discrete input, and close the Start / Unload contact. 2. The speed reference ramps up to by the programmed rate to the rated speed reference.

By closing the raise speed contact

the valve ramp reference will start increasing, thus increasing the turbine speed. The operator has control over where the valve ramp reference is set at by using the raise speed and lower speed discrete inputs. This allows the operator to heat soak the turbine at different speed levels. 4. Continuing to raise the valve ramp reference will cause the speed to increase until the speed matches the speed reference. The PID controller will then take over control. The valve ramp reference will quickly ramp out of the way (100%). 5. The operator can allow control the speed of the turbine with the raise and lower speed discrete inputs.

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