Siemens SINAMICS DCM Manual page 518

Ramp-function generator mode of operation
= Ramp-function generator setpoint
RUT = Rampup time
IR = Initial rounding
1) Transition from ramp-down incline to ramp-up incline
2) Initial rounding makes the transition to final rounding even before the maximum ramp-down incline is reached.
3) Only the last part of final rounding is performed here due to the ramp-function generator setpoint jump.
Figure 10-63 Ramp-function generator mode of operation
SINAMICS DCM DC Converter
Operating Instructions, 02.2015, A5E34763375/RS-AA/001
= Ramp-function generator output
RDT = Ramp-down time
FR = Final rounding
ac.maher.co.ir
Descriptions of functions
10.11 Setpoint channel
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