Extended Setpoint Channel - Siemens SINAMICS S120 Function Manual

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Extended setpoint channel

In servo control, the extended setpoint channel is deactivated through the factory setting. If
an extended setpoint channel is required, it has to be activated. The extended setpoint
channel is always activated in vector control.
Properties of servo control without the "extended setpoint channel" function module
● The setpoint is directly interconnected to p1155[D] (e.g. from a higher-level controller or
● Dynamic Servo Control (DSC) only
● Deceleration ramp OFF1 via p1121[D]
● Deceleration ramp OFF3 via p1135[D]
● For PROFIdrive telegrams 2 to 103 and 999 only (free assignment)
● STW 1 bit 5 (freeze ramp-function generator), no function
Drive functions
Function Manual, (FH1), 01/2013, 6SL3097-4AB00-0BP3
technology controller)
When using DSC, the "extended setpoint channel" is not used. This unnecessarily uses
the computation time of the Control Unit and, for servo control, can be deactivated.
The deceleration ramp in p1121 is also effective when the "Extended setpoint channel" is
deactivated.
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