Position Controller - Siemens SINAMICS S120 Function Manual

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Position controller

The position controller is a PI controller. The P gain can be adapted using the product of

connector input p2537 (position controller adaptation) and parameter p2538 (Kp).

Using connector input p2541 (limit), the speed setpoint of the position controller can be

limited without precontrol. This connector input is pre-interconnected with connector output

The position controller is enabled by an AND link of the binector inputs p2549 (position

controller 1 enable) and p2550 (position controller 2 enable).

The position setpoint filter (p2533 time constant position setpoint filter) is a PT1 element, the

symmetrizing filter as dead time element (p2535 symmetrizing filter speed precontrol (dead

time) and PT1 element (p2536 symmetrizing filter speed precontrol (PT1)). The speed

precontrol p2534 (factor, speed precontrol) can be disabled via the value 0.

● Symmetrization (p2535, p2536)

● Limiting (p2540, p2541)

● Precontrol (p2534)

● Adaptation (p2537, p2538)

We only recommend that experts use the position controller functions without using the basic

Function diagrams (see SINAMICS S120/S150 List Manual)

Drive functions

Function Manual, (FH1), 01/2013, 6SL3097-4AB00-0BP3

Position control - Position controller (r0108.3 = 1)

Function modules

7.7 Closed-loop position control