Off3 Torque Limits - Siemens Sinamics S110 Function Manual

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Drive functions

7.2 Basic functions

OFF3 torque limits

If the torque limits are externally specified (e.g. tension controller), then the drive can only be

stopped with a reduced torque.

In order to avoid this, there is a binector input (p1551), that for a LOW signal, activates the

torque limits p1520 and p1521. This means that the drive can brake with the maximum

torque by interconnecting the signal OFF 3 (r0899.5) to this binector.

Function diagrams (see SINAMICS S110 List Manual)

● 5620 Motor/generator torque limits

● 5630 Upper/lower torque limit

Overview of important parameters (see SINAMICS S110 List Manual)

● p1520 Torque limit, upper/motoring

● p1521 Torque limit, lower/regenerative

Torque limits OFF3

Function Manual, 01/2011, 6SL3097-4AB10-0BP3

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