Basic functions
7.24 Terminal Module 41
Drive functions
400 Function Manual, 11/2017, 6SL3097-4AB00-0BP5
● The runtime of the encoder actual position value up to the pulse encoder emulation can
be compensated using the deadtime compensation with p4421.
● The pulse number ratio between the encoder to be emulated and the emulating TM41
can be set as required. For each encoder revolution, in the encoder emulation, more or
fewer pulses are output than were read-in from the original encoder.
● If p4422 = 1, input signal p4420 is inverted.
● Only one Encoder Data Set (EDS) can be interconnected to precisely one TM41.
● When the same EDS is interconnected to an additional TM41, only the actual position
value can be emulated – but not the zero mark position.
● Using p4401.1 = 1, the zero position is synchronized with the zero mark of the absolute
encoder. If you have to remain compatible with older firmware versions, for example for
use in an existing control system, set parameter p4401.1 = 0.
– p4401.1 = 0: No synchronous zero marks
– p4401.1 = 1: Zero mark synchronization enabled
– As soon as the absolute encoder passes the zero position of the absolute position,
then the zero pulse is output via X520.
● PROFIdrive telegram 3
Figure 7-19 Incremental encoder emulation
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