Siemens SINAMICS V90 Operating Instructions Manual page 113

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Internal position control (IPos)
SINAMICS V90, SIMOTICS S-1FL6
Operating Instructions, 09/2015, A5E36037884
When connect to axis 1, the outputs are DO a.1 and DO a.7;
When connect to axis 2, the outputs are DO a.3 and DO b.0.
The resistor R3 (200 Ohm to 500 Ohm) is required only if the speed for searching the
zero position exceeds 300 rpm.
The resistor R (200 Ohm to 500 Ohm, recommended power ≥ 5 W ) is required only if
the PTI input frequency exceeds 100 KHz.
Connecting
4.3 Control/Status interface
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