Siemens Sinamics S120 Function Manual page 315

Pulse number = (max. clock frequency • 60)/max. speed
Example: If the controller has a maximum clock frequency of 100 kHz and the motor being
used is to run at its maximum rated speed of 3000 rpm, the resulting pulse number will be
2000.
Wiring the SMC30 input signals
The input signals for the pulse/direction interface are wired via connector X521 of the
SMC30:
Table 6- 15 Wiring the SMC30
Pin Signal name
1 Pulse
2 M
3 Direction of rotation
4 M
5 ... 8 Not relevant
Wiring the CU310-2 input signals
The input signals for the pulse/direction interface are wired via connector X23 of the CU310-
2:
Table 6- 16 Wiring the CU310-2
Pin Signal name
1 ... 11 Not relevant
12 M
13 Direction of rotation
14 M
15 Pulse
Settings in the configuration wizard
Make the settings for the pulse/direction interface (rotary, 24 V, terminal, no track monitoring,
no zero mark, ...) in the configuration wizard of STARTER in the dialog Encoder data.
Note
The pulse/direction interface is activated using p0405.5 = 1 (e.g. via the Expert list of
STARTER).
Drive functions
Function Manual, (FH1), 01/2012, 6SL3097-4AB00-0BP2
6.24 Pulse/direction interface
Technical specifications
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Ground
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Ground
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Technical specifications
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Ground
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Ground
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Basic functions
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