Siemens sinamics G120 Operating Instructions Manual page 159

Low voltage inverters chassis devices with cu250s-2 control units and encoder evaluation
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Procedure
Defining the function of an analog input
You define the analog input function by interconnecting a connector input of your choice with
parameter p0755. Parameter p0755 is assigned to the particular analog input based on its
index, e.g. parameter p0755[0] is assigned to analog input 0.
Table 6- 3
CI
p1070 Main setpoint
p1075 Supplementary setpoint
p1503 Torque setpoint
p1511 Supplementary torque 1
A complete list of the connector inputs is provided in the List Manual.
Defining the function of an analog input - example
Advanced settings
Signal smoothing
When required, you can smooth the signal, which you read-in via an analog input, using
parameter p0753.
For more information, see the parameter list and in the function block diagrams 9566 ff of the
List Manual.
Converter with CU250S-2 Control Unit
Operating Instructions, 01/2016, FW V4.7 SP6, A5E31759476B AE
Connector inputs (CI) of the inverter (selection)
Significance
To enter a supplementary setpoint via analog input AI 0, you
must interconnect AI 0 with the signal source for the supplemen-
tary setpoint:
Set p1075 = 755[0].
Set the following parameters to set the analog input as
current input with monitoring:
1. Set p0756[0] = 3
This means that you define analog input 0 as current
input with wire breakage monitoring.
2. Set p0757[0] = 6.0 (x1)
3. Set p0758[0] = -100.0 (y1)
4. Set p0759[0] = 12.0 (x2)
5. Set p0760[0] = 100.0 (y2)
CI
Significance
p1522 Torque limit, upper
p2253 Technology controller setpoint 1
p2264 Technology controller actual value
Advanced commissioning
6.2 Inverter control
159

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