Siemens SINAMICS G120D Series Operating Instructions Manual page 123

Defining the analog input function
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 via its index,
e.g. parameter p0755[0] is assigned to analog input 0.
Table 7- 4
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 analog input function - 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, please see the parameter list and the function block diagrams 2251 f
of the List Manual.
Skip frequency band
Skip frequency band of the analog input
p0764[0]
p0764[1]
Using an analog input as digital input
An analog input can also be used as digital input. See also Section: Digital inputs
(Page 117).
Converter with control units CU240D-2
Operating Instructions, 04/2015, FW V4.7.3, A5E34262100B AB
Connector inputs (CI) of the inverter (selection)
Significance
Skip frequency band of the analog input AI 0 (factory setting: 0)
Skip frequency band of the analog input AI 1 (factory setting: 0)
CI Significance
p1522 Torque limit, upper
p2253 Technology controller setpoint 1
p2264 Technology controller actual value
In order to use the analog input AI 0 as the source for the
supplementary setpoint, you have to set p1075 = 755[0].
Interferences in the cable can corrupt
small signals of a few millivolts. To be
able to enter a setpoint of exactly 0 V via
an analog input, you must specify a skip
frequency band.
Advanced commissioning
7.2 Inverter control
123