Siemens SINAMICS G120 Operating Instructions Manual page 185

Low voltage converters chassis devices with cu240b-2 and cu240e-2
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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 6-5
CI
p1070 Main setpoint
p1075 Supplementary setpoint
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.
You can find more information in the parameter list and in function diagram 2251 of the List
Manual.
Converter with the CU240B-2 and CU240E-2 Control Units
Operating Instructions, 01/2017, FW V4.7 SP6, A5E34259001B AD
Frequently used connector inputs (CI) of the inverter
Significance
Overview of the manuals (Page 504)
Overview of the manuals (Page 504)
6.3 Adapt the default setting of the terminal strip
Set the following parameters to set the analog input as cur‐
rent input with monitoring:
1. set p0756[0] = 3
You have defined analog input 0 as current input with wire
break 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)
6. Set p0761[0] = 6
An input current < 6 mA results in fault F03505.
CI
Significance
p2253 Technology controller setpoint 1
p2264 Technology controller actual value
In order to enter the supplementary setpoint via analog input
AI 0, you must interconnect AI 0 with the signal source for the
supplementary setpoint.
Set p1075 = 755[0].
Advanced commissioning
185

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