Siemens SINAMICS CU240S DP-F Operating Instructions Manual page 73

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Analog outputs
Parameter
Description
P0771 = 21
CI: Analog output
Defines the function of the 0 mA ... 20 mA analog output
21: CO: actual frequency (default; scaled according to P2000)
24: CO: actual output frequency (scaled according to P2000)
25: CO: actual output voltage (scaled according to P2001)
26: CO: actual DC-link voltage (scaled according to P2001)
27: CO: Output current (scaled according to P2002)
NOTE: The following applies for P0771 ... P0785:
Index 0: analog output 0 (AO0), terminals 12 and 13
Index 1: analog output 1 (AO1), terminals 26 and 27
P0775 = 0
Permit absolute value
Decides if the absolute value of the analog output is used.
If enabled, this parameter will take the absolute value of the value to be outputed.
If the value was originally negative then the corresponding bit in r0785 is set.
P0776 = 0
Type of analog output
Scaling of r0774.
0: Current output (default)
1: Voltage output
NOTE: P0776 changes over the scaling of r0774 (0 mA ... 20 mA ⇔ 0 V ... 10 V).
Scaling parameters P0778, P0780 and the deadband are always entered in 0 mA ... 20 mA.
Analog output 0 can be switched to a voltage output with a range 0 ... 10 V.
Analog output 1 is only a current output. When it is used as voltage output, it must be
terminated using a 500 Ω resistor.
P0777 = 0.0
Value x1 of the analog output scaling
Defines x1 output characteristic in percentage. This parameter represents the lowest analog
value as a percentage of P200x (depending on the setting of P0771).
P0778 = 0
Value y1 of the analog output scaling
This parameter represents the value of x1 in mA.
P0779 = 100
Value x2 of the analog output scaling
This defines x2 of the output characteristic in percentage.
This parameter represents the highest analog value as a
percentage of P200x (depending on the setting of P0771).
P0780 = 20
Value y2 of the analog output scaling
This parameter represents the value of x2 in mA.
P0781 = 0
Width of analog output deadband
This sets the width of the deadband in mA for the analog
output.
Control Units CU240S
Operating Instructions, 07/2008 - FW 3.2, A5E00766042B AD
Commissioning
5.5 Commissioning using the BOP
Setting
73

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