Siemens SINAMICS G120 CU240E-2 - Page 101

Configuring the terminal block
5.5 Analog outputs
Inverter with CU240B-2 and CU240E-2 Control Units
Operating Instructions, 07/2010, FW 4.3.2, A5E02299792B AA
101
Analog output as voltage or current output
Use parameter p0776 to define whether the analog output will be used as a voltage output
(10 V) or a current output (20 mA).
The following options are available:
AO 0 Current output (factory setting)
Voltage output
Current output
0 mA … +20 mA
0 V … +10 V
+4 mA … +20 mA
p0776[0] = 0
1
2
AO 1 Current output (factory setting)
Voltage output
Current output
0 mA … +20 mA
0 V … +10 V
+4 mA … +20 mA
p0776[1] = 0
1
2
Scaling characteristic of the analog output
The scaling characteristic of an analog output is defined using 2 points.
If you change the value of p0776, the inverter automatically assigns appropriate values to
the four parameters of the scaling characteristic (p0777, p0778, p0779, p0780).
Table 5- 11 Scaling characteristic
Parameter
p07xx[0]: AO 0
p07xx[1]: AO 1
Description
p0777[x] X coordinate of the 1st characteristic point [% of P200x]
P200x are the parameters of the reference variables, e.g. P2000 is the reference
speed.
p0778[x] Y coordinate of the 1st characteristic point [V or mA]
p0779[x] X coordinate of the 2nd characteristic point [% of P200x]
p0780[x] Y coordinate of the 2nd characteristic point [V or mA]
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Figure 5-2 Examples for scaling characteristics