Function diagrams
Input/Output Terminals
2-516
© Siemens AG 2011 All Rights Reserved
SINAMICS G120 / Control Units CU240B/E-2 Parameter Manual (LH11), 01/2011
Fig. 2-21 9572 – CU240E-2: Analog outputs 0 ... 1 (AO0 ... AO1)
- 9572 -
Function diagram
87654321
FP_9572_97_52.vsd
External Interfaces
G120 CU240E-2
13.12.2010 V4.4
Analog outputs 0 1 (AO0 AO1)
Kl.12
Kl.13
Kl.26
Kl.27
D
A
x
y
y
<1>
<1>
<3>
<4>
0 10 V
0 20 mA
x
1
y
2
x
2
y
1
y
x
[%]
<1>
<3>
<4>
y
x
2
x
1
[%]
2
1
x
% 100x •
%
0
1
AO0+
2
0, 1
4 mA
0
Smoothing
Scaling
Voltage output
Current
output
For p0776 = 0, 2 the units are mA.
For p0776 = 1 the units are V.
The input signals are referred to the reference quantities p2000 ... r2004 (100 % = p200x).
Possible settings p0776[0] and p0776[1]:
= 0: 0 ... +20 mA
= 1: 0 ... +10 V
= 2: 4 ... +20 mA
Reference quantities
p2000 r2004
CU AO absVal act
0 ... 1
p0775 (0)
CU AO S_src
(21[0])
p0771
CU AO T_smooth
0.0 ... 1000.0 [ms]
p0773 (0.0)
CU AO char x1
-1000.00 ... 1000.00 [%]
p0777 (0.00)
CU char x2
-1000.00 ... 1000.00 [%]
p0779 (100.00)
CU AO type
0 ... 2
p0776 (0)
CU AO U/I_outp
r0774
D
A
x
y
y
<1>
x
1
y
2
x
2
y
1
y
x
[%]
0
1
2
0, 1
4 mA
0
Smoothing
CU AO absVal act
0 ... 1
p0775 (0)
CU AO S_src
(21[0])
p0771
CU AO T_smooth
0.0 ... 1000.0 [ms]
p0773 (0.0)
CU AO char x1
-1000.00 ... 1000.00 [%]
p0777 (0.00)
CU char x2
-1000.00 ... 1000.00 [%]
p0779 (100.00)
CU AO type
0 ... 2
p0776 (0)
CU AO U/I_outp
r0774
Sampling time of the AO : 4 ms
Kl. = Terminal
0 10 V
0 20 mA
AO1+
Voltage output
Current
output
GND
GND
<1>
CU AO outp_val [%]
r0772
CU AO outp_val [%]
r0772
[0]
[0] (0)
[0] (0)
[0]
[0] (0) [0] (100)
[0] (0)
[0]
[1] (0) [1] (0)
[1]
[1] (100)
[1] (0)
[1]
[1]
[1] (0)
CU char y1
-20.000 ... 20.000 [V]
p0778[0..1] (0.000)
[0] (0)
CU char y2
-20.000 ... 20.000 [V]
p0780[0..1] (20.000)
[0] (20)
<1>
<1>
CU char y1
-20.000 ... 20.000 [V]
p0778[0..1] (0.000)
[1] (0)
CU char y2
-20.000 ... 20.000 [V]
p0780[0..1] (20.000)
[1] (20)
(27[0])
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