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Siemens SINAMICS G120 List Manual page 750

Cu250s-2 control units
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Kl. 1
(Kl. 9)
Kl. 2
Kl. 3
Kl. 4
Kl. 10
Kl. 11
<1>
Notice:
The operating mode selector switch of the
analog input has to be set to "Voltage" (U).
The 10 V or 24 V voltage source will destroy
the analog input if the operating mode
selector switch is set to "Current input" (I).
1
2
Input/Output Terminals
Analog inputs as Digital inputs (DI 11 ... DI 12)
Current
I I
AI 0/1
U
I
<1>
Voltage
U U
+10 V OUT
(+24 V OUT)
GND
1 = Simulation on
CU DI simulation
1.6 V 4.0 V
r0721.11
AI 0+ (DI 11)
1
AI 0-
0
p0796.11
1 = Simulation on
CU DI simulation
1.6 V 4.0 V
r0721.12
AI 1+ (DI 12)
1
AI 1-
0
p0796.12
Sampling time of the DI: 4 ms
3
4
p0795
.11
CU DI t_debounce
p0724
0
T
0
&
1
p0795
.12
CU DI t_debounce
p0724
0
T
0
&
1
5
6
fp_2256_97_52.vsd
05.09.2017
CU DI status inv
r0723
1
r0723
.11
CU DI status
r0722
r0722
.11
CU DI status inv
r0723
1
r0723
.12
CU DI status
r0722
r0722
.12
7
Function diagram
G120 CU250S-2
V4.7.9
Kl. = Terminal
8
- 2256 -

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