SINAMICS G120
Inverter chassis units 0.37 kW to 132 kW (0.5 hp to 200 hp)
CU240 Control Units
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Siemens D 11.1 · 2008
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Design (continued)
CU240S, CU240S DP, CU240S DP-F, CU240S PN and CU240S
PN-F Control Units
Example: CU240S DP-F Control Unit
(right without terminal cover, with plug-in terminals)
Terminal No. Signal Features
Digital inputs (DI) – standard
5 … 8,
16, 17
DI0 … DI5 Freely programmable (isolated)
5.5 mA/24 V
40 … 42
(with CU240S,
CU240S DP,
and
CU240S PN
only)
DI6 … DI8 Freely programmable (isolated)
5.5 mA/24 V
Digital inputs (DI) – Fail-safe (for CU240S DP-F and
CU240S PN-F only)
60 … 63
(with
CU240S DP-F
and
CU240S PN-F
only)
FDI0A
FDI0B
FDI1A
FDI1B
Fail-safe digital inputs, 2 channels
(redundant),
freely programmable (isolated) 5.5 mA /
24 V
Digital outputs (DO)
18 DO0, NC Relay output 1
NC contact (0.5 A, 30 V DC)
19
DO0, NO Relay output 1
NO contact (0.5 A, 30 V DC)
20
DO0, COM Relay output 1
Common contact (0.5 A, 30 V DC)
21
DO1, NO Relay output 2
NO contact (0.5 A, 30 V DC)
22
DO1, COM Relay output 2
Common contact (0.5 A, 30 V DC)
23
DO2, NC Relay output 3
NC contact (0.5 A, 30 V DC)
24
DO2, NO Relay output 3
NO contact (0.5 A, 30 V DC)
25
DO2, COM Relay output 3
Common contact (0.5 A, 30 V DC)
Analog inputs (AI)
3 AI0+ 0 … 10 V, –10 … +10 V, 0/2 … 10 V or
0/4 … 20 mA
4
AI0–
10
AI1+ 0 … 10 V, 0 … 20 mA
11
AI1–
Analog outputs (AO)
12 AO0+ Freely programmable (0/4 ... 20 mA with
max. 500 , 0/2 ... 10 V with min. 500 )
13
AO0– M (GND)
26
AO1+ Freely programmable (0/4 ... 20 mA with
max. 500 )
27
AO1– M (GND)
Encoder interface
70 ENC AP Encoder AP – channel A non-negating
input
71
ENC AN Encoder AN – channel A negating input
72
ENC BP Encoder BP – channel B non-negating
input
73
ENC BN Encoder BN – channel B negating input
74
ENC ZP Encoder ZP – zero pulse non-negating
input
75
ENC ZN Encoder ZN – zero pulse negating input
PTC/KTY interface
14 PTC+ Positive PTC/KTY input
15
PTC– Negative PTC/KTY input
Power supply
33 ENC+
supply
Isolated encoder power supply (+24 V
with 100 mA, +5 V with 300 mA),
configured via DIP switches
9
U 24 V Isolated user power supply +24 V with
100 mA
28
U 0 V Isolated encoder power supply and user
reference voltage
1
+10 V Non-isolated, stabilized 10 V power
supply for I/O – max. 10 mA
2
0 V Power supply reference
31
+24 V 24 V power supply input
32
0 V 24 V power supply reference
Terminal No. Signal Features
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