SINAMICS G120 - Page 21

SINAMICS G120
Standard inverters 0.37 kW to 250 kW (0.5 hp to 400 hp)
CU240 Control Units
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Siemens D 11.1 · 2009
4
■ Design
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
pluggable 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
(only for
CU240S,
CU240S DP
and
CU240S PN)
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
(for
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)
Terminal No. Signal Features
Analog inputs (AI)
3 AI0+ 0…10V, –10…+10V, 0/2…10V or
0/4 … 20 mA
4 AI0-
10 AI1+ 0…10V, 0…20mA
11 AI1-
Analog outputs (AO)
12 AO0+ Freely programmable
(0/4 … 20 mA with max. 500 Ω,
0/2 … 10 V with min. 500 Ω)
13 AO0- M
26 AO1+ Freely programmable
(0/4 … 20 mA with max. 500 Ω)
27 AO1- M
Encoder interface
70 ENC AP Encoder AP
Channel A non-inverting input
71 ENC AN Encoder AN
Channel A inverting input
72 ENC BP Encoder BP
Channel B non-inverting input
73 ENC BN Encoder BN
Channel B inverting input
74 ENC ZP Encoder ZP
Zero pulse non-inverting input
75 ENC ZN Encoder ZN
Zero pulse inverting input
PTC/KTY interface
14 PTC+ Positive PTC/KTY input
15 PTC- Negative PTC/KTY input
Power supply
33 ENC+
line supply
Isolated encoder power supply
(+24 V at 100 mA, +5 V at 300 mA),
configured using DIP switch
9
U24V Isolated user power supply
+24 V at 100 mA
28
U0V Isolated encoder power supply
and user reference voltage
1 +10 V Non-isolated, regulated
10 V power supply for I/O –
max. 10 mA
2 0V Power supply reference
31 +24 V 24 V power supply input
32 0V 24 V power supply reference
© Siemens AG 2009