SIEMENS
5/31
Siemens D 31 N · March 2016
SINAMICS G120 standard inverters
0.37 kW to 250 kW (0.5 hp to 400 hp)
Control Units
5
■
Integration
Connection diagram for the CU250S-2 Control Unit series
More information about the interfaces of the Control Unit is
available on the Internet at:
ESC
OK
> 4,7 kΩ
G_D011_EN_00393a
ON
OFF
PM-IF-interface
HTL encoder
Resolver
Communication
interface
-10/0 to 10 V
0/4 to 20 mA
OFF
ON
USB interface for PC tools
DIP switch for fieldbus address
(not for PROFINET version)
DIP switch
Analog inputs
PC inverter
connection kit 2
BOP-2/IOP- interface
Digital inputs
isolated
Digital output
max. 0.5 A 30 V
HTL voltage supply
Resolver signal A (sin+)
Inverse resolver signal A (sin-)
Inverse resolver signal B (cos-)
Resolver signal S1
Resolver excitation +
Resolver excitation -
HTL track A+
HTL track B+
HTL zero signal +
HTL zero signal -
HTL track B-
HTL track A-
Reference potential
Digital output
max. 0.5 A 30 V
Digital output
max. 0.5 A 30 V
Digital inputs
isolated,
current sourcing or
current sinking
Reference potential
Reference potential
Reference potential
Reference potential
Temperature sensor
(PTC, KTY84, bimetal)
Reference potential
10 V output, referred
to GND, max. 10 mA
Analog outputs
(0 V ... 10 V,
0 mA ... 20 mA)
Analog input (-10 V ... 10 V,
0/4 mA ... 20 mA)
Analog input (-10 V ... 10 V,
0/4 mA ... 20 mA)
Voltage supply output
24 V input, optional
voltage supply
Reference potential for term. 31
Switchable digital inputs or
digital outputs not isolated
DRIVE-CLiQ socket
X100
Encoder interface
X2100
T1 MOTOR
T2 MOTOR
Memory
card
(1)
Bit 1
(64)
(16) (32)
(2)
(4)
(8)
Bit 0
Bit 3
Bit 2
Bit 5
Bit 6
Bit 4
Power Module
AI1
AI0
15
14
32
+24 V IN
GND IN
31
AI 0+
3
GND
2
AI 1+
10
AI 0-
4
DI 0
5
DI 1+
6
DI 1-
64
DI 2
7
DI 3+
8
DI 3-
65
DI 4
16
DI 5+
17
DI 5-
66
DI 6
67
DI COM 1
69
DO 1 NO
21
DO 1 COM
22
DO 0 NC
18
DO 0 NO
19
DO 0 COM
20
DO 2 NC
23
DO 2 NO
24
DO 2 COM
25
+24 V OUT
9
GND
28
DI COM3
40
DI 16
41
DI 17
42
DI 18
43
DI 19
44
GND
13
AI 1-
11
51
DI 24
DO 24
52
DI 25
DO 25
53
DI 26
DO 26
54
DI 27
12
AO 0
26
AO 1
27 GND
DO 27
50 GND
1
+10 V OUT
33
ENC+
79
GND
70
AP
S2
71
AN
S4
72
BP
S1
73
BN
S3
74
ZP
75
ZN
76
R1
77
R2
Control Unit
CU250S-2
+10 V
0 V
+
-
BOP-2
IOP
© Siemens AG 2016