SIEMENS
5/23
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
■
Design
CU240E-2, CU240E-2 DP, CU240E-2 PN, CU240E-2 F,
CU240E-2 DP-F and CU240E-2 PN-F Control Units
CU240E-2 Control Unit with open and closed terminal covers
Terminal
No.
Signal
Features
Digital inputs (DI) – Standard
5 ... 8,
16.17
DI0 ... DI5
Freely programmable (isolated) 5.5 mA/24 V
69
DI COM1
Reference potential for digital inputs
0, 2, 4, 6
34
DI COM2
Reference potential for digital inputs
1, 3, 5, 7
Digital inputs (DI) – Fail-safe
(formed from two standard inputs using the appropriate parameter setting)
16, 17
F-DI0
Fail-safe digital inputs, 2 channels (redundant),
freely programmable (isolated) 5.5 mA/24 V
The following are only available for CU240E-2 F, CU240E-2 DP-F and
CU240E-2 PN-F
5, 6
F-DI0
Fail-safe digital inputs, 2 channels (redundant),
freely programmable (isolated) 5.5 mA/24 V
7, 8
F-DI1
Fail-safe digital inputs, 2 channels (redundant),
freely programmable (isolated) 5.5 mA/24 V
16, 17
F-DI2
Fail-safe digital inputs, 2 channels (redundant),
freely programmable (isolated) 5.5 mA/24 V
Digital outputs (DO)
18
DO0, NC
Relay output DO0
NC contact (0.5 A, 30 V DC)
19
DO0, NO
Relay output DO0
NO contact (0.5 A, 30 V DC)
20
DO0, COM
Relay output DO0
Common contact (0.5 A, 30 V DC)
21
DO1+
Transistor output DO1
Positive (0.5 A, 30 V DC)
22
DO1-
Transistor output DO1
Negative (0.5 A, 30 V DC)
23
DO2, NC
Relay output DO2
NC contact (0.5 A, 30 V DC)
24
DO2, NO
Relay output DO2
NO contact (0.5 A, 30 V DC)
25
DO2, COM
Relay output DO2
Common contact (0.5 A, 30 V DC)
Analog inputs (AI)
3
AI0+
Differential input, switchable between current,
voltage
Value range: 0 ... 10 V, -10 ... +10 V,
0/2 ... 10 V, 0/4 ... 20 mA
4
AI0-
10
AI1+
Differential input, switchable between current,
voltage
Value range: 0 ... 10 V, -10 ... +10 V,
0/2 ... 10 V, 0/4 ... 20 mA
11
AI1-
Analog outputs (AO)
12
AO0+
Non-isolated output
Freely programmable
Value range: 0 ... 10 V; 0/4 ... 20 mA
13
GND
Reference potential of the AO0/
internal electronics ground
26
AO1+
Non-isolated output
Freely programmable
Value range: 0 ... 10 V; 0/4 ... 20 mA
27
GND
Reference potential of the AO1/
internal electronics ground
PTC/KTY interface
14
T1 MOTOR
Positive input for motor temperature sensor
Type: PTC, KTY, bimetal
15
T2 MOTOR
Negative input for motor temperature sensor
Power supply
9
+24 V OUT
Power supply output
24 V DC, max. 100 mA
28
GND
Reference potential of the power supply/
internal electronics ground
1
+10 V OUT
Power supply output
10 V DC ±0.5 V, max. 10 mA
2
GND
Reference potential of the power supply/
internal electronics ground
31
+24 V IN
Power supply input
20.4 ... 28.8 V DC, max. 1500 mA
32
GND IN
Reference potential of the power supply input
Terminal
No.
Signal
Features
© Siemens AG 2016