SINAMICS G120
Standard inverters 0.37 kW to 250 kW (0.5 hp to 400 hp)
CU240 Control Units
4/28
Siemens D 11.1 · 2009
4
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Technical specifications
Control Unit CU240E
6SL3244-
0BA10-0BA0
CU240S
6SL3244-
0BA20-1BA0
CU240S DP
6SL3244-
0BA20-1PA0
CU240S PN
6SL3244-
0BA20-1FA0
CU240S DP-F
6SL3244-
0BA21-1PA0
CU240S PN-F
6SL3244-
0BA21-1FA0
Electrical specifications
Operating voltage 24 V DC via the
Power Module
24 V DC via the
Power Module or
external 24 V DC
24 V DC via the
Power Module or
external 24 V DC
24 V DC via the
Power Module or
external 24 V DC
24 V DC via the
Power Module or
external
24 V DC
24 V DC via the
Power Module or
external
24 V DC
Current drain from the
24 V supply
Available soon Max. 0.5 A Max. 0.5 A Max. 0.7 A Max. 0.7 A Max. 0.7 A
Power loss (full load) <5.5W <5.5W <5.5W <13W <16W <17W
Interfaces
Digital inputs – Standard 6 9 9 9 6 6
Digital inputs – Fail-safe – – – – 2 2
Digital outputs 3 3 3 3 3 3
Analog inputs 2 2 2 2 2 2
Both analog inputs can be configured as supplementary digital inputs if an additional function is required.
Switching thresholds:
0 → 1: Rated voltage 2 V
1 → 0: Rated voltage 0.8 V
Analog inputs are protected against inputs in a voltage range of ±30 V and have a common-mode voltage in
the ±15 V range.
Analog outputs 2 2 2 2 2 2
Analog outputs have short-circuit protection, but are not isolated.
Maximum output voltage = 10 V in the current mode,
maximum output current = 20 mA in the voltage mode.
The response time should be approximately 1 ms at a load of max. 10 kΩ in the voltage mode.
Bus interface RS485/USS RS485/USS PROFIBUS DP PROFINET PROFIBUS DP,
PROFIsafe
PROFINET,
PROFIsafe
Encoder interfaces – 1 1 1 1 1
PTC/KTY interface ✓ ✓ ✓ ✓ ✓ ✓
Brake Relay interface or
Safe Brake Relay interface
(connected via Power Module)
✓ ✓ ✓ ✓ ✓ ✓
MMC memory card slot – ✓ ✓ ✓ ✓ ✓
Operator panels that can be used BOP, IOP Hand-
held (via PC
Inverter Connec-
tion Kit)
BOP, IOP Hand-
held (via PC
Inverter Connec-
tion Kit)
BOP, IOP Hand-
held (via PC
Inverter Connec-
tion Kit)
BOP, IOP Hand-
held (via PC
Inverter Connec-
tion Kit)
BOP, IOP Hand-
held (via PC
Inverter Connec-
tion Kit)
BOP, IOP Hand-
held (via PC
Inverter Connec-
tion Kit)
RS232/USS interface
(connection via PC Inverter
Connection Kit)
✓ ✓ ✓ ✓ ✓ ✓
Safety functions
Integrated safety functions acc. to
Category 3 of EN 954-1 and acc. to
SIL 2 of IEC 61508
– – – – • Safe Stop 1 (SS1)
• Safely Limited Speed (SLS)
• Safe Brake Control (SBC)
• Safe Torque Off (STO)
Open-loop/closed-loop control techniques
V/f linear/square/parameterizable ✓ ✓ ✓ ✓ ✓ ✓
V/f with flux current control (FCC) ✓ ✓ ✓ ✓ ✓ ✓
Vector control, without encoder ✓ ✓ ✓ ✓ ✓ ✓
Vector control, with encoder – ✓ ✓ ✓ ✓ ✓
Torque control, without encoder ✓ ✓ ✓ ✓ ✓ ✓
Torque control, with encoder – ✓ ✓ ✓ ✓ ✓
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