Control Units CU240S
Operating Instructions, 11/2006, A5E00766042B AA
9-1
Technical data
9
9.1 CU240S Performance ratings
SINAMICS G120 Control Unit 240 (CU240)
Table 9-1 CU240 Performance ratings
Feature Specification
Operating voltage 24 V DC from Power Module or External 24 V DC (20.4 V … 28.8 V,
0.5 A) supply using the control terminals 31 and 32
Control method
(CU type dependent)
V/f control, output frequency between 0 Hz and 650 Hz:
Linear V/f control, Linear V/f control with FCC, Parabolic V/f control, Multi-
point V/f control, V/f control for textile applications, V/f control with FCC
for textile applications, V/f control with independent voltage setpoint,
Vector control, output frequency between 0 Hz and 200 Hz: Sensorless
Vector Control, Sensorless Vector Torque Control, Speed control with
Encoder feedback, Torque control with Encoder feedback.
PFH (only CU240S DP-
F)
PFH (probabillity of failures per hour) value = 1 * 10-7
Fixed frequencies 16 programmable
Skip frequencies 4 programmable
Setpoint resolution 0.01 Hz digital; 0.01 Hz serial; 10 bit analog
(motor potentiometer 0.1 Hz [0.1 % in PID mode])
Digital inputs
(CU type dependent)
Up to 9 programmable digital inputs, isolated; PNP, SIMATIC-compatible,
low < 5 V, high > 10 V, maximum input voltage 30 V
Analog inputs
(CU type dependent)
Up to 2 programmable, both can be configured as additional digital inputs.
0 V … 10 V, 0 mA … 20 mA and -10 V … +10 V (AI0)
0 V … 10 V and 0 mA … 20 mA (AI1)
Relay outputs 3 programmable, 30 V DC / 0 A …0.5 A (resistive)
Analog outputs 2 programmable
AO0: 0 V … 10 V & 0 mA … 20 mA, AO1: 0 mA … 20 mA
Dimensions (BxHxD) 73 mm x 178 mm x 55 mm
Weight 0.52 kg
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