Siemens SINAMICS G130 Engineering Manual page 336

SINAMICS S120
Engineering Information
Performance features of the CU320-2 Control Unit with firmware 4.3 or higher for SINAMICS S120
Characteristics
Typical application
Dynamic response
Control modes with encoder
Control modes without encoder
Asynchronous motor
(induction motor)
Synchronous motor
Torque motor
Linear motor
Permissible ratio of motor rated
current to rated current of Motor
Module
Maximum number of parallel-
connected motors per Motor
Module
Setpoint resolution
position controller
Setpoint resolution
speed / frequency
Setpoint resolution torque
Maximum output frequency
(rounded numerical values)
· For current controller clock
cycle / pulse frequency
· For current controller clock
cycle / pulse frequency
(Chassis frame sizes FX
and GX)
· For current controller clock
cycle / pulse frequency
(Chassis frame sizes HX
and JX)
Maximum field weakening
· For asynchronous motors
(induction motors)
· For synchronous motors
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Ó Siemens AG
Servo Control Vector Control
· Drives with higly · Speed controlled
dynamic motion drives with high
control speed and torque
stability in general
· Angular-locked
machanical
synchronism with
engineering systems
isochronous
PROFIBUS / PROFINET
· Particulary suitable
in conjunction with
for asynchronous
SIMOTION
motors (induction
· For use in machine
motors)
tools and clocked
production machines
Very high High
Position control / Position control /
Speed control / Speed control /
Torque control Torque control
Speed control Speed control /
Torque control
Yes Yes
Yes No
Yes Yes
Yes No
1:1 to 1:4 1.3:1 to 1:4
4 8
31 bit + sign 31 bit + sign
31 bit + sign 31 bit + sign
31 bit + sign 31 bit + sign
1
550 Hz / 650 Hz 300 Hz
with 125 ms / 4 kHz with 250 ms / 4 kHz
300 Hz 160 Hz
with 250 ms / 2 kHz with 250 ms / 2 kHz
300 Hz 100 Hz
with 250 ms / 2 kHz with 400 ms / 1.25 kHz
5 times 5 times
2 times 2 times
V/f-Control Notes
· Drives with low
Mixed operation of servo control
requirements on and vector control is not possible
on a single CU320-2.
dynamic response
and accuracy
· Multi-motor group
drives, e.g. on textile
machines with
SIEMOSYN motors
Low Highest dynamic response with
1FK7 High Dynamic synchronous
motors and servo control.
None SIMOTION D with servo control is
standard for coordinated motion
control.
All V/f control modes
With servo for asynchronous
motors (induction motors) only.
With V/f control the speed can be
kept constant by means of select-
able slip compensation.
V/f control (textiles) is recom-
Yes
mended for SIEMOSYN motors.
No
No
No
1:1 to 1:12 Maximum control quality in the
case of servo and vector control
up to 1:4. Between 1:4 and 1:8
increasing restrictions as regards
torque and rotational accuracy.
V/f Control is recommended for
< 1:8.
Unlimited in theory Motors connected in parallel must
be asynchronous (induction)
motors with identical power ratings.
With V/f control, the motors can
have different power ratings.
–
0.001 Hz
–
1
300 Hz Only with license "High output
with 250 ms / 4 kHz
frequency" on the CF card
160 Hz
Note limit voltage (2 kV) and use of
with 250 ms / 2 kHz
VPM Module with synchronous
motors.
100 Hz
with 400 ms / 1.25 kHz
4 times With servo control combined with
encoder and appropriate special
motors, field weakening up to 16
times the field-weakening threshold
speed is possible.
– These values refer to 1FT7/1FK7
synchronous motors.
Note limit voltage (kE factor) with
non-Siemens motors.