Siemens 3RW44 User Manual

PROFIBUS DP communication module
9.6 PROFIBUS DP commissioning using the GSD file in STEP 7 (example)
3RW44 soft starters
Manual, 03/2017, NEB535219502000/RS-AB/008
167
The following table shows which parameters are mutually dependent and how they must be
set:
Table 9- 4 Interdependent parameter settings
Parameters
Settings
Rated operational current I
e
Depends on Tripping class CLASS (refer to chapter Technical
data of the power unit (Page 259))
Upper current limit Greater than Lower current limit, chapter Specifying current limit
values (Page 88)
Maximum starting time Greater than Starting time, chapter Specifying the startup mode
(Page 63)
Limiting torque Greater than Starting torque, chapter Specifying the startup
mode (Page 63), torque control and torque control
with current limiting.

Siemens 3RW44 Specifications

General

Temperature range	-25°C to +60°C
Degree of protection	IP20
Product category	Soft starter
Product designation	3RW44
Type of voltage	AC
Protection class IP	IP20
Standards	IEC 60947-4-2
Overload class	Class 10, 20