Converter with control units CU250D-2
Operating Instructions, 04/2015, FW V4.7.3, A5E34261542B AB
5
Changes in this manual
Notable changes over the 04/2014 edition of the manual
New functions in firmware V4.7 SP3
in Chapter
Moment of inertia estimator with moment of inertia precontrol
for automatic speed control adaptation
(Page 156)
Friction characteristic with automated recording of the opti-
mization of the speed controller
Friction characteristic (Page 153)
An overview of all the new and changed functions in the V4.7 firmware can be found in
Section New and extended functions (Page 357).
Revised descriptions
In Chapter
Factory settings and default settings of the inputs and out-
puts
Connections and cables (Page 41)
Startdrive commissioning tool added
(Page 69)
Manual optimization of the speed controller
Optimizing the speed controller
(Page 150)
Error correction
in Chapter
Feeder protection of the 400-V power supply of the inverter,
feeder protection for use according to UL standards
Feeder protection of individual invert-
ers (Page 35)
Feeder protection of multiple inverters
(Page 37)