1 General
BU 0505 EN-3021 15
Designation Example Description
Bus interfaces
Technology units which are clipped onto the
inverter for: AS-Interface, CANopen, DeviceNet,
InterBus, Profibus DP, EtherCat, Ethernet/IP,
Profinet IO, Powerlink,
Type SK TU3-...
(please see chapter 3.2 "Overview of technology
units")
Brake resistor
Chassis-mounted brake resistor
Dissipation of generated energy from the drive
system by conversion into heat. Energy is
generated by the braking processes,
Type SK BR2- …
(please see chapter 2.6 "Brake resistor (BR)")
Bottom-mounted brake resistor
Chassis-mounted brake resistor,
Type SK BR4- …
(please see chapter 2.6 "Brake resistor (BR)")
Choke
Output choke
Reduction of radiated interference (EMC) from
the motor cable, compensation of cable
capacitances,
Type SK CO1- …
(please see chapter 2.7.2 "Output choke SK
CO1")
Input choke
Reduction of mains-induced harmonic
components and charging currents,
Type SK CI1…
(please see chapter 2.7.1.2 "Input choke SK CI1-
…")
Link circuit choke
Reduction of mains-induced voltage distortions
and harmonic components,
Type SK DCL- …
(please see chapter 2.7.1.1 "Link circuit choke
SK DCL-")