Kuka KR C2 edition05, Operating Instructions Manual

Page: 33 / 157

33 / 157 V3.3 11.07.2007 KRC-AD-KRC2ed05-BA en
2. Product description
„
Mains filter
2.7.1 Power supply unit KPS 600
Description
Via the drive bus, commands are received from the robot controller and status
messages are sent to the robot controller. Communication is monitored by
means of a watchdog circuit. In the event of a failure, short-circuit braking is
activated.
The KPS 600 contains:
„
Mains contactor
„
Power unit with starting circuit
„
Ballast circuit, including short-circuit braking relays
„
Brake switches (in common for all 6 robot axes and separate for 2 external
axes)
„
Interface to DSE-IBS and servo drive modules
„
Battery charging circuit, disconnection of the backup voltage, voltage dis-
tribution 24 V
„
Interbus monitoring
„
Fan cutoff (output), fan monitoring (input)
„
Interface with the safety logic
„
Temperature monitoring of:
„
Heat sink
Fig. 2-20: Power unit
1 Low-voltage power supply KPS-27
2 Fuse elements (24 V without battery back-up)
3 Mains filter
4 Main switch (EU version)
5 Fan for inner cooling circuit
6 Power supply unit KPS600
7 KSDs for 2 external axes (option)
8 KSDs for 6 robot axes
9 Fuse elements (24 V with battery back-up)