33 / 157V3.3 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)
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