Keba ServoOne Series - 4.15 Braking Resistor Connection (X12;RB)

Operation Manual ServoOne Supply Unit
54
ID no.: 1101.21B.6-00 Date:04/2020
4.15 Braking resistor (X12/RB)
In regenerative operation, e.g. when braking the motors, energy is fed to the DC link in
the multi-axis system and fed back to the mains via the supply unit. If it is not possible
to feed back the electrical power to the mains (e.g. mains failure), the internal braking
transistor is switched on and the regenerated power is converted into heat via a braking
resistor.
4.15.1 Connection of the external braking resistor
DANGER! Risk of injury due to electrical power!
• Carelessness will result in serious injuries or death.
TerminalRB+ispermanentlyconnectedtoDClinkpotential(>300VDC).Theconnectionis
notprotectedinternallyinthedevice.
Nevermakeordisconnectelectricalconnectionswhiletheyareelectricallylive!Beforemaking
anychange
thedeviceistobedisconnectedfromthemains.Even30minutesafterswitchingoffthe
mainssupplydangerouslyhighvoltagesof≥50Vmaystillbepresent(capacitorcharge).The
dischargingtimedependsonthenumberofcontrollersconnectedtothemulti-axissystem.So
checkthatelectricalpowerisnotpresent!Seechap.4.1
NOTE:
The external braking resistor must be monitored by the controller. The
temperature of the braking resistor is monitored by a temperature
sensor (Klixon). In the event of overtemperature, the supply unit must be
disconnected from the mains. All drive controllers in the system must also be
deactivated.
WARNING! Risk of injury due to hot surfaces on the braking resistor!
• Carelessness may result in serious burns.
Thebrakingresistormaybecomehotduringoperation!
Forthisreasonmaintainanadequateclearancetoneighbouringassembliesorinstallthe
brakingresistoroutsidetheswitchcabinet.
4.12 Specication, USB interface (X2)
The service and diagnostic interface X2 is designed as a USB V1.1 interface. It is only
suitable for connecting a PC for commissioning, service and diagnostics using the
software DriveManager5.
Technical specication:
y USB1.1standard - full speed device interface
y Connection via commercially available USB interface cable typeA to typeB
(see also ServoOne Order Catalogue)
4.13 Specication, Ethernet interface (X3)
The service and diagnostic interface X3 is designed as an Ethernet interface. It is only
suitable for connecting a PC for commissioning, service and diagnostics using the
software DriveManager5.
Technical specication:
y Transfer rate 10/100 Mbits/s BASE-T
y Transmission prole IEEE802.3 compliant
y Connection via commercially available crosslink cable
(see also ServoOne Order Catalogue)
4.14 Option 1
Depending on the ServoOne variant, Option1 is factory-congured with various options.
Field bus options such as EtherCAT or SERCOS are available.
You will nd all available options in the ServoOne Order Catalogue. The user manuals for
the respective options provide detailed information on commissioning.
Electrical installation