24 Rockwell Automation Publication 2198-RM002A-EN-P - October 2017
Chapter 1 System Replacement Considerations
Dual Position Loop/Auxiliary Feedback
The Kinetix 5700 servo drives offer dual feedback control. A combination of
the 2198-K57CK-D15M connector kit and the 2198-H2DCK converter kit
can be required for the inverters to accept an auxiliary encoder input for dual-
loop operation or to be used as a master input for encoder feedback.
Motor Brake
The brake option is a spring-set holding brake that releases when voltage is
applied to the brake coil in the motor.
• The customer-supplied 24V supply drives the brake output through a
solid-state relay in Kinetix 5700 drives and Kinetix 6000 series C drives
• Kinetix 6000 series A and B drives have dry-contact relays
• Kinetix 5700 dual-axis inverters have separate brake circuits for each
axis.
The solid-state brake driver circuit provides the following protection:
• Brake current-overload protection
• Brake overvoltage protection
Safe Torque-off Safety
Features
The Kinetix 6000 servo drives use Sercos interface with hardwired safe torque-
off (STO) connections. Engineers commissioning hardwired safety often had
to use smaller systems or minimize their performance requirements because it
was difficult to hardwire interlocks and relay-based safety logic into a complete
automation system.
The Kinetix 5700 servo drives include hardwired STO (advanced compared to
Kinetix 6000 drives) and integrated STO, the ability to safely remove torque
by using an EtherNet/IP network connection. This network connection can
provide diagnostics on the same wires that provide the standard control and
greatly reduces wiring. Integrated Safety over an EtherNet/IP network is also
known as CIP Safety™ technology based on the ODVA standard.
For the safe torque-off connector pinout, installation, and wiring information,
see the related chapter in the Kinetix 5700 Servo Drives User Manual,
publication 2198-UM002
.
IMPORTANT For applications that do not require the safety function, you must install
jumper wires to bypass the hardwired safe torque-off feature.
For applications that use the safe torque-off (STO) function, consider using a
LOGIX 5000 safety controller to control the STO functionality and to reduce
wiring.
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