Introduction to this manual 21
Terms and abbreviations
Term / Abbreviation Description
AGPS Power supply board for IGBT gate driver boards. Used in implementation of
the optional Prevention of unexpected start-up function.
AIMA I/O module adapter. An extension unit for mounting I/O extension modules
outside the drive unit.
ASTO Safe torque off board. An optional board used to implement the Safe torque
off function.
DDCS Distributed drives communication system. A protocol used in optical fiber
communication.
DTC Direct torque control
EMC Electromagnetic compatibility
GCUR Current measurement board
GDIO Charging diode board
GINT Main circuit board
GRFC Filter board
GRFCU EMC filter unit
GVAR Varistor board
IGBT Insulated gate bipolar transistor
IT system Type of supply network that has no (low-impedance) connection to
ground/earth.
PCC Point of common coupling
POUS Prevention of unexpected start-up
RAIO Analog I/O extension module
RCAN CANopen adapter module
RCNA ControlNet adapter module
RDCO DDCS communication module
RDIO Digital I/O extension module
RDNA DeviceNet™ adapter module
RETA Ethernet adapter module for Modbus/TCP and EtherNet/IP protocols
RFI Radio-frequency interference
RIBA InterBus-S adapter module
RLON L
ONWORKS® adapter module
RMBA Modbus adapter module
RMBP Modbus plus adapter module
RMIO Supply/motor control and I/O board
RPBA PROFIBUS-DP adapter module
RRFC RFI filter board (filter board for meeting the EMC requirements)
RRIA Resolver adapter module
RTAC Pulse encoder adapter module
STO Safe torque off
THD Total harmonic distortion
TN system Type of supply network that provides a direct connection to ground (earth)
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