Introduction to the manual
20
Terms and abbreviations
Term/Abbreviation Definition
ABRC Brake chopper control board
ADPI Diagnostics and panel interface board
AGDR Gate driver control board
AGPS Power supply board for IGBT gate driver boards. Used in implementation of
the optional Prevention of unexpected start-up function.
AIBP Input bridge protection board
AIMA I/O module adapter.
AINP Input bridge control board
AINT Main circuit board
APOW Power supply board
ASTO Safe torque off board
DDCS Distributed drives communication system; a protocol used in optical fiber
communication.
DTC Direct torque control
EMC Electromagnetic compatibility
EMI Electromagnetic interference
IGBT Insulated gate bipolar transistor
IT system Type of supply network that has no (low-impedance) connection to ground/
earth.
NAIO Analogue I/O extension module
NDIO Digital I/O extension module
NRFC EMC filter board
NTAC Pulse encoder interface module
PE Protective earth
PELV Protective extra low voltage
POUS Prevention of unexpected start-up
RDCO Satellite board that mounts on the RMIO board to increase the number of
DDCS channels available.
RDCU Drive control unit
RFI Radio-frequency interference
RMIO Supply/motor control and I/O board
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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