Categorization by frame size, option code and item
designation
Some descriptions, instructions, technical data and dimensional drawings which concern
only a certain group of units may be marked with the symbol of the frame size (such as
“R2i”, “4×R8i”, etc.). The marking derives from the quantity and basic construction of the
inverter modules that form the inverter unit. For example, the frame size “2×R8i” indicates
that the inverter unit consists of two frame size R8i inverter modules connected in parallel.
The frame size is marked on the type designation labels. The frame size of each inverter
module is also shown in the rating tables. See the technical data.
The instructions and technical data which concern only certain optional selections are marked
with option codes (such as +E205). The options included in the drive can be identified from
the option codes visible on the type designation label.
Use of component designations
Some device names in the manual include the item designation in brackets, for example
[Q20], to make it possible to identify the components in the circuit diagrams of the drive.
Terms and abbreviations
DescriptionTerm
Type of control unitBCU
Circuit board in which the control program runsControl board
Control board built in a housing (often rail-mountable)Control unit
One section of a cabinet-installed drive. A cubicle is typically behind a door of its own.Cubicle
DC circuit between rectifier and inverterDC link
Frequency converter for controlling AC motorsDrive
Optional analog I/O extension moduleFAIO-01
Optional CANopen® adapter moduleFCAN
Optional ControlNet™ adapter moduleFCNA
Optical DDCS communication moduleFDCO
Optional digital I/O extension moduleFDIO-01
Optional DeviceNet™ adapter moduleFDNA
Diagnostics and panel interface boardFDPI
Optional EtherCAT adapter moduleFECA
Optional Ethernet adapter moduleFEIP
Optional TTL incremental encoder interface moduleFEN-01
Optional TTL absolute encoder interface moduleFEN-11
Optional resolver interface moduleFEN-21
Optional HTL incremental encoder interface moduleFEN-31
Optional Ethernet adapter moduleFENA
Optional Ethernet POWERLINK adapter moduleFEPL
Optional digital I/O extension moduleFIO-01
Optional analog I/O extension moduleFIO-11
Optional Ethernet adapter module for Modbus TCP protocolFMBT
Optional PROFIBUS DP adapter moduleFPBA
Optional Profinet IO adapter moduleFPNO
Optional thermistor protection moduleFPTC-01
Optional ATEX-certified thermistor protection module for potentially explosive atmo-
spheres
FPTC-02
12 Introduction to the manual
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