Appendix
20.1 List of abbreviations
Basic Functions
1744
Function Manual, 09/2011, 6FC5397-0BP40-2BA0
CU
Control Unit
CP
Communication Processor
CPU
Central Processing Unit: Central processing unit
CR
Carriage Return
CTS
Clear To Send: Ready to send signal for serial data interfaces
CUTCOM
Cutter radius Compensation: Tool radius compensation
D
DAC
Digital-to-Analog Converter
DB
Data Block (PLC)
DBB
Data Block Byte (PLC)
DBD
Data Block Double word (PLC)
DBW
Data Block Word (PLC)
DBX
Data block bit (PLC)
DIN
Deutsche Industrie Norm
DIO
Data Input/Output: Data transfer display
DIR
Directory: Directory
DO
Drive Object
DPM
Dual Port Memory
DPR
Dual Port RAM
DRAM
Dynamic memory (non-buffered)
DRF
Differential Resolver Function: Differential resolver function (handwheel)
DRIVE-CliQ
Drive Component Link with IQ
DRY
Dry Run: Dry run feedrate
DSB
Decoding Single Block: Decoding single block
DSC
Dynamic Servo Control / Dynamic Stiffness Control
DW
Data Word
DWORD
Double Word (currently 32 bits)
I
I
Input
ENC
Encoder: Actual value encoder
EFP
Compact I/O module (PLC I/O module)
ESD
Electrostatic Sensitive Devices
EMC
ElectroMagnetic Compatibility
EN
European standard
EnDat
Encoder interface
EPROM
Erasable Programmable Read Only Memory
EQN
Designation for an absolute encoder with 2048 sine signals per revolution
ES
Engineering System