1.4 Abbreviations used
The abbreviations used are explained in the table below.
Abbrev. Meaning
AGND Analog ground
AS Restart Lock, option
BTB/RTO Ready to operate
CAN Fieldbus (CANopen)
CE Communité Europeenne (EC)
CLK Clock
COM Serial interface for a PC
DGND Digital ground
DIN Deutsches Institut für Normung
Disk Magnetic storage (diskette, hard disk)
EEPROM Electrically erasable/programmable memory
EMV Electromagnetic compatibility
EN European standard
IEC International Electrotechnical Commission
ISO International Standardization Organization
LED Light-emitting diode
MB Megabyte
MS-DOS Operating system for a PC
NI Zero pulse/mark
NSTOP Limit-switch input for CCW rotation
PC Personal Computer
PGND Ground for the interface
PLC Programmable logic controller
PSTOP Limit-switch input for CW rotation
RAM Volatile memory
RBallast Regen resistor
RBext External regen resistor
RBint Internal regen resistor
RES Resolver
ROD Incremental encoder output
SRAM Static RAM
SSI Synchronous serial interface
UL Underwriter Laboratory
V AC Alternating (AC) voltage
V DC DC voltage
VDE Verein deutscher Elektrotechniker
XGND Ground for the 24V supply
Setup Software 7
BECKHOFF 07/03 General Information
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