6 Abbreviations and symbols
Page 10 Installation manual for PMCtendo DD5/PMCprimo Drive3
6 Abbreviations and symbols
The abbreviations and symbols used in this manual are explained in the table below:
Abbreviation Meaning
AGND Analog ground
AS Restart lock, option
BTB/RTO Ready to operate
CAN Fieldbus (CANopen)
CE Communité Europeenne
CLK Clock signal
COM Serial interface for a PC-AT
DGND Digital ground (for 24V and digital I/O)
DIN German Institute for Industrial Standards
Disk Magnetic storage (diskette, hard disk)
EEPROM Electrically erasable programmable memory
EMC Electromagnetic compatibility
EMI Electromagnetic interference
EN European Standard
ESD Electrostatic discharge
F-SMA Fiber Optic Cable connector according to IEC 60874-2
IEC International Electrotechnical Commission
IGBT Insulated-gate bipolar transistor
INC Incremental interface
ISO International Organization for Standardization
LED Light-emitting diode
MB Megabyte
NI Zero pulse
PC Personal computer
PELV Protected low voltage
PLC Programmable logic controller
PWM Pulse-width modulation
RAM Volatile memory
RBallast / RBR Ballast resistor (= regen resistor)
RBext External regen resistor
RBint Internal regen resistor
RES Resolver
ROD digital encoder
S1 continuous operation
S3 Intermittent operation
SRAM Static RAM
SSI Synchronous serial interface
UL Underwriters Laboratories
V AC Alternating voltage
V DC DC voltage
VDE Society of German Electrical Technicians
Danger to personnel from
electricity and its effects
effects
Danger to
maschinery, general
warning
Important
notes
S. see page
λ
special emphasis
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