1.6 Abbreviations used
Abbrev. Meaning
AGND Analog ground
xAF Fuse, x Amps, fast
xAM Fuse, x Amps, medium
xAT Fuse, x Amps, slow
BTB/RTO Ready to operate
CAN Fieldbus (CANopen)
CE Communité Europeenne
CLK Clock signal
COM Serial interface for a Personal Computer
DGND Digital ground (for 24V, digital inputs and digital outputs)
Disk Magnetic storage (diskette, hard disk)
EEPROM Electrically erasable programmable memory
EMC Electromagnetic compatibility
F-SMA Fiber Optic Cable connector according to IEC 60874-2
IGBT Insulated-gate bipolar transistor
LED Light-emitting diode
MB Megabyte
NI Zero pulse
PC Personal computer
PL Performance Level
PLC Programmable logic control
PWM Pulse-width modulation
RAM Volatile memory
R
Brake
or R
B
Brake resistor (sometimes called "regen resistor")
RBext External brake resistor
RBint Internal brake resistor
RES Resolver
ROD Digital encoder (A quad B)
SDI Safe direction
SIL Safety Integrity Level
SIL CL Safety Integrity Level Claim Limit
SLI Safe limited increments
SLP Safe limited position
SLS Safely limited speed
SOS Safe operating stop
SS1 Safe stop 1
SS2 Safe stop 1
SSI Synchronous serial interface
SSR Safe speed range
STO Safe torque off (former AS)
V AC Alternating voltage
V DC DC voltage
VDE Society of German Electrical Technicians
S701x2-S724x2 Instructions Manual 9
Kollmorgen 07/2014 General