KEB COMBIVERT F5 Series, Instructions For Use Manual

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11
GLOSSARy
PFH Term used in the safety technology
(EN 61508-1...7) for the size of error
probability per hour
PLC Programmable logic controller
PT100 Temperature sensor with R0=100Ω
PT1000 Temperature sensor with R0=1000Ω
PTC PTC-resistor for temperature detec-
tion
PWM Pulse width modulation
RJ45 Modular connector with 8 lines
SCL Synchronous sensorless closed loop
SELV Safety Extra Low Voltage (< 60 V)
SIL The security integrity level is a
measure for quantifying the risk
reduction. Term used in the safety
technology (EN 61508 -1...7)
SS1 Safety function „Safe stop 1“ in ac-
cordance with IEC 61800-5-2
SSI Synchronous serial interface for
encoder
STO Safety function „Safe Torque Off“ in
accordance with IEC 61800-5-2
TTL Incremental signal with an output
voltage up to 5 V
USB Universal serial bus
VARAN Real-time Ethernet bus system