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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 safety integrity level is a measu-
re 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
Содержание COMBIVERT P6
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