Lenze i750 User Manual

Glossary
De
nions in funconal safety
Abbreviaon Meaning
AIE Acknowledge In Error, error acknowledgement
AIS Acknowledge In Stop, restart acknowledgement
OFF state Triggered signal status of the safety sensors
CCF Common Cause Error (also β-value)
EC_FS Error Class Fail Safe
EC_SS1 Error Class Safe Stop 1
EC_SS2 Error Class Safe Stop 2
EC_STO Error Class Safe Torque O St
op 0
ON state Signal status of the safety sensors in normal operaon
FIT Failure In Time, 1 FIT = 10-9 Error/h
FMEA Failure Mode and Eect Analysis
FSoE FailSafe over EtherCAT
GSDML Device descripon le with PROFINET-specic data to integrate the conguring soware of a PROFINET controller.
HFT Hardware Failure Tolerance
Cat. Category according to EN ISO 13849‑1
nBD Speed value Base-Drive, internally determined actual speed from standard applicaon
nSD Safe-Drive speed value, internally determined actual speed from the safety applicaon
n_safe Actual speed determined from validaon of nBD and nSD. Enters the further processing of the speed-dependent safety
funcons.
OSSD Output Signal Switching Device, tested signal output
pBD Base-Drive posion value, internally determined actual posion from standard applicaon
pSD Safe-Drive posion value, internally determined actual posion from the safety applicaon
p_safe Actual posion determined from validaon of pBD and pSD. Enters the further processing of the posion-dependent
safety funcons.
PELV Protecve Ex
tra Low Voltage
PL Performance Level according to EN ISO 13849‑1
PM Plus−Minus − switched signal paths
PP Plus−Plus − switched signal paths
PS PROFIsafe
PWM Pulse Width Modulaon
SCS Safe Creeping Speed
SD−In Safe Digital Input
SD−Out Safe Digital Output
SELV Safety Extra Low Voltage
SFF Safe Failure Fr
acon
SIL Safety Integrity Level according to EN IEC 61508
Appendix
Glossar
y
182

Lenze i750 Specifications

General

Brand	Lenze
Model	i750
Category	Inverter
Language	English