Lenze ELCAMZIxxx4SNNPSNN (LCU122) - Manual (Page 120)

Safety engineering
Safety functions
Function mode
7

120 EDSLCMX3024-SPS EN 5.0
7.5 Safety functions
7.5.1 Function mode
Disconnecting paths
The safety function safely separates the mains phases L1, L2, L3. The motor is rendered
torque-free in a safe manner (STO).
L1
L2
L3
μC
REL1 REL2
LBK
μC2
Fail-Safe
Logik
Anschaltung
digitale IO
C
M
3~
PROFIBUS
μC1
PROFIBUS
RS485
μC1
I
IO-Anpassung
Sichere IO Digitale IO
Anschaltung
sichere IO
PROFIsafe
X10
X60 X31, X32 X41, X42, X45
X21, X22
lcu12x_003
Fig.7-5 Disconnecting paths
Xx
Input / output terminal
REL1, REL2 Disconnection of the power supply by means of two channels
C Control section
μ Cx Microcontroller
LBK Control of motor holding brake
M Motor