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-|Transparent Guide|-
Connection Examples 6
■ Relay unit-Safety light curtain
Connections
Start
PL/Safety category
Safety controller: Relay unit SFC-R412
Safety light curtain: SFL / SFLA Series
Contactor of rated load (from Annex C of ISO 13849-1)
Auto
PLe/Cat.4 equivalent
M1
2
M11
A2
A1
M5
2
M51
M22
M2
1
M5
3
FUSE
X1
34
33
24
44
43
23
14
13
MC
1
MC2
GN
D
M1
MC
1
MC2
SFL(A) Series
Emit
te
r
SFL(A) Series
Re
ceiver
OSSD1
OSSD
2
NC
NC
24
V
GN
D
MC
1
MC2
MC3
MC4
MC3
MC4
M2
MC3
MC4
MC1 to MC4: Magnetic contactor
M1, M2: 3-phase motor
Safety controller: Relay unit
PLC etc.
Power
Safety Input 1
Safety Input 2
Feedback
Start Input
Auxiliary Output
Safety Relay Output
•
Operation timing chart
MC1 to MC4 b contact
MC1 to MC4 a contact
Safety light
curtain
•
For more information on wiring and detailed settings for safety light curtain (SFL/SFLA Series), see the “
SFL/SFLA user manual.”
•
The control output of the safety light curtain (SFL(A) series) is based on the PNP output.