Autonics SFC-N322-23-L Podręcznik - Strona 13
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Connection Examples 7
■ Relay unit-Safety door lock switch
Connections
Safety controller: Relay unit SFC-R212-R2□□
Safety door lock switch: SFDL Series
Push button switch (from Annex C of ISO 13849-1)
Contactor of rated load (from Annex C of ISO 13849-1)
SW4
24V
Unlock signal
MC1
MC2
GND
SW2
• Operation timing chart
Safety limit switch SW1
Safety door switch SW2
Unlock signal
Unlock switch SW4
Stop signal
Feedback start switch SW3
MC1, MC2 b contact
MC1, MC2 a contact
Motor operation command
Rotation of motor
• Set the switches for off-delay time on the front and back of the relay unit to the same.
18, Bansong-ro 513Beon-gil, Haeundae-gu, Busan, Republic of Korea, 48002
www.autonics.com | +82-51-519-3232 | [email protected]
Start
PL/Safety category
Manual
PLe/Cat.4 equivalent
SW1: Safety limit switch
SW2: Safety door lock switch
SW3: Feedback start switch
SW4: Unlock switch
MC1 to MC4: Magnetic contactor
M1, M2: 3-phase motor
Off-delay
time
24V
OPEN
Stop signal
GND
SW1
SW3
MC1
MC2
MC1
MC2
M1
Guard closed
→ opened
Guard can
be opened.
Safety controller: Relay unit
FUSE
A1
Power
A2
M11
Safety Input 1
M12
M21
Safety Input 2
M22
M51
Feedback
M52
Start Input
M53
X1
Auxiliary Output
Safety Relay Output
Off-Delay
Instantaneous
13
14
23
24
37
38
47
48
PLC etc.
GND
MC1
MC2