Autonics SFC-ER412 Manuale - Pagina 11

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Autonics SFC-ER412 Manuale
Connection Examples 5
■ Relay unit-Safety emergency stop switch
Connections
Safety controller: Relay unit SFC-R212
Safety emergency stop button switch: SF2ER Series
Push button switch (from Annex C of ISO 13849-1)
Contactor of rated load (from Annex C of ISO 13849-1)
SW1: Safety emergency stop switch
SW2: Start switch
MC1, MC2: Contactor
M1: 3-phase motor
• Operation timing chart
Safety emergency
stop switch SW1
Start switch SW2
MC1, MC2 b contact
MC1, MC2 a contact
M1 Rotation of motor
• When you do not use the logic input (M61, M62), set the switch of the logic (AND) input (SW1, SW2) to OFF.
• Set the switches for off-delay time on the front and back of the relay unit to the same.
Start
PL/Safety category
Manual
PLe/Cat.4 equivalent
Safety controller: Relay unit
Power
Safety Input 1
Safety Input 2
Feedback
Start
Input
Auxiliary
Output
Safety
Relay Output
PLC etc.