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Variants
Part No.
Description
280001
SCR-21-i, AC/DC 24 V, (50-60Hz), Fixed screw terminals
280002
SCR-31-i, AC/DC 24 V, (50-60Hz), Fixed screw terminals
280003
SCR-31P-i, AC/DC 24 V, (50-60Hz), Fixed screw terminals
280001-P
SCR-21-i, AC/DC 24 V, (50-60Hz), Pluggable Terminals
280002-P
SCR-31-i, AC/DC 24 V, (50-60Hz), Pluggable Terminals
280003-P
SCR-31P-i, AC/DC 24 V, (50-60Hz), Pluggable Terminals
Application Circuits
Fig.1 SCR-21-i, Single Channel, E-Stop, Auto Reset
Fig.2 SCR-21-i, Dual Channel, Guard Interlock, Manual Reset
Fig.3 SCR-31-i, Dual Channel, E-stop, Manual Reset
Fig.4 SCR-31P-i, Dual Channel, OSSD Inputs, Auto Reset
Fig.5 Auto Reset
Fig.6 Manual Reset
Fig.7 Contactor Feedback Check (Manual Reset)
Electrical Connection
•
A power supply unit with electrical isolation from the mains supply must be connected.
•
External fusing of each safety output contact is necessary, a 4A. slow-blow or 6A. quick action) must be provided.
•
The maximum cabling and connecting resistance of control lines must not be exceed 300 ohms.
