IM-P343-22 CH Issue 2
15
Table 1
Changeover switch SW1 Terminals 1 and 2 Terminals 3 and 4
A TS1
TS2
(Software travel switches)
PF2
B PF1 (Pepperl and Fuchs
mechanical travel switches)
Table 2 - Software travel switch ratings
Ratings Supply Impedance On current Off current
TS1 travel switch 18 - 30 Vdc 1 kW 10 mA < 53 µA @ 24 V
TS2 travel switch 18 - 30 Vdc 1 kW 10 mA < 53 µA @ 24 V
4 - 20 mA 8 - 30 Vdc - - -
Isolation between each option and between option boards to main circuit = 50 Vac
Table 3 - Pepperl and Fuchs switch ratings
Switch type Pepperl and Fuchs SJ3, 5-N
Switch characteristic NAMUR constant current
Voltage range 5 - 25 Vdc
Nominal voltage 8 Vdc
Current (sensing face covered) < 1 mA
Current (sensing face free) > 3 mA
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