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12 Connection | Application manual: Waste water pump | 1SFC132104M0201 3.2.4 Connecting Reset, Pump cleaning forward and Pump cleaning reverse terminals to push buttons or PLC The softstarter has three programmable inputs. See Figure 9. • In0, has reset event as default • In1, should be changed to Pump cleaning forward, see chapter 4.4.1 05 Slow speed (pump cleaning reverse) • In2, should be changed to Pump cleaning reverse, see chapter 4.4.1 05 Slow speed (pump cleaning reverse) Internal control voltage - Push buttons Connect the cables according to Figure 10 to use the internal control voltage. • Connect the blue reset push button as Reset in Figure 10 • Connect the black pump cleaning toggle right direction as Forward in Figure 10 • Connect the black pump cleaning toggle left direction as Reverse in Figure 10 Tightening torques and cable dimensions. 0,2 .. 2,5 mm 2 2x0,2 .. 1,5 mm 2 0,2 .. 2,5 mm 2 2x0,2 .. 1,5 mm 2 AWG 12 ... 24 0,5 Nm 4,3 lb.in 3,5 x 0,6 mm (0.138 x 0.024 in) M3 L 100-250V 50/60 Hz K4 K5 K6 Start Stop In0 In1 In2 GND +24V N 1SFC132081M0201 External control voltage - PLC Connect the cables according to Figure 11 to use an external control voltage. • Connect PLC control for reset as Reset in Figure 11 • Connect PLC control for pump cleaning forward as Forward in Figure 11 • Connect PLC control for pump cleaning reverse as Reverse in Figure 11 WARNING Terminal Terminal 13, 14 ,15, 16 and 17 should be connected using 24V DC only. Other voltages may damage the softstarter and the warranty may no longer be valid. Tightening torques and cable dimensions. 0,2 .. 2,5 mm 2 2x0,2 .. 1,5 mm 2 0,2 .. 2,5 mm 2 2x0,2 .. 1,5 mm 2 AWG 12 ... 24 0,5 Nm 4,3 lb.in 3,5 x 0,6 mm (0.138 x 0.024 in) M3 L 100-250V 50/60 Hz K4 K5 K6 Start Stop In0 In1 In2 GND +24V N 1SFC132081M0201 9 1SFC132081M0201 Figure 9: Terminals 15, 16, 17, 18, 19, 20 and 21 10 PSTX L 100-250V 50/60Hz K4 K5 K6 Start Stop In0 In1 In2 DGND +24V N GND 1SFC132081M0201 Reverse Reset Forward Figure 10: Programmable inputs with internal source used. Typical for push buttons. L 100-250V 50/60Hz K4 K5 K6 Start Stop In1 In2 DGND +24V N In0 GND DC + - 11 1SFC132081M0201 Reverse Reset Forward Figure 11: Programmable inputs with external source used. Typical for PLC. 2