S4

S1 = Servotiny1           S2 = Servotiny2           S3 = Servotiny3           S4 = Servotiny4

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S4 = S4-Decoder S4ohneF (<2022) S4 = S4N-Decoder S4ohneF (>2022)

S4-Car = S4Car S4RelaisF Terugkoppeling (<2022) S4-Wagon = S4NCar S4RelaisF Terugkoppeling (>2022)

S4-Herz = S4Herz S4Pool Omkeerrelaisf <<2022) S4-Herz = S4NHerz S4Pool Omkeerrelaisf (>2022)