Standstill and Rotational Direction Monitor KFD2-SR2-2.W.SM KFD2-SR2-2.W.SM 2-channel signal conditioner 24 V DC supply PNP/push-pull, dry contacts or NAMUR inputs Selectable frequency trip values 2 relay contact outputs Start-up override Selectable mode of operation Without line fault detection Up to SIL 2 acc. to IEC/EN 61508