Voltage Repeater KFD2-VR4-Ex1.26, Signal type, Isolated Barriers (K-System), 1-channel isolated barrier, 24 V DC supply (Power Rail), Voltage input 0 V ... -20 V, Vibration sensor inputs, Voltage/current field supply, Voltage output 0 V ... -20 V, Up to SIL 2 acc. to IEC/EN 61508