... range: 0 ~ 99Hz.Charger failure, excitation range: 8 ~ 35V DC.Current maximum value: 350mA (12V), 250mA (24V)Magnetic (speed) sensor input ... N, L2 N, L3 N";(second): screen display of load current (A) L1, L2, L3,(third): screen display pressure (BAR), temperature ... size:High 310cm Wide 410cm Deep 280cm Digital Control Systems & Remote Communications