ZLL
CDG11 Hall speed sensor
delivery time:2 weeks
product description
◎Six-channel speed sensor based on Hall principle
◎True zero speed signal output
◎Electrical isolation between channels
◎Wide range of speed measurement, strong anti-interference and anti-vibration shock ability
◎Speed sensor for CRH1, CRH2, CRH5, CRH6 EMU train control system
Environmental characteristics
◎Altitude: ≤3000m
◎Relative humidity: ≤95% (the monthly average minimum temperature is 25℃)
◎Working temperature: -40℃～+125℃
◎Vibration and shock: meet the requirements of type 3 axle installation specified in GB/T 21563-2008
◎Protection level: IP68
technical parameter
◎Working power supply (Vcc): DC15V±30% (two-channel common power supply with phase relationship)
◎Speed measurement range: 0～4000r/min
◎Working air gap: 0.3mm～2mm
◎Number of output channels: 6
◎Output waveform: square wave, and the rising edge and falling edge time≤10μs
◎Duty ratio: (50±20)%
◎Phase difference: 1～2, 3～4, 5～6 channel phase difference 90°±30°
◎High level: ≥0.8Vcc (load ≥1.2KΩ)
◎Low level: ≤1V
◎Dielectric strength (between all wires and shell): AC3000V[50Hz 60s]
◎Insulation resistance (between all wires and shell): ≥100MΩ (1000V megohmmeter)
◎Protection function: power supply polarity protection, output short circuit protection
