Bộ điều khiển nhiệt độ SPEED CONTROL LOAD SHARING & TEMPERATURE CONTROL 2301A Woodward 9905/9907 Series
2301A Electronic Load Sharing and Speed Control
General Specifications
Power Supply Rating 90–150 Vdc or 85–132 Vac for High Voltage
models
20–40 Vdc for Low Voltage models
Power Consumption less than or equal to 15 W nominal
Inputs—
Load Sensing 90–240 Vac 3ø 45–66 Hz 3ø current transformer
input
Speed Sensor Input Impedance 100–300 Ω
Speed Sensor magnetic pickup 1.0 Vac minimum to 30 Vac
maximum
Speed Trim 0–100 Ω for 0 to 10% speed change
Speed Setting terminals 23–24 jumpered, internally adjustable
100 Ω potentiometer allows external 0–10%
speed trim
Idle Speed Select external switch, open terminals 19 to 16
Droop external switch, open terminals 14 to 16
Synchronizer ±5 Vdc for speed change with Woodward SPMA synchronizer
Load Sharing 0–6 Vdc
Outputs—
Actuator 7.5 Vdc max for 0 to 214 mA with 35 Ω coil
Adjustments—
Rated Speed 11 450 Hz
Acceleration Ramp (±Idle to Rated) 0–10 s, switch activated, close terminals 19 to
16
Actuator Compensation time constant compatibility 0–500 ms
Low Idle Speed 55% rated
Load Gain 6 Vdc maximum at 5 A CT current
Droop 0 to 10%
Speed Control Range switch selectable, 500–1500 Hz, 1000–3000 Hz,
2000–6000 Hz (standard), 4000–12 000 Hz
Operating Temperature –40 to +85 °C (–40 to +185 °F)
Load Sharing ±5% of rated load with speed setting matched
Vibration 4 Gs, 5 to 500 Hz
Shock 60 Gs
Weight approximately 1.8 kg (4 lb)
Finish gloss powder