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Page Views: 263 Date Added: 05/14/2009 Last Updated: 05/14/2009 Expiry Date: 05/09/2028 Product/Service Details GAC Electric Governor ESD5550 - 5570 Product Description GAC ESD5550 / 5570 SERIES SPEED CONTROL UNIT SPECIFICATIONS The ESD5550 / 5570 Series speed control unit is an all electronic device designed to control engine speed with fast and precise response to transient load changes. This closed loop control, when connected to a proportional electric actuator and supplied with a magnetic speed sensor signal, will control a wide variety of engines in an isochronous or droop mode. It is designed for high reliability and built ruggedly to withstand the engine environment. Simplicity of installation and adjustment was foremost in the design. Non-interacting performance controls allow near optimum response to be easily obtained. The primary features of the ESD5550 / 5570 Series speed control unit are the engine STARTING FUEL and SPEED RAMPING adjustments. The use of these features will minimize engine exhaust smoke experienced prior to attaining engine operating speed. Other features include; Adjustable droop and idle operation, inputs for accessories used in multi-engine or special applications, protection against reverse battery voltage, transient voltages, accidental short circuit of the actuator and fail-safe design in the event of loss of speed sensor signal or battery supply. The ESD5550 / 5570 Series speed control unit is compatible with all GAC proportional actuators except the ACB2000 electric actuator. When the ESD5550 / 5570 Series speed control unit is used with a ADVC100 Series electric actuator, the DROOP adjustment range will be less due to this actuator's low current demand. FERFORMANCE Isochronous Operation/Steady State Stability: ± 0.25% or better Speed Range / Governor: 1K-7.5K Hz continuous Speed Drift With Temperature (Governor and Speed Switch): ± 1% maximum Idle Adjust CW: 60% of set speed Idle Adjust CCW: Less than 1200Hz Droop Range: 1-5% regulation Droop Adj. Max (K-L Jumpered): 400Hz., ± 75Hz. Per 1.0A change Droop Adj. Max ( K-L Jumpered): 15Hz., ± 6Hz. Per 1.0A change Speed Trim Range: ± 200Hz Remote Variable Speed Range: 500-7.5K Hz, or any part thereof Terminal Sensitivity J: 100Hz., ± 15Hz / Volt@5.0K impedance L: 735Hz., ± 60Hz / Volt@65K impedance N: 148Hz., ± 10Hz / Volt@1 Meg impedance P: 10VDC Supply@ 20ma Max Speed Switch Adjustment Range: 1000 ·10000Hz. ENVIRONMENTAL Ambient Operating Temperature Range: -40° +180° F (-40° ~85o C) Relative Humidity: Up to 95% All Surface Finishses: Fungus Proof & Corrosion Resistant INPUT POWER Supply: 12 or 24VDC Battery Systems (transient & reverse voltage protected) Polarlty: Negative ground (Case isolated) Power Consumption: 50 ma continuous plus actuator current Actuator Current Range @ 25o C(77° F): Min. 2.5Amps Max. 10 Amps continuous Speed Sensor Signal: 0.5-120 Volts RMS Speed Switch Relay Contacts(N.O.and N.C.): 10Amps RELIABILITY Vibration: 1G @ 20-100Hz Testing: 100% Functionally tested PHYSICAL Dimensions: See outline (FIGURE 1) Weight: 1.8 lbs. (820 grams) Mounting: Any position, vertical preferred Additional photos

Company Information (Chongqing Kang Famous cummins Commerce Co., Ltd.)

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