GAC Speed Controller P/N:ESD5500E

GAC ESD5500E SPECIFICATIONS

The ESD5500E 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 ESD5500E 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 accessonries used in multi-engine or speacial applications, protection against reverse battery vollage, 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 ESD5500E Series speed control unit is compatible with all GAC proportional actuators except the ACB2000 electric actuator. When the ESD5500E Series electric actuator, the DROOP adjustment range will be less due to this actuator's low current demand.

FERFORMANCE

Isochronous Operation/Steady State Stability: u00b1 0.25% or better Speed Range / Governor: 1K-7.5K Hz continuous

Speed Drift With Temperature (Governor and Speed Switch): u00b1 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., u00b1 75Hz. Per 1.0A change

Droop Adj. Max ( K-L Jumpered): 15Hz., u00b1 6Hz. Per 1.0A change Speed Trim Range: u00b1 200Hz

Remote Variable Speed Range: 500-7.5K Hz, or any part thereof Terminal Sensitivity

J: 100Hz., u00b1 15Hz / Volt 5.0K impedance L: 735Hz., u00b1 60Hz / Volt 65K impedance

N: 148Hz., u00b1 10Hz / Volt 1 Meg impedance P: 10VDC Supply 20ma Max

ENVIRONMENTAL

Ambient Operating Temperature Range: -40u00b0 +180u00b0 F (-40u00b0 ~85u00ba 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 25u00ba C(77u00b0 F): Min. 2.5Amps Max. 10 Amps continuous

Speed Sensor Signal: 0.5-120 Volts RMS

RELIABILITY

Vibration: 1G @ 20-100Hz Testing: 100% Functionally tested

PHYSICAL

Dimensions: See outline (FIGURE 1) Weight: 1.21 bs. (545 grams) Mounting: Any position, vertical preferred

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