GAC ESD5330 INTRODUCTION
The ESD5330 Series speed control unit is designed to precisely control engine speed and provide fast precise response to transient engine loads. This speed control is intended to be used with all GAC Actuators including the ACB2000. A complete closed loop control system is formed with the addition of a magnetic pickup signal sensing engine speed and 24 Volt DC power.

The ESD5330 Series has several special built in features:
*  A Two Element Speed Switch (overspeed sensing and crank termination)
*  Speed Ramping from Idle to Operating Speed
*  A unique actuator power drive circuit
Other standard features include: adjustable Droop, Accessory inputs for load Sharing, Variable Speed Governing, protection against reverse battery voltage and transient voltages and a fail safe design in the event of loss of speed signal or battery supply.

ESD5330 SERIES SPEED CONTROL UNIT
ESD5330------Standard Unit, 24 Volt operation ESD5331----------use w/EFC Actuator
ESD5330-12--------------------12 Volt operation ESD5331-12------use w/EFC Actuator

PERFORMANCE
Isochronous Operation/Steady State Stability: ± 0.25% or better
Operation Speed Range: 1K-7.5K Hz continuous
Speed Drift With Temperature: ± 1% maximum
Idle Speed Adjust Range: 25-85% of rated speed
Droop Range: Adjustable from 0-5% for a 1.5 A actuator current change
Speed Trim Range: ± 200 Hz
Remote Variable Speed Range: 25 to 100% of rated speed
Speed Ramp Time: Acceleration adjustment range 266 Hz/Sec to 1300 Hz/Sec
Deceleration adjustment range 250 Hz/Sec to 1000 Hz/Sec
Starting Fuel Adjustment
0-1.5A: 120, 175, 225, 275 Actuators/SW2-7 OFF
0.3-4A: 2000 A
Overspeed Set Point: 2400 Hz to 8300 Hz
Crank Termination Set Point: 200 Hz to 2050 Hz
Terminal Sensitivity
H: -105 Hz, ± 15Hz / Volt @ 5.0K impedance
M: -130 Hz, ± 15Hz / Volt @ 1 M impedance
K: -685 Hz, ± 40 Hz / Volt@ 225K impedance
N: +1000 Hz, ± 50 Hz / Volt@ 8 K impedance

ENVIRONMENTAL
Ambient Operating Temperature Range: -40· +185· F (-40· to ~+85º C)
Relative Humidity (Noncondensing): Up to 95%
All Surface Finishes: Fungus proof & corrosion resistant

INPUT POWER-Nominal Ratings
DC Supply: 24 ± 20% VDC battery systems ( transient and reverse voltage protected)
Maximum Continuous DC Supply Voltage: 32 Volts
Polarity: Negative ground (Case isolated)
Power Consumption (Engine Stopped): 100 MA (No actuator current)
Speed Sensor Signal: 0.5-120 Volts RMS
Maximum Actuator Current: Internally limited to 9A continuous
Maximum Current, Speed Switch Contact (Terminals 1-6): 6 Amps

RELIABILITY
Vibration: 1G @ 20-100Hz
Shock: 10 G (11 ms)
Testing: 100% Functionally tested

PHYSICAL
Dimensions: See FIGURE 1 Wiring Diagram and Outline (page 3)
Weight: 2.0 Ibs (0.91 grams)
Mounting: Any position, vertical preferred

EMC
Conforms to CE directive for light and heavy industrial usage when installed in accordance with special instructions and as per the wiring diagram which is found in PIB 1041.