ESD5570E GAC Speed Controller Series speed control unit features include:

• Simple installation
• Starting Fuel and Speed Ramping adjustments to minimize engine exhaust smoke prior to attaining engine operating speed
• 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.
• Light Force Actuation (ESD5570 only)

The ESD5570E GAC Speed Controller Series speed control unit is compatible with all GAC proportional actuators (except ACB2001). When paired with a GAC ADC100 Series electric actuator, DROOP adjustment range is less due to the ADC100’s low current demand.

Specifications of the ESD5570E GAC Speed Controller

• Isochronous / Steady State
• Stability ± 0.25 % or better
• Speed Range / Governor 1 K – 7.5 K Hz continuous
• Speed Drift with Temperature ±1 % MAX
• Idle Adjust CW 60 % of set speed
• Idle Adjust CCW Less than 1200 Hz
• Droop Range 1 – 5 % regulation
• Droop Adjustment MAX (K-L Jumpered) 400 Hz, ±75 Hz per 1 A change
• Droop Adjustment MIN (K-L Jumpered) 415 Hz, ±75 Hz per 1 A change
• Remote Variable Speed Range 500 – 7.5 Hz or any part thereof
• Speed Trim Range ± 200 Hz
• Operating Voltage 12 V DC or 24 V DC (Transient and Reverse Voltage Protected)*
• Polarity Negative Ground (Case Isolated)
• Power Consumption 50 mA continuous plus actuator current
• Actuator Current Range at 77 °F (25 °C) – Inductive Load Minimum 2.5 A 10 A Peak**
• Speed Sensor Signal 0.5 to 120 V RMS
• Speed Switch Relay Contacts (N.O. and N.C.) 10 A
• Vibration 5 g @ 20 – 500 Hz
• Testing 100% Functional Testing
• Ambient Temperature Range -40° to 85 °C [-40° to 180 °F]
• Relative Humidity up to 95 %
• Shock 20 g @ 11 ms
• All Surface Finishes Fungus Proof, Corrosion Resistant
• Weight 1.8 lbf [0.82 kgf]

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ESD5550E GAC Speed Controller Series speed control unit features include:

• Simple installation
• Starting Fuel and Speed Ramping adjustments to minimize engine exhaust smoke prior to attaining engine operating speed
• 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.
• Light Force Actuation (ESD5570 only)

The ESD5550E GAC Speed Controller Series speed control unit is compatible with all GAC proportional actuators (except ACB2001). When paired with a GAC ADC100 Series electric actuator, DROOP adjustment range is less due to the ADC100’s low current demand.

Specifications of the ESD5550E GAC Speed Controller

• Isochronous / Steady State
• Stability ± 0.25 % or better
• Speed Range / Governor 1 K – 7.5 K Hz continuous
• Speed Drift with Temperature ±1 % MAX
• Idle Adjust CW 60 % of set speed
• Idle Adjust CCW Less than 1200 Hz
• Droop Range 1 – 5 % regulation
• Droop Adjustment MAX (K-L Jumpered) 400 Hz, ±75 Hz per 1 A change
• Droop Adjustment MIN (K-L Jumpered) 415 Hz, ±75 Hz per 1 A change
• Remote Variable Speed Range 500 – 7.5 Hz or any part thereof
• Speed Trim Range ± 200 Hz
• Operating Voltage 12 V DC or 24 V DC (Transient and Reverse Voltage Protected)*
• Polarity Negative Ground (Case Isolated)
• Power Consumption 50 mA continuous plus actuator current
• Actuator Current Range at 77 °F (25 °C) – Inductive Load Minimum 2.5 A 10 A Peak**
• Speed Sensor Signal 0.5 to 120 V RMS
• Speed Switch Relay Contacts (N.O. and N.C.) 10 A
• Vibration 5 g @ 20 – 500 Hz
• Testing 100% Functional Testing
• Ambient Temperature Range -40° to 85 °C [-40° to 180 °F]
• Relative Humidity up to 95 %
• Shock 20 g @ 11 ms
• All Surface Finishes Fungus Proof, Corrosion Resistant
• Weight 1.8 lbf [0.82 kgf]

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The ESD5500E controls a wide variety of engines in isochronous or droop mode when connected to a proportional electric actuator and magnetic speed sensor. The ruggedly built ESD5500E series is designed to withstand the engine environment. Light-Force variations are available.

Specifications of the ESD5500E GAC Speed Controller

• Isochronous Operation ± 0.25 % or better
• Speed Range / Governor 1 – 7.5 kHz Continuous
• Speed Drift with Temperature ±1 % MAX
• Idle Adjust Clockwise 60 % of Set Speed
• Idle Adjust Counterclockwise Less than 1200 Hz
• Droop Range 1 – 5 % regulation
• Droop Adjust Maximum (K-L jumpered) 400 Hz ±75 Hz per 1.0 A change
  Droop Adjust Minimum (K-L jumpered) 15 Hz ±75 Hz per 1.0 A change
• Speed Trim Range ± 200 Hz
• Remote Variable Speed Range 500 – 7.5 kHz
• DC Supply 12 V DC and 24 V DC Battery Systems Transient and Reverse Voltage Protected*
• Polarity Negative Ground (Case Isolated)
• Power Consumption 50 mA continuous plus actuator current
• Speed Signal Range 1.0 – 50 V AC
  Speed Sensor Signal 1.0 – 120 V RMS
• Actuator Current Range**
  (77°F (25°C))
  Minimum 1.0 A
  Nominal 7.0 A
  Peak 10.0 A
• Vibration 1 g @ 20-100 Hz
• Testing 100 % Functionally Tested
• Ambient Temperature -40° to 85 °C [-40° to 180 °F]
• Relative Humidity up to 95 %
• All Surface Finishes Fungus Proof, Corrosion Resistant
• Weight 1.20 lbf [0.54 kgf]

When wiring ESD5500E Series controllers:

• Use shielded cable for all external connections to the ESD controller.
• One end of each shield, including the speed sensor shield, should be grounded to a single point on the ESD case.
• Terminal A, B, E,and F should be 16 AWG or larger. Long cables require increased wire size to minimize voltage drops.
• Battery positive (+) Terminal F should be fused for 15 A.
• Magnetic speed sensors Terminals C and D must be twisted and or shielded for the entire length.
• The gap between the speed sensor and the ring gear teeth should be smaller than 0.02 in [0.5 mm] usually backing out 3/4 turn after touching ring gear teeth. Speed sensor voltage should be at lease 1 V AC RMS during cranking.
• If auto synchronization is used alone, not with a load sharing module, use a 3 Ω resistor between Terminal N and P to match the voltage between the speed control unit and the synchronizer.
• When operating at the upper end of the control unit frequency range, add a jumper wire between Terminal G and J to increase the frequency range of the control unit over 7000 Hz.
• Terminal P is used to supply +10 V DC regulated supply to accessories. No more than 20 mA of current can be drawn from this supply. Ground reference is Terminal G. A short circuit in this terminal can damage the speed control unit.
• Do not over-tighten terminals. Torque to no greater than 9.0 in-lb ±2.5 [1.01 ±0.28 N∙m].

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Specifications of the ESD5131 GAC Speed Controller

• Isochronous Operation ±0.25 % or better
• Speed Range /Governor 1 K – 7.5 K Hz Continuous
• Speed Drift with Temperature ±0.5 % Typical
• Idle Adjust CW MIN 1200 Hz Below set speed
• Idle Adjust CCW MIN. 4100 Hz Below set speed
• Droop Range 1 – 5 % Regulation
• Droop Adj. MAX (K-L Jumpered) 875 Hz., ±75 Hz per 1.0 A change
• Droop Adj. MIN (K-L Jumpered) 15 Hz., ±6 Hz per 1.0 A change
• Speed Trim Range ±200 Hz
• Remote Variable Speed Range 500 – 3.7 kHz
• Terminal Sensitivity J, L, N, P
• 115 Hz., ±15 Hz/V @ 5 K Impedance
• 735 Hz., ±60 Hz/V @ 65 K Impedance
• 148 Hz., ±10 Hz/V @ 1 M Impedance
• 10 V DC Supply @ 20 mA Max
• DC Supply 12 or 24 V DC Battery Systems (Transient – Reverse Voltage Protected)
• Polarity Negative Ground (case isolated)
• Power Consumption 100 mA (No actuator current)
• Speed Signal Range 0.5 – 50 V AC
• Actuator Current Range 10 A Peak @ 77 ° F [25 °C]
• Speed Signal Range 1.0 to 50.0 V AC
• Weight 1.2 lbf [0.545 kgf]
• Mounting Any Position, vertical preferred Reliability
• Vibration 1 G, 20 – 100 Hz
• Testing 100 % Functionally Tested
• Ambient Temperature -40° to +185 °F [-40° to +85 °C]
• Relative Humidity up to 95 %
• All Surface Finishes Fungus proof and corrosion resistant
• RoHS Regulation Compliant

When wiring ESD5100 Series controllers:

• Use shielded cable for all external connections to the ESD controller.
• One end of each shield, including the speed sensor shield, should be grounded to a single point on the ESD case.
• Do not over-tighten terminals. Torque to no greater than 9.0 in-lb ±2.5 [1.01 ±0.28 N∙m].

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Specifications of the ESD5111 GAC Speed Controller

• Isochronous Operation ±0.25 % or better
• Speed Range /Governor 1 K – 7.5 K Hz Continuous
• Speed Drift with Temperature ±0.5 % Typical
• Idle Adjust CW MIN 1200 Hz Below set speed
• Idle Adjust CCW MIN. 4100 Hz Below set speed
• Droop Range 1 – 5 % Regulation
• Droop Adj. MAX (K-L Jumpered) 875 Hz., ±75 Hz per 1.0 A change
• Droop Adj. MIN (K-L Jumpered) 15 Hz., ±6 Hz per 1.0 A change
• Speed Trim Range ±200 Hz
• Remote Variable Speed Range 500 – 3.7 kHz
• Terminal Sensitivity J, L, N, P
• 115 Hz., ±15 Hz/V @ 5 K Impedance
• 735 Hz., ±60 Hz/V @ 65 K Impedance
• 148 Hz., ±10 Hz/V @ 1 M Impedance
• 10 V DC Supply @ 20 mA Max
• DC Supply 12 or 24 V DC Battery Systems (Transient – Reverse Voltage Protected)
• Polarity Negative Ground (case isolated)
• Power Consumption 100 mA (No actuator current)
• Speed Signal Range 0.5 – 50 V AC
• Actuator Current Range 10 A Peak @ 77 ° F [25 °C]
• Speed Signal Range 1.0 to 50.0 V AC
• Weight 1.2 lbf [0.545 kgf]
• Mounting Any Position, vertical preferred Reliability
• Vibration 1 G, 20 – 100 Hz
• Testing 100 % Functionally Tested
• Ambient Temperature -40° to +185 °F [-40° to +85 °C]
• Relative Humidity up to 95 %
• All Surface Finishes Fungus proof and corrosion resistant
• RoHS Regulation Compliant

When wiring ESD5100 Series controllers:

• Use shielded cable for all external connections to the ESD controller.
• One end of each shield, including the speed sensor shield, should be grounded to a single point on the ESD case.
• Do not over-tighten terminals. Torque to no greater than 9.0 in-lb ±2.5 [1.01 ±0.28 N∙m].

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The EG3000 controller receives the engine speed signal from a magnetic pickup (MPU). This rotational speed is compared with the setting in the EG3000 and any difference results in an output to the actuator to change the speed. DIP Switch settings on the EG3000 are used to select the frequency range for the MPU.

Specifications of the EG3000 Speed Controller

• Operating Voltage
  12 or 24 VDC ±20%
• Output Current
  0.5 ~ 15 A
• Run Speed Adjustment range
  Speed adjustment Potentiometer (30 turn)
  4 Segment Dip Switch Adjustable From 600 ~ 9500 Hz.
• Idle Speed Adjustment Range
  Run Speed 30 ~ 85%
• Ramp Time
  3 ~ 20 Sec
• Remote Speed Pot
  Ext. Remote speed pot terminal 6, 7, 8 (ILS) and 6, 7, 9
  connect a 5KΩ potentiometer ±5% adjustment range.
• Temp. Stability
  <0.01%
• Run Speed Stability
  ± 0.25 % at steady state
• MPU input signal
  1 ~ 120VAC RMS
• Droop
  4%
• Settings
  Run Speed, IDLE Speed, Ramp Time, Droop, PID settings : Gain, Integration (INT.), Differentiation (DIF.)
• Mechanical Vibration
  1G @ 18 ~ 30 Hz, 2.5G @ 48 ~ 70 Hz
• Relative Humidity
  < 95%
• Operating Temperature
  -40 ~ 85℃
• Storage Temperature
  -40 ~ 85℃
• Dimensions
  147mm L * 114mm W * 50mm H
• Weight
  690g ± 2%

Installation Instructions

• Protect the EG3000 by installing it inside the engine instrument control panel.
• Mount the Actuator close to the engine fuel system. Consult the instructions from the actuator manufacturer for installation.
• Choose a point on the actuator control arm at which it can rotate freely and provide both minimum and maximum fuel supply (Do not “bottom out” the actuator-leave at least 2-3 degrees before the On and Off positions).
• Usea linear link age for diesel pumps. Use a Non-Linear linkage on gas engines to obtain low Gain at light loads and high Gain at heavy loads.
• Mount the MPU on the flywheel housing to measure the rotational speed of teeth on the ring gear. (The timing gear housing can also be used if flywheel housing cannot be accessed.)

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The EG2000 receives the signal from the MPU and, depending on the engine RPM, the actuator controls the fuel intake on the engine. The EG2000 receives its power from the engine batteries or an AC to DC power supply rated from 12 or 24 VDC ±20% matching the Actuator voltage. The average operating current is around 2.5 to 3.5 amps, but it may reach 15 Amps during engine start or sudden load changes.

Specifications of the EG2000 Speed Controller

• Operating Voltage
  12 or 24 VDC ±20%
• Output Current
  0.5 ~ 15 A
• Run Speed Adjustment range
  Speed adjustment Potentiometer (30 turn)
  4 Segment Dip Switch Adjustable From 600 ~ 9500 Hz.
• Idle Speed Adjustment Range
  Run Speed 30 ~ 85%
• Ramp Time
  3 ~ 20 Sec
• Remote Speed Pot
  Ext. Remote speed pot terminal 6, 7, 8 (ILS) and 6, 7, 9
  connect a 5KΩ potentiometer ±5% adjustment range.
• Temp. Stability
  <0.01%
• Run Speed Stability
  ± 0.25 % at steady state
• MPU input signal
  1 ~ 120VAC RMS
• Droop
  4%
• Adjustment
  Run Speed, Idle Speed,
  Ramp Time, Droop, Gain, Integration
• Mechanical Vibration
  1G @ 18 ~ 30 Hz, 2.5G @ 48 ~ 70 Hz
• Relative Humidity
  < 95%
• Operating Temperature
  -40 ~ 85℃
• Storage Temperature
  -40 ~ 85℃
• Dimensions
  147mm L * 114mm W * 50mm H
• Weight
  690g ± 2%

Installation

• Protect the EG2000 by installing it inside the engine instrument control panel.
• Mount the Actuator close to the engine fuel system. See actuator manufacture instructions.
• Always choose a point on the actuator control arm in which it can rotate freely, providing minimum and maximum fuel (But do not bottom out the actuator; leave 2 to 3 degrees before the off and on position).
• Use a Non-Linear link on Gas engines to get low Gain at light loads and high Gain at heavy loads and a linear link on diesel ejection pumps.

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