background image

1

Governors America Corp. © 2021 Copyright All Rights Reserved

ESD5500-II Fusion Series Speed Control Unit  1-2020-A4    PIB2180 

ESD5500-II Fusion Series

Speed Control Unit

2

SPECIFICATIONS

Performance

Isochronous Operation

± 0.25 % or better

Speed Range / Governor

1 - 7.5 KHz 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 Adj. Max. 

(K-L Jumpered)

400 Hz., ±75 Hz per 1.0 A change

Droop Adj. Min. 

(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

Terminal Sensitivity                        

J

L

N

P

100 Hz, ±15 Hz/V @ 5 KΩ Impedance

735 Hz, ±60 Hz/V @ 65 KΩ Impedance

148 Hz., ±10 Hz/V @ 1 MΩ Impedance

10 V DC Supply @ 20 mA MAX

Reverse Power Protection

Yes

Transient Voltage Protection

60 V

reLIaBILITY

Vibration

1 g @ 20-100 Hz

Testing

100 % Functionally Tested

InPUT / oUTPUT

DC Supply

12 - 24 V DC Battery Systems 

Transient and Reverse 

Voltage Protected

Polarity

Negative Ground (Case Isolated)

Power Consumption

50mA continuous plus actuator current

Speed Signal Range

1.0 - 50.0 V AC

Actuator Current

@ 77°F [25°C]

8 A MAX Continuous

Speed Sensor Signal

1.0 - 120 V RMS

envIronmenTaL

Ambient Temperature

-40° to 85 °C [-40° to 180 °F]

Relative Humidity

up to 95%

All Surface Finishes

Fungus-Proof and Corrosion-Resistant

PHYSIcaL

Dimension

See Section 3, Installation

Weight

1.8 lbf [820 gf]

Mounting

Any position, vertical preferred

comPLIance / STanDarDS

Agency

CE and RoHS Requirements

1

OVERVIEW

The ESD5500-II speed control unit is designed to precisely control 

engine speed with rapid responses to transient load changes. The 

ESD5500-II speed control is compatible with all GAC proportional actua-

tors except the ACB2001 electric actuator since this high torque actuator 

also requires current limiting available in the ESD5300 Series.  

Ruggedly built to withstand all engine environments, the ESD5500-II 

has all the same well known features of the ESD5500 and also incorpo-

rates selectable light-force for low current actuators, dither for difficult 

engines with respect to stability and integrated anti-windup for both 

diesel and gaseous application.

• 

Variable Speed Operation

• 

Adjustable Droop and Idle

• 

Reverse Battery Voltage Protection

• 

Selectable light-force and Dither

• 

Soft Couple and Lead Circuit Options

Summary of Contents for Fusion Series

Page 1: ...Speed Signal Range 1 0 50 0 V AC Actuator Current 77 F 25 C 8 A MAX Continuous Speed Sensor Signal 1 0 120 V RMS Environmental Ambient Temperature 40 to 85 C 40 to 180 F Relative Humidity up to 95 All...

Page 2: ...SD controller 2 One end of each shield including the speed sensor shield should be grounded to a single point on the ESD case 3 Terminal A B E and F should be 16 AWG or larger Long cables require incr...

Page 3: ...2 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 A 15 amp fuse mus...

Page 4: ...ol When the engine is at idle speed the speed control unit applies droop to the speed controller to ensure stable operation Gain Middle Position 50 Stability Middle Position 50 Speed Middle Position 5...

Page 5: ...procedure steps 1 3 as the Gain parameter Gain Stability Start Fuel Speed Fuel Ramp Start the engine and accelerate directly to the operating speed METHOD 1 Procedure 1 Remove the connection between T...

Page 6: ...an damage the speed control unit Never jumper Terminal P directly to Terminal N Droop is typically used for paralleling engine driven generators When in droop operation the engine speed will decrease...

Page 7: ...ce Defective speed sensor 3 P G 10 V DC Internal Supply Short on Terminal P Defective speed control unit 4 F A 1 0 2 0 V DC while cranking Speed parameter set too low Short open in actuator wiring Def...

Page 8: ...stem or b 14 V for a 24 V DC system Then Check or replace battery Momentarily connect Terminals A and F The actuator should move to the full fuel position Actuator or battery wiring in error Actuator...

Reviews: