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Governors America Corp. © 2021 Copyright All Rights Reserved
ESD5200 Series Speed Control Unit
1-2021-C3 PIB1030
ESD5200 Series
Speed Control Unit
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SPECIFICATIONS
PERFORMANCE
Isochronous Operation ± 0.25% or better
Speed Range / Governor
1 - 7.5 kHz continuous
Speed Drift with Temperature
±1% MAX
Idle Adjust Clockwise Minimum 1200 Hz below set speed
Idle Adjust Counterclockwise Minimum 4100 Hz below set speed
Droop Range 1 - 5% regulation
Droop Adj. Maximum
(K-L Jumpered)
875 Hz., ±75 Hz per 1.0 A change
Droop Adj. Minimum
(K-L Jumpered)
15 Hz., ±6 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 @ 5.0 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
INPUT / OUTPUT
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)
Actuator Current Range
@ 77°F (25°C)
10 A Continuous
Speed Sensor Signal 1.0 - 120.0 V AC
Speed Switch Relay Contacts MAX 10 A (N.O. and N.C.)
Speed Switch Adjustment
Range
1000-10000 Hz
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INTRODUCTION
RELIABILITY
Vibration 5 g @ 20 -500 Hz
Testing 100% Functional Testing
ENVIRONMENTAL
Operating Temperature Range -40° to 85°C [-40° to 185°F]
Relative Humidity up to 95%
Vibration 5 g @ 20-500 Hz
All Surface Finishes Fungus Proof, Corrosion Resistant
COMPLIANCE / STANDARDS
Agency CE and RoHS Requirements
PHYSICAL
Dimension See Outline Diagram
Weight 1.8 lbf [0.82 kgf]
Mounting Any position, vertical preferred
The ESD5200 Series speed control unit is designed to precisely con-
trol engine speed with rapid responses to transient load changes. The
ESD5221 is compatible with all GAC proportional actuators except the
ACB2001 electric actuator.
Ruggedly built to withstand all engine environments, the ESD can
control a wide variety of engines in an isochronous or droop mode.
Capabilities include:
• Overspeed Switch and LED Indicator
• Selectable Droop Operation
• Adjustable Idle Current
• Auxiliary Accessory Input
• Reverse Voltage Protection
• Single Element Speed Switch
• Speed Anticipation
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