Woodward 2300E User manual

Product Manual 26691
(Revision E, 7/2016)
Original Instructions
2300E Digital Load Sharing
and Speed Control for Engines
8273-1017 / Ordinary Locations
8273-1018 / Hazardous Locations
Installation and Operation Manual

General
Precautions
Read this entire manual and all other publications pertaining to the work to be
performed before installing, operating, or servicing this equipment.
Practice all plant and safety instructions and precautions.
Failure to follow instructions can cause personal injury and/or property damage.
Revisions
This publication may have been revised or updated since this copy was produced.
To verify that you have the latest revision, check manual 26455, Customer
Publication Cross Reference and Revision Status & Distribution Restrictions, on
the publications page of the Woodward website:
www.woodward.com/publications
The latest version of most publications is available on the publications page. If
your publication is not there, please contact your customer service representative
to get the latest copy.
Proper Use
Any unauthorized modifications to or use of this equipment outside its specified
mechanical, electrical, or other operating limits may cause personal injury and/or
property damage, including damage to the equipment. Any such unauthorized
modifications: (i) constitute "misuse" and/or "negligence" within the meaning of
the product warranty thereby excluding warranty coverage for any resulting
damage, and (ii) invalidate product certifications or listings.
Translated
Publications
If the cover of this publication states "Translation of the Original Instructions"
please note:
The original source of this publication may have been updated since this
translation was made. Be sure to check manual 26455, Customer Publication
Cross Reference and Revision Status & Distribution Restrictions, to verify whether
this translation is up to date. Out-of-date translations are marked with . Always
compare with the original for technical specifications and for proper and safe
installation and operation procedures.
Revisions—Changes in this publication since the last revision are indicated by a black line
alongside the text.
Woodward reserves the right to update any portion of this publication at any time. Information provided by Woodward is
believed to be correct and reliable. However, no responsibility is assumed by Woodward unless otherwise expressly
undertaken. Manual 26691
Copyright © Woodward, Inc. 2012–2016
All Rights Reserved

Manual 26691 2300E Digital Control
Woodward i
Contents
WARNINGS AND NOTICES.......................................................................... III
ELECTROSTATIC DISCHARGE AWARENESS ................................................IV
REGULATORY COMPLIANCE .......................................................................V
CHAPTER 1. GENERAL INFORMATION..........................................................1
Description..............................................................................................................1
References .............................................................................................................2
CHAPTER 2. INSTALLATION.........................................................................8
Introduction.............................................................................................................8
Unpacking...............................................................................................................8
Power Requirements..............................................................................................8
Location Considerations.........................................................................................9
Electrical Connections............................................................................................9
Shields and Grounding.........................................................................................10
LED System Status Indicators..............................................................................10
Potential Transformer Connections (Terminals 1–3) ...........................................11
Current Transformer Connections (Terminals 4–9) .............................................11
Real Power Load Calculation...............................................................................11
Load Share Lines (Terminals 10–12)...................................................................11
Power Supply (Terminals 48–50).........................................................................12
Discrete Inputs (Terminals 34–41) .......................................................................12
Actuator Output (Terminals 13–15)......................................................................13
Analog Inputs (Terminals 19–24) .........................................................................13
Speed Sensor (Terminals 25-30) .........................................................................14
Relay Driver Outputs (Terminals 42, 43, & 44–48) ..............................................14
4–20 mA Output (Terminals 16–17).....................................................................14
Communication Ports...........................................................................................15
CAN Communication Port (Terminals 51–54)......................................................18
Installation Check-out Procedure .........................................................................23
CHAPTER 3. GAP SOFTWARE AND COMMUNICATION PROCEDURES............24
Introduction...........................................................................................................24
GAP Software.......................................................................................................24
Control Assistant PC Interface .............................................................................26
CHAPTER 4. PRODUCT SUPPORT AND SERVICE OPTIONS...........................27
Product Support Options......................................................................................27
Product Service Options.......................................................................................27
Returning Equipment for Repair...........................................................................28
Replacement Parts...............................................................................................28
Engineering Services............................................................................................29
Contacting Woodward’s Support Organization ....................................................29
Technical Assistance............................................................................................30
APPENDIX A. 2300E CONTROL SPECIFICATIONS .......................................31
REVISION HISTORY ..................................................................................32
DECLARATIONS .......................................................................................33

2300E Digital Control Manual 26691
ii Woodward
Illustrations and Tables
Figure 1-1a. 2300E Outline Drawing (Ordinary Locations) ....................................3
Figure 1-1b. 2300E Outline Drawing (Hazardous Locations).................................4
Figure 1-2a. 2300E Control Wiring Diagram (sheet 1)...........................................5
Figure 1-2b. 2300E Control Wiring Diagram (sheet 2)...........................................6
Figure 1-2c. 2300E Control Wiring Diagram (notes)..............................................7
Figure 2-1. Installation of Wiring into Terminal.....................................................10
Figure 2-2. RS-232 Pin assignments for Serial Communication Cable ...............15
Figure 2-3. Typical RS-422 Communications Connections .................................16
Figure 2-4. RS-422 Terminator Locations............................................................16
Figure 2-5. Preferred Multipoint Wiring Using Shielded Twisted-pair Cable with a
Separate Signal Ground Wire..........................................................17
Figure 2-6. Alternate Multipoint Wiring Using Shielded Twisted-pair Cable without
a Separate Signal Ground Wire.......................................................18
Figure 2-7. CAN Cable Cross-Section..................................................................20
Figure 2-8. CAN System Wiring Example ............................................................21
Figure 3-1. Boot Mode Jumpers...........................................................................26
Table 2-1. CAN Specification ...............................................................................18
Table 2-2. Cable Specification..............................................................................19
Table 2-3. CAN-1 Wiring Limitations....................................................................22
The following are trademarks of Woodward, Inc.:
DSLC
The following are trademarks of their respective companies:
Modbus (Schneider Automation Inc.)

Manual 26691 2300E Digital Control
Woodward iii
Warnings and Notices
Important Definitions
This is the safety alert symbol. It is used to alert you to potential
personal injury hazards. Obey all safety messages that follow this
symbol to avoid possible injury or death.
DANGER—Indicates a hazardous situation which, if not avoided, will result
in death or serious injury.
WARNING—Indicates a hazardous situation which, if not avoided, could
result in death or serious injury.
CAUTION—Indicates a hazardous situation which, if not avoided, could
result in minor or moderate injury.
NOTICE—Indicates a hazard that could result in property damage only
(including damage to the control).
IMPORTANT—Designates an operating tip or maintenance suggestion.
Overspeed /
Overtemperature /
Overpressure
The engine, turbine, or other type of prime mover should be
equipped with an overspeed shutdown device to protect against
runaway or damage to the prime mover with possible personal injury,
loss of life, or property damage.
The overspeed shutdown device must be totally independent of the
prime mover control system. An overtemperature or overpressure
shutdown device may also be needed for safety, as appropriate.
Personal Protective
Equipment
The products described in this publication may present risks that
could lead to personal injury, loss of life, or property damage. Always
wear the appropriate personal protective equipment (PPE) for the job
at hand. Equipment that should be considered includes but is not
limited to:
Eye Protection
Hearing Protection
Hard Hat
Gloves
Safety Boots
Respirator
Always read the proper Material Safety Data Sheet (MSDS) for any
working fluid(s) and comply with recommended safety equipment.
Start-up
Be prepared to make an emergency shutdown when starting the
engine, turbine, or other type of prime mover, to protect against
runaway or overspeed with possible personal injury, loss of life, or
property damage.
Automotive
Applications
On- and off-highway Mobile Applications: Unless Woodward's control
functions as the supervisory control, customer should install a
system totally independent of the prime mover control system that
monitors for supervisory control of engine (and takes appropriate
action if supervisory control is lost) to protect against loss of engine
control with possible personal injury, loss of life, or property damage.

2300E Digital Control Manual 26691
iv Woodward
Battery Charging
Device
To prevent damage to a control system that uses an alternator or
battery-charging device, make sure the charging device is turned off
before disconnecting the battery from the system.
Electrostatic Discharge Awareness
Electrostatic
Precautions
Electronic controls contain static-sensitive parts. Observe the
following precautions to prevent damage to these parts:
Discharge body static before handling the control (with power to
the control turned off, contact a grounded surface and maintain
contact while handling the control).
Avoid all plastic, vinyl, and Styrofoam (except antistatic versions)
around printed circuit boards.
Do not touch the components or conductors on a printed circuit
board with your hands or with conductive devices.
To prevent damage to electronic components caused by improper
handling, read and observe the precautions in Woodward manual
82715, Guide for Handling and Protection of Electronic Controls,
Printed Circuit Boards, and Modules.
Follow these precautions when working with or near the control.
1. Avoid the build-up of static electricity on your body by not wearing clothing
made of synthetic materials. Wear cotton or cotton-blend materials as much
as possible because these do not store static electric charges as much as
synthetics.
2. Do not remove the printed circuit board (PCB) from the control cabinet
unless absolutely necessary. If you must remove the PCB from the control
cabinet, follow these precautions:
Do not touch any part of the PCB except the edges.
Do not touch the electrical conductors, the connectors, or the
components with conductive devices or with your hands.
When replacing a PCB, keep the new PCB in the plastic antistatic
protective bag it comes in until you are ready to install it. Immediately
after removing the old PCB from the control cabinet, place it in the
antistatic protective bag.

Manual 26691 2300E Digital Control
Woodward v
Regulatory Compliance
European Compliance for CE Mark
These listings are limited only to those units bearing the CE Marking.
Low Voltage Directive:
Directive 2014/35/EU on the harmonisation of the laws of
the Member States relating to the making available on the
market of electrical equipment designed for use within
certain voltage limits
ATEX –Potentially
Explosive Atmospheres
Directive:
Directive 2014/34/EU on the harmonisation of the laws of
the Member States relating to equipment and protective
systems intended for use in potentially explosive
atmospheres
Zone 2, Category 3, Group II G, Ex nA IIC T3 Gc X
Zone 2, Category 3, Group II G, Ex nA IIC T4 Gc X
EMC Directive:
Declared to Directive 2014/30/EU of the European
Parliament and of the Council of 26 February 2014 on the
harmonization of the laws of the Member States relating to
electromagnetic compatibility (EMC)
North American Compliance
These listings are limited only to those units bearing the appropriate CSA
identification and marking.
CSA: CSA Certified for Class I, Division 2, Groups A, B, C,
D, T3 or T4 Hazardous Locations and ordinary
locations at 70 °C ambient. For use in Canada and
the United States.
Certificate 1150575
NOTE—Wiring must be in accordance with applicable electric codes with the
authority having jurisdiction.
T3 when the Potential Transformer input is 240 Vac
T4 when the Potential Transformer input is 120 Vac
or less
Marine Compliance
American Bureau ABS Rules 2012 SVR 1-1-4/7.7, 1-1-A3, 4-2-1/7.3,
of Shipping: 7.5.1; 4-9-3/17, 4-9-4/23 & 4-9-7/Table 9 (as
appropriate)
Bureau Veritas: BV Rules for the Classification of Steel Ships,
Approval valid for ships intended to be granted with
the following additional class notations: AUT-UMS,
AUT-CCS, AUT-PORT and AUT-IMS.
China Classification CCS Chapter 2, Part Seven of CCS ~ “Rules for
Society: Classification of Sea-going Steel Ships~” 2012
Det Norske Veritas: Standard for Certification No. 2.4, 2006:
Temperature Class B, Humidity Class B, Vibration
Class A, EMC Class A, Enclosure B.

2300E Digital Control Manual 26691
vi Woodward
Lloyd’s Register LR Type Approval Test Specification No. 1, 2002 for
of Shipping: Shipping: Environmental Categories ENV1, ENV2
and ENV3
Nippon Kaiji Kyokai: Requirements specified in Chapter 1, Part 7 of
Guidance for the approval and Type Approval of
materials and equipment for Marine use and
relevant Society’s Rules.
Other International Compliance
Australia &
New Zealand:
Compliance is limited to application for those units
bearing the Regulatory Compliance Mark (RCM) or used in
applications where only EMC is applicable, such as
“Fixed Installations” where the RCM & a DoC are not required.
EMC:
The Electromagnetic Compatibility (EMC) portion of
RCM Declaration for the Australian Radio
Communications Act (with applicable amendments) is
a separate document only created for marked
products. The products with RCM on the label have a
DoC available, but all products comply with CISPR11
Group 1 Class A emissions per EN/IEC 61000-6-4 via
Electromagnetic Interference (EMI) testing. This
product is part of “Fixed Installations”.
Special Conditions for Safe Use:
The control must be installed in a suitable enclosure. The final combination must
be approved by the local authority having jurisdiction.
Connect the ground terminal to earth ground.
Use supply wire rated for minimum 75 °C
Use signal wire rated for a minimum of 240 Vac.
Per EN 60079-15:2010: Device meets ATEX Zone 2 requirements when installed
in an ATEX compliant IP54 or better enclosure.
T3 when the Potential Transformer input is 240 Vac.
T4 when the Potential Transformer input is 120 Vac or less.
EXPLOSION HAZARD—Do not remove covers or connect/disconnect
electrical connectors unless power has been switched off or the area
is known to be non-hazardous.
Substitution of components may impair suitability for Class I,
Division 2.
RISQUE D’EXPLOSION—Ne pas enlever les couvercles, ni
raccorder / débrancher les prises électriques, sans vous en
assurez auparavant que le système a bien été mis hors
tension; ou que vous vous situez bien dans une zone non
explosive.
La substitution de composants peut rendre ce matériel
inacceptable pour les emplacements de Classe I, Division 2.

Manual 26691 2300E Digital Control
Woodward 1
Chapter 1.
General Information
Description
The 2300E is a digital control that can be programmed with applicable application
software. This control is housed in a sheet metal chassis and consists of a single
printed circuit board. This control is designed to perform the speed and load
control functions for a small engine, steam turbine, or gas turbine. The 2300E
has no application software in it when shipped from Woodward, which allows it to
be configured and modified to meet site-specific requirements. It utilizes the
Woodward GAP 3.X software to create an application specific application
software that can be downloaded to the 2300E.
The 2300E has the following Woodward part numbers:
8273-1017
2300E Load Sharing and Speed Control, 24 Vdc input, Ordinary
Locations
8273-1018
2300E Load Sharing and Speed Control, 24 Vdc input, Hazardous
Locations
The control is housed in a sheet-metal chassis and consists of a single printed
circuit board. The 2300E is set up and configured through an external computer
connected at the 9-pin connector (RS-232 Port) at the front of the control. The
configuration software, Control Assistant, can be downloaded from our website at
www.woodward.com.
The 2300E has two serial communication ports, allowing it to easily interface with
a Human Machine Interface (HMI), PLC, or plant DCS. These configuration and
dynamic settings are set, changed, tuned, and saved via a laptop computer and
Woodward’s user-friendly Control Assistant software program. This program
allows users to set and adjust all application-based parameters, plus upload and
download configurations to and from the control. Woodward’s Toolkit software is
also capable of communicating to the 2300E
The 2300E Control Hardware includes:
1 Load Sensor
1 Actuator Driver
2 MPU Speed Sensors
1 Analog Output
2 Analog Inputs
8 Discrete (Switch) Inputs
4 Discrete (Relay Driver) Outputs
2 Serial Ports
1 CAN Port
The following is an example of the typical hardware needed for a 2300E system
controlling a single prime mover and generator:
A 2300E electronic control
An external 18 to 36 Vdc power source
Two speed-sensing devices, typically magnetic pickups (MPUs)
A proportional actuator to position the fuel-metering device
Current and potential transformers for measuring the load carried by the
generator

2300E Digital Control Manual 26691
2 Woodward
The frequency from the magnetic pickup must be within the range of 100 to 25
000 Hz at rated speed. The 2300E speed range needs to be configured using an
external computer during installation.
References
The following publications contain additional product or installation information on
Load Sharing and Speed Controls, and related components. They can be
ordered from any Woodward office.
Manual Title
25070 Electric Governor Installation Guide
25195 Governing Fundamentals
82510 Magnetic Pickups and Proximity Switches for Electric Governors
82715 Guide for Handling and Protection of Electronic Controls, Printed
Circuit Boards, and Modules
Product
Spec Title
03405 2300E Digital Load Sharing and Speed Control Hardware
82516 EG-3P/3PC Actuator
82575 EGB-1P/2P Governor/Actuator

Manual 26691 2300E Digital Control
Woodward 3
Figure 1-1a. 2300E Outline Drawing (Ordinary Locations)

2300E Digital Control Manual 26691
4 Woodward
Figure 1-1b. 2300E Outline Drawing (Hazardous Locations)

Manual 26691 2300E Digital Control
Woodward 5
Figure 1-2a. 2300E Control Wiring Diagram (sheet 1)
A
ACTUATOR
B
WARNI NG
3
9
8
7
6
5
4
A
B
C
OPTIONAL CURRENT
TRANSFORMER CONNECTION
2
AMMETERS, ETC
ON SWI TCHBOARD 8
MPU SPEED INPUT #1
(1- 30 V AC)
ANALOG I NPUT #2
(0- 5 V DC, 4- 20mA, OR 2.5 V DC)
ANALOG I NPUT #1
( 2.5 V DC)
ANALOG OUTPUT
4- 20mA
ACTUATOR OUTPUT
0- 20mA OR 0- 200mA
LOAD SHARE
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
1
1
1
1
1
1
1
4
AMMETERS, ETC
ON SWI TCHBOARD 8
TO V OLTMETER, ETC
ON SWI TCHBOARD
MAI N
BUS
CIRCUIT
BREAKER
WARNI NG
3
90- 240 V AC
45- 66 HZ
POTENTI AL
V OLTAGE
5
A
B
C
GENERATOR 4
4
6
DETAI L "A"
2
2
2
28
29
30 1
MPU SPEED INPUT #2
(1- 30 V AC)
10

2300E Digital Control Manual 26691
6 Woodward
Figure 1-2b. 2300E Control Wiring Diagram (sheet 2)
RT-
T-
R-
RT+
9
6
7
8
GND
R+
T+
1
2
3
4
5
RS- 422 PORT
9
6
7
8
COM
TX
RX
1
2
3
4
5
RS- 232 PORT
(9- DF)
SERI AL I / 0
DISCRETE OUTPUT
DISCRETE INPUTS
(APPLY +24V TO ACTIV ATE)
7
24V DC OUTPUT
POWER FOR
DISCRETE INPUTS
J UMPER I F USI NG INTERNAL
POWER FOR DISCRETE I NPUTS
+12/ 24 V DC
RELAY DRI V ER POWER
INPUT
(0.8 AMP MAX)
INPUT POWER
(18- 36 V DC, 0.6 AMP MAX)
COM
DI- A
DI- B
DI- C
DI- D
DI- E
DI- F
DI- G
DI- H
DO- 1
DO- 2
DO- 3
DO- 4
CHASSI S GROUND
31
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
CAN GND
CAN HIGH
9
9
9
9
10 CAN LOW
CAN SHI ELD

Manual 26691 2300E Digital Control
Woodward 7
Figure 1-2c. 2300E Control Wiring Diagram (notes)
OPTIONAL SEE BOM
10
SHIELDED WIRES TO BE TWI STED PAIRS, WITH
SHIELD GROUNDED AT CONTROL END ONLY.
POI NT OF GROUNDI NG IF REQUIRED BY WIRI NG CODE.
INTERNAL CURRENT TRANSFORMER BURDEN MUST BE
CONNECTED ACROSS POWER SOURCE CURRENT TRANSFORMER
AT ALL TI MES, TO PREV ENT LETHAL HI GH V OLTAGES.
POWER SOURCE CURRENT TRANSFORMERS SHOULD BE
SIZED TO PRODUCE 5A SECONDARY CURRENT WITH
MAXI MUM GENERATOR CURRENT. CURRENT TRANSFORMER
BURDEN I S LESS THAN 0.1 V A PER PHASE.
WITH A BALANCED THREE PHASE LOAD AND UNITY
POWER FACTOR, THE CURRENT TRANSFORMERS
SHOULD BE WIRED IN THE CORRECT POTENTIAL LEG
AND MUST BE PHASED AT THE CONTROL AS FOLLOWS:
PHASE A: POTENTI AL TERMINAL 1, WITH RESPECT
TO NEUTRAL, IN PHASE WITH CT
TERMINALS 4 ( ) TO 5.
PHASE B: POTENTI AL TERMINAL 2, WITH RESPECT
TO NEUTRAL, IN PHASE WITH CT
TERMINALS 6 ( ) TO 7.
PHASE C: POTENTIAL TERMINAL 3, WITH RESPECT
TO NEUTRAL, IN PHASE WITH CT
TERMINALS 8 ( ) TO 9.
FOR OPTIONAL CURRENT TRANSFORMER CONNECTION, SEE DETAI L "A".
DO NOT USE FOR EMERGENCY SHUTDOWN.
THE PRIME MOV ER SHOULD BE EQUIPPED WI TH SEPERATE
OV ERSPEED, OV ERTEMPERATURE OR OV ERPRESSURE SHUTDOWN
DEV I CE(S) TO PROTECT AGAI NST RUNAWAY OR DAMAGE TO THE
PRIME MOV ER WITH POSSI BLE PERSONAL I NJ URY OR LOSS OF LI FE.
IF METERS ARE NOT USED, J UMPERS MUST BE
INSTALLED I N PLACE OF METERS SHOWN.
INDI CATES RELAY COIL OR LAMP, 200 mA MAXI MUM PER CHANNEL.
WARNING:
1
2
3
4
5
6
7
8
9

2300E Digital Control Manual 26691
8 Woodward
Chapter 2.
Installation
Introduction
This chapter contains general installation instructions for the 2300E control.
Power requirements, environmental precautions, and location considerations are
included to determine the best location for the control. Additional information
includes unpacking instructions, electrical connections, and an installation check-
out procedure.
Due to typical noise levels in engine and turbine environments,
hearing protection should be worn when working on or around the
2300E.
The surface of this product can become hot enough or cold enough
to be a hazard. Use protective gear for product handling in these
circumstances. Temperature ratings are included in the specification
section of this manual.
External fire protection is not provided in the scope of this product. It is
the responsibility of the user to satisfy any applicable requirements for
their system.
Unpacking
Before handling the control, read all of this chapter and “Electrostatic Discharge
Awareness” at the beginning of this manual. Be careful when unpacking the
electronic control. Check the control for signs of damage such as bent or dented
panels, scratches, and loose or broken parts. If any damage is found,
immediately notify the shipper. Do not take the control out of the ESD bag it ships
in until ESD precautions are in place. Keep yourself discharged while handing
the unit outside the ESD bag, at least until it is grounded.
Power Requirements
The 2300E control requires a voltage source of 18 to 36 Vdc, with a current
capacity of at least 600 mA for operating power. If a battery is used for operating
power, an alternator or other battery charging device is necessary to maintain a
stable supply voltage. The battery charging device should be suppressed from
load dump events or the power bus must have central suppression. The 2300E
does not have sufficient capability to withstand all battery load dump events.
To prevent damage to the control, make sure that the alternator or
other battery-charging device is turned off or disconnected before
disconnecting the battery from the control.

Manual 26691 2300E Digital Control
Woodward 9
Location Considerations
This product is intended for installation in a “closed electrical operating area” or in
an enclosed industrial control cabinet. Consider these requirements when
selecting the mounting location:
Adequate ventilation for cooling
Space for servicing and repair
Protection from direct exposure to water or to a condensation-prone
environment
Protection from high-voltage or high-current devices, or devices which
produce electromagnetic interference (segregate the unit and wiring by at
least 15 cm (6 inches).
Avoidance of vibration
Selection of a location that will provide an operating ambient air temperature
range of –40 to +70 °C (–40 to +158 °F) at the control
The control must NOT be mounted on the engine.
Electrical Connections
All inputs and outputs are made through screwless spring-actuated terminal
blocks. Use ESD precautions noted above when installing the wiring to prevent
damage due to ESD.
The spring clamp can be actuated by using a standard 2.5 mm or 3/32 inch flat
bladed screwdriver. The terminal blocks accept wires from 0.08–4 mm²
(27–12 AWG). Two 18 AWG or three 20 AWG wires can be easily installed in
each terminal. Wires for the fixed mounted power terminals should be stripped
5–6 mm (0.22 inch) long.
Do not tin (solder) the wires that terminate at the terminal blocks. The
spring-loaded terminal blocks are designed to flatten stranded wire,
and if those strands are tinned together, the connection loses
surface area and is degraded.
Due to the hazardous location listings associated with this product,
proper wire type and wiring practices are critical to operation.
Do not connect any cable grounds to “instrument ground”, “control
ground”, or any non-earth ground system. Make all required
electrical connections based on the wiring diagrams (Figures
1-2a/b/c).
Cabling and installation wiring can affect the Electromagnetic Compatibility
(EMC) of the device, its ability to operate in an environment without being
interfered with, or interfering with other devices. Often other controls are installed
in the same enclosure, too. To address EMC concerns, it is recommended that
all low-current wires be separated from all high-current wire and similarly for
high-voltage and low-voltage wiring. For example, relay contact wiring and
electric motor drive or ignition system wiring should be at least 30 cm (12 inches)
from any 2300E wiring. And for example, analog inputs/output wiring should be
separated from power wiring by at least 15 cm (6 inches).

2300E Digital Control Manual 26691
10 Woodward
Shields and Grounding
An individual shield termination is provided at the terminal block for each of the
signals requiring shielding. All of the inputs having a shield pin should be wired
using shielded, twisted-pair wiring. The optimum exposed wire length beyond the
shield should be limited to 25 mm (1 inch); however, up to 75 mm (3 inches) may
be used.
Relay outputs, contact inputs, and power supply wiring do not normally require
shielding, but can be shielded if desired. Shields should terminate to chassis and
may be direct or share a shield pin except the AI or CAN shields.
The 2300E is designed for shield termination to earth ground at the control. If
intervening terminal blocks are used in routing a signal, the shield should be
continued through the terminal block. If shield grounding is desired at the
terminal block, it should be ac coupled to earth with a capacitor. All other shield
terminations except at the control (in the field) should be ac coupled to earth
through a capacitor. A 1000 pF, 500 V capacitor is typically sufficient, however
1–10 nF, 500–1500 V may be used or needed, and 1000 pF (1 nF) 1000 V is
recommended. The intent is to provide a low impedance path to earth for the
shield at frequencies of 150 kHz and up. Multiple direct connections of a shield to
earth risk high levels of current to flow within the shield (exception, see note
below on cabinet installations).
Shields can be grounded at both ends (2300E and load) if the cable length is
sufficiently short (i.e., within a cabinet, less than about 10 m straight line between
the ground points) to prevent ground loop current in the shield.
Cabinet Installations: If the 2300E is installed in a cabinet, shielded
I/O can be terminated directly to the cabinet (earth ground) at the
entry/exit of the cabinet, as well as at the control (recommended).
Installation concerns associated with wiring in systems with other
devices are addressed in the electrical connections section.
Figure 2-1. Installation of Wiring into Terminal
LED System Status Indicators
The LED located between terminals 30 and 31 is a two colored LED. The
following provides the functions of the LED status:
LED Off = Power Off
LED Green = System On
LED Solid Red = I/O Lock
LED Flashing Red = Fault (This indicates a major problem and should be
returned to Woodward for service).

Manual 26691 2300E Digital Control
Woodward 11
Potential Transformer Connections (Terminals 1–3)
Connect the potential transformer secondary leads to the following terminals:
Phase A to terminal 1
Phase B to terminal 2
Phase C to terminal 3
The potential transformer secondaryline-to-line voltagemust produce 90 to 120 Vac or
200to 240 Vac. The PT and CT input connections are not needed if using a DSLC for
loadsharing orloadcontrol. Refer to the plant wiring diagram, Figure 1-2.
Current Transformer Connections (Terminals 4–9)
The standard method of connecting the current transformers is shown in the
plant wiring diagram, Figure 1-2. An alternate method is the open delta
connection shown in the insert in the plant wiring diagram.
Real Power Load Calculation
The control uses the equation Power = 3 * V * I * P.F. where V = Voltage, I =
current, and P.F. = Power Factor. In the 2300E, the PT Voltage part of the
equation is deemed to be constant. Therefore if the Voltage on the system
changes, the calculated Power will change a small amount.
Load Share Lines (Terminals 10–12)
The Load Share Lines provide an analog communication path between
compatible controls. The 2300E provides an internal relay for connecting the
Load Share Signal to the internal circuitry at the appropriate times. When the
internal relay is closed, a green LED will illuminate between terminals 9 and 10.
Because the load-sharing-line relay is contained in the control, no relay is
required between the control and the load-sharing-line bus.
Do not touch Load Share pins without discharging ESD to physical
earth first and making sure the control’s PE terminal is connected to
physical earth before wiring.
The load share signals have 4 kV ESD withstand when the control is
not grounded rather than 8 kV or more on other pins. (Load Share
Lines have at least 7 kV withstand when the control is grounded.)
Greater than 4 kV ESD events are uncommon in the typical
installation environment, but may happen.
Use shielded cable and connect the load-sharing lines directly to terminals 10(+)
and 11(–). Connect the shield to terminal 12(chassis). When all controls in the
system are of the 2300E, 2301D, or 2301A types, the shields may be connected
continuously between controls. When load sharing with different controls, do not
connect the shields at the point where connections are made to the load-sharing-
line bus or if needed, connect only through a capacitor. The droop contact for
selecting droop or isochronous operation is wired in series with the circuit-
breaker auxiliary contact between terminal 37 and terminal 31 (see CB
Aux/Droop contact).

2300E Digital Control Manual 26691
12 Woodward
When running a single unit on an infinite bus with an external load control device,
terminals 37 and 40 must be connected to terminal 31 to connect the Load
Matching Circuit to the load-sharing lines. The load-sharing lines must be wired
to the external load control device. The circuit-breaker auxiliary contact will then
be connected to this device and not to the 2300E.
Power Supply (Terminals 48–50)
Run the power leads directly from the power source to the control, connecting the
negative lead to terminal 49, and the positive lead to terminal 48. Pin 50 is
provided as an optional Physical Earth (PE) wire landing point in addition to the
PE Ground stud, in case the particular installation requires a PE wire to be run
with dc power. Either both grounds must be connected or just the PE stud
connected to the cabinet/chassis, as Physical Earth though a 30 cm long by
13 mm wide (12 inches long, ½ inch wide) or shorter flat hollow braid or
comparable surface area wire, the ratio of copper surface to length may be used
to provide shorter smaller grounding wires.
When power is applied, the 2300E begins performing internal memory tests to
‘boot-up’ the processor, which takes approximately 2 seconds to complete. The
CPU Status LED between terminals 30 and 31 remains on during this boot-up.
The control will remain in I/O lock and will not control the prime mover until the
boot-up is complete. For systems requiring fast start functions, it will be
necessary to continuously power the 2300E.
DO NOT attempt to start the prime mover while the CPU Status LED
is RED.
DO NOT apply power to the control at this time. Applying power
before a control is completely connected may damage the control.
The 18–36 Vdc input power must be supplied from a power
supply/battery charger certified to IEC standard with SELV (Safety
Extra Low Voltage) classified output. The installer should properly
size wiring and fusing for the input power and PT/CT circuits.
Discrete Inputs (Terminals 34–41)
Discrete inputs are the switch or contact input commands to the 2300E control.
They interact in such a way as to allow engine control and power management
under a variety of conditions. (Note double pole configuration below for critical
I/O going between points physically > 30 m in length apart.)
The following example is using the default logic for the discrete inputs. Positive
Voltage is supplied to the discrete input terminal when an input switch or relay
contact closes. This will cause the input state for that discrete input to be
“TRUE”. The input terminal will be open circuited when the input switch or relay
contact opens. This will cause the input state for that discrete input to be
“FALSE” . When the input switch or relay contact is closed, the voltage supplying
the discrete inputs should be present from the appropriate discrete input
(terminal 34, 35, 36, 37, 38, 39, 40, or 41) to terminal 33 (common). Terminal 33
is the common return path for all of the discrete input channels. A lower voltage
indicates that the switch contacts have too high a resistance when closed and
should be replaced. These terminals must be isolated from ground.