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723PLUS
The Woodward 723PLUS Digital Control manages and controls reciprocating engines (gas, diesel, or dual fuel) used in power generation, marine propulsion, and gas compression/distribution. The control may also be used in cogeneration, power transmission/distribution, process management, pipeline pump stations, utility power generation, emergency standby power, and remote control station operation. The 723PLUS provides state-of-the-art control for new and retrofit situations.
733 Digital Control
The 733 Digital Control manages and controls reciprocating engines (gas, diesel, or dual fuel) used in power generation, marine propulsion, locomotive and industrial engine, and process markets. The 733 has been specifically designed to enable it to be mounted directly on the engine, withstanding the high temperature and vibration environment. The 733 can also be mounted inside control cabinets if required.The 733 is available as a standalone speed control with functions and configuration similar to other Woodward digital controls such as 723 (including plug-and-play network connectivity to the Woodward ProAct™ Digital Actuator family for an all-electric governing solution that can be engine mounted), and it is available as the main control unit within an engine management system. The control is designed for network connectivity to other Woodward or customer-selected devices, such as I/O modules (remote or integrated within the 733 package), actuators, ignition controls, air/exhaust and fuel flow control valves, power management controls, and EFI solenoid drivers. It may be programmed to perform all engine functions such as speed, air and fuel control, monitoring, alarms, engine protection and sequencing. Learn more from 733 product spec 03304.
721
The 721 Digital Control can share load between multiple engines driving a common mechanical or electrical load. It offers automatic bumpless transfer of load between engines and adjustable load and unload ramp rates. The control also provides a limiter to prevent engine overfueling or flooding during start-up. The 721 control governs gas or diesel reciprocating engines driving generators through flexible couplings. Using inputs from both the engine and generator sides of the coupling, the 721 control filters out torsionals in the speed signals, thus improving transient performance without sacrificing steady-state stability.
In-PulseTM
The In-PulseTM system has been developed to control a range of Woodward electrical low-pressure gas admission valves and electric-hydraulic high-pressure rail valves. These valves provide a means of injecting fuel or other fluids into engines operating within a speed range of 1 to 2100 rpm (range depends on the valve being driven). Plate type solenoid operated gas admission valves (SOGAVs) are suitable for in-manifold injection only, whereas the rail valve provides actuation of both in-cylinder and in-manifold type injection devices. Learn more from In-Pulse product spec 03543.
In-PulseTM II
The In-PulseTM II fuel injection control manages and controls electronically fuel injected (EFI) reciprocating engines (gas, diesel, or dual fuel) used in power generation, marine propulsion, locomotive and industrial engine, and process markets. The In-Pulse II manages the core fuel system and injection events for many EFI fuel systems, including electronic unit injectors and pumps (EUI/EUP), common rail systems (C-R), SOGAV™ Solenoid Operated Gas Admission Valves, micro pilot injection systems, and electronic rail valves (ERV). The In-Pulse II can mount directly on the engine, withstanding the high temperature and vibration environment. The In-Pulse II can also be mounted inside nearby control cabinets if required. Learn more from In-Pulse II product spec 03315.
 Atlas-IITM Control Platform
The Atlas-IITM control is an industrial platform that offers robust, low-cost control for a wide variety of turbine, engine, and compressor applications. This control is designed to integrate into the modern plant architecture through the use of Ethernet and fieldbus communication protocols. Four Ethernet ports and add-on fieldbus communication modules allow for the network flexibility and redundancy necessary for today's communication architectures. With a proven real-time operating system and dedicated inputs and outputs, the Atlas-II provides reliable and deterministic performance for key prime mover control functionality. Less critical control functionality can be added into the Atlas-II through the use of free-time programming structures and distributed I/O. The Atlas-II programmable control is designed specifically for prime mover control applications such as gas turbines, compressor control and protection,·gas and diesel engines, steam turbines, hydro turbines. Learn more from Atlas-II product spec 03346.
2301A Speed Control
The 2301A Speed Control controls the speed or load of diesel or gas engines, or steam or gas turbines. The unit provides control in the isochronous mode, with droop available through an externally wired potentiometer. The isochronous mode is used for constant speed of the controlled prime mover as long as it is able to provide power to satisfy the load. Learn more from 2301A product spec 82021 or 2031A with 4-20 mA Input product spec 02301.
2301A Load Sharing and Speed Control
The 2301A Load Sharing and Speed Control with temperature Limiting or Process Limiting is used in electric generator systems for which load sharing is desired. It can be used with diesel or gas engines, or steam or gas turbines, and is compatible with all Woodward electronic controls. Learn more from these 2301A product specs:
82390—2301A LSSC
82047—2301A LSSC with Dual Dynamics
82387—2301A LSSC with Temp./Process Limiting
2301D Digital Load Sharing and Speed Control
The 2301D Digital Load Sharing and Speed Control is used in electric generator systems for which load sharing is desired. It can be used with diesel or gas engines, or steam or gas turbines and is compatible with all Woodward electronic controls. This control utilizes a 376 processor based speed control and provides a single serial port for PC communications. The digital design eliminates the use of potentiometers for tuning and load control. Learn more from 2301D product spec 03204.
FAQ (Frequently Asked Questions) page about the 2301D
 SG 2D Digital Speed Governor
The SG 2D is designed as a universal digital speed governor for combustion engines. It is configured via a PC using a direct configuration cable (DPC) and a PC software tool. Tuning of the SG 2D can also be carried out with the control's pushbuttons and four-digit display. The SG 2D is designed to drive a variety of electric actuators such as solenoid style (rotary or linear) or a smart actuator via a PWM control signal. The SG 2D has adjustable overspeed protection, adjustable maximum fuel limit, and adjustable actuator droop. Learn more from SG 2D product spec 03258.
IKD 1 Digital I/O Expansion Board
The IKD 1 is an "Intelligent Terminal" or "Extension Board". It allows an additional 8 discrete inputs and 8 relay outputs to be connected, via CAN bus, to other Woodward products such as the GCP-30 Series controller. Each input can be assigned a name, alarm class, NO/NC configuration and time delay. The name and class are then displayed on the digital readout panel on the controller face. The IKD 1 output relays are controlled over the CAN bus connection from the main controller. Configuration for the IKD 1 is also accomplished from the main controller by a code entered via the controllers relay manager.
Watch Window Standard PC Software
Watch Window Professional PC Software
Watch Window software is a service tool designed for technicians and engineers applying or maintaining Woodward control systems. It replaces many of the meters and screwdrivers of yesterday. Three versions meet varying control and customer needs (Watch Window Standard for "standard" controls, Watch Window Professional for custom controls needing serial connectivity, and Watch Window II Professional for custom controls needing Ethernet connectivity. Learn more from Watch Window Standard product spec 03202 or Watch Window Professional product spec 03220.
GAPTM Graphical Application Programmer
Woodward's Graphical Application Programmer (GAPTM) is a Windows based software program that allows controls engineers to create block format application programs for a number of Woodward control systems. Once the control logic is entered using the program's graphical programming environment, the GAP software compiler function generates code that runs in the control. GAP software blocks are written in C code, which is a transportable language, allowing it to be used on many different hardware platforms. Because of this feature, the same control logic software that has been used and proven in thousands of controls is available for use in the creation of future controllers, without introducing system bugs. Learn more from GAP product spec 03216.
The Advanced Proportional Engine Control System (APECS®) provides isochronous engine governing through a wide speed range. The system consists of a powerful microprocessor-based controller driving a precision proportional actuator that is connected to the engine’s throttle.
 APECS® 500—The APECS 500 single speed controller is designed to meet the needs of the small genset market where simplicity, ease of operation, and low cost are key features. The controller combines the convenience of manual adjustments with the flexibility of a computer-based calibration tool. Electrical connections consist of six wires to battery, actuator and magnetic engine speed pickup. For most applications, the APECS 500 can be connected and adjusted with simple hand tools. The APECS 500 controls and limits engine speed by adjusting the fuel control lever with a proportional actuator. As shipped from the factory, the APECS 500 can be manually adjusted for stable operation on most applications that supply a magnetic pickup frequency of 2500 to 5000 Hz.
More information about the Woodward APECS 500 control
 APECS® 4500—The APECS 4500 electronic controller provides maximum control and optimal engine performance. By adjusting the fuel control lever with a Woodward proportional actuator, the 4500 system controls and limits engine speed. By adjusting to load, temperature and fuel quality it optimizes your engine’s operating efficiency.
More information about the Woodward APECS 4500 control
 APECS® 5000—This newest addition to the APECS series of programmable engine controllers applies Woodward's advanced digital governing technology to stepper motors. Designed as an economical means of throttle actuation in small spark ignition engines, the APECS 5000 is also an excellent engine protection system.
More information about the Woodward APECS 5000 control
 DPG-2100 Series Digital Control—The DPG-2100 is used primarily to govern diesel or gas fueled engines in genset applications. This microprocessor based, digital controller performs across a wide speed range and allows adjustment of Set Speed and Gain with the built-in user interface. The COMM port provides access to all other governor settings, allowing adaptation to each application. Separately programmable Proportional, Integral, and Derivative gains are provided for tailoring governor response to many engine applications. This governor delivers fast engine response to speed or load change while providing precise stable isochronous operation. Learn more from DPG-2100 product spec 36502.
 DPG-2200 Series Digital Control—The DPG-2200 is used primarily to govern diesel or gas fueled generator set engines. This microprocessor based, digital controller performs across a wide speed range and allows adjustment of all governor features through the built-in user interface. Separately programmable Proportional, Integral, and Derivative gains are provided for tailoring governor response to many engine applications. This governor delivers fast engine response to speed or load change while providing precise stable isochronous operation. This governor can also provide droop speed control with 100 user selectable droop levels. Learn more from DPG-2200 product spec 36503.
 DPG-2300 Digital Control—The DPG-2300 Series is used primarily to govern diesel or gas fueled engines of off-highway mobile vehicles. This microprocessor based, digital controller performs across a wide speed range and allows adjustment of all governor features through the built-in user interface. Separately programmable Proportional, Integral, and Derivative gains are provided for tailoring governor response to many engine applications. This governor delivers fast engine response to speed or load change while providing precise stable isochronous operation. Learn more from DPG-2300 product spec 36504.
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