Press release
Diesel Engine Monitoring System for Dredge Barge Engines Emissions & Maintenance
dataTaker Solution Helps Keep NY Waterway Open for BusinessA considerable amount of the seagoing freight enters the US through New York Harbor, one of the world’s largest and busiest. Keeping the harbor navigable is a full-time job that requires constant dredging to allow large oceangoing vessels safe access to the freight terminal. Each of these dredging barges utilizes multiple diesel engines to run its generators to power all the onboard equipment. Dredging operations are overseen by the EPA and the Army Corps of Engineers so it is essential for barge crews to continually monitor these large engines and record engine parameters to maintain operations and emissions levels to avoid potential fines for exceeding EPA emission regulations. A diesel engine monitoring system was the necessary solution.
In March of 2011 CAS DataLoggers provided the solution for R.A. Mitchell Co. Inc., an emergency generator and marine services dealer. Their customer operates one of these dredge barges and needed “a bulletproof way to get the data,” specifying that they wanted all the engine data in one format so workers would only have to use a single process for all their different types of equipment.
Installation
To provide continuous monitoring, each diesel engine was fitted with a dataTaker DT80 Data Logger and where appropriate, a CANgate CANbus to Serial Gateway. At a minimum, both run time and fuel consumption are recorded for each engine. When applicable, the dataTaker also monitors engine RPM, engine load and coolant temperatures in order to evaluate engine performance.
Usage – Newer Engines
On newer engines, all of these parameters are typically available from the engine ECU (Engine Control Unit) via the CANbus. For example in the barge’s crane cab, a dataTaker DT80 and CANgate are installed in a control cabinet located near the operator’s seat, mounted on a diesel generator and wired to the generator and an engine control unit (ECU). Using the dataTaker CANgate bundled with the DT80 data logger allows periodic recording of all of the critical engine parameters in real-time. Using one of the digital inputs of the data logger wired to a simple oil pressure switch as a trigger allows recording of data only when the engine is actually in operation. Users can flexibly configure the CANgate to choose the signals they want to log at any given time, apply statistical functions (average, min/max), and pick the format in which data is returned before the CANgate passes this data on to the DT80 for storage.
Usage – Older Engines
The older engines that do not have an ECU are monitored using a DT80 data logger without the CANgate add-on. These engines are simply fitted with sensors monitoring data points that would normally be available on the CANbus in newer engines. Sensors include magnetic pickups for engine RPM, thermocouples for temperatures, and a flow meter for fuel flow. Utilizing its universal analog inputs and digital inputs (some as high-speed counters) allows the DT80 to record the same data as with the CANgate on the newer engines. The dataTaker data loggers are intelligent making them capable of performing calculations on the data such as total run time, average temperature, and total fuel used. If necessary, an RPM/fuel flow map can also be used to approximate engine load. The diesel engine monitoring system can also calculate the engine fuel map consisting of all the engine readings from the varying running conditions. This is used in ongoing efforts to optimize engine performance and reduce emissions.
Benefits
Another driving force behind choosing the DT80 was the ability to download the data files with a USB thumb drive by inserting it directly into the logger. This makes it easier to download the data from multiple engines once a week in an Excel formatted data file to quickly generate a report summarizing daily operating information. This report is then submitted to the EPA to prove compliance.
The collected data from the dataTaker DT80 data logger and CANgate allows users to view critical engine parameter during operation. This data is not only used to prove compliance but it also aids in the development of a maintenance program for the machinery extending the life and increasing the profitability of the operation.
For more information on the dataTaker DT80 Data Logger, another diesel engine monitoring system or to find the ideal solution for your application-specific needs, contact a CAS DataLogger Application Specialist at (800) 956-4437 or www.DataLoggerInc.com.
Computer Aided Solutions, LLC. dba CAS DataLoggers is a distributor of data loggers, paperless recorders and data acquisition equipment.
We have the industry’s most complete selection of data logging equipment, with hundreds of different models from more than 18 manufacturers. With data loggers from 1 to 300 channels we can record temperature, humidity, force/strain, pressure, flow, voltage, current, resistance, vibration and other digital signals, in connection with serial (RS-232/RS-485), CAN/OBD or SDI-12 devices. We sell directly to end users and also work through a network of distributors and resellers throughout the United States, Canada, Central and South America.
CAS DataLoggers
8437 Mayfield Rd Unit 104
Chesterland, OH 44026
(440) 729-2570
Marketing Department
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