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Intelligent Telematics Diagnose Engine, System Problems

The concept of telematics has become a catchall for much of the information-based developments and systems being seen in the marketplace.

Tue March 11, 2014 - National Edition
Jeff Winke

The screenshot is an example of IntelliMatics software that illustrates a “live schematic” view of a very simple circuit.
The screenshot is an example of IntelliMatics software that illustrates a “live schematic” view of a very simple circuit.
The screenshot is an example of IntelliMatics software that illustrates a “live schematic” view of a very simple circuit. The necessary GA-126 Embedded System hardware to run the IntelliMatics software is produced in Grathwol Automation’s assembly room. This hardware can be installed by the customer or by Grathwol Automation if requested. Concrete pavers are the types of heavy equipment that can benefit from an intelligent telematics system. A busy construction site underscores the potential benefits of an intelligent telematics system.

The construction market continues to evolve and change.

Technology has advanced the means of production and how construction businesses are run. Such technology provides valuable real-time information, which allows for better decisions to be made. Access to this information benefits the construction contractor in all areas from the heavy-equipment operator to the site superintendent to the business owner. Here is where the capabilities are found to democratically distribute large amounts of data that can be filtered and selectively used by individuals in their jobs to be more effective, productive, and accountable.

The concept of telematics has become a catchall for much of the information-based developments and systems being seen in the marketplace. However, there is a flaw in the current evolution of the telematics diagnostics picture: the tremendous amount of data and benefits are there if the engine is running, but what happens when the machine has stopped?

Intelligent Telematics, or IntelliMatics, solves that problem. The new cutting edge development has the ability to show why the engine will not start and/or why other production systems on the machine have stopped working, such as why the upper conveyor won’t operate on a milling machine or why the screed won’t move on a paver.

“We’ve taken the next logical step with telematics and created IntelliMatics, which can diagnose why a machine’s engine or other system has stopped working,” said Kyle Grathwol, president and chief technologist with Grathwol Automation, Sandusky, Ohio. “Telematics can tell the contractor that the engine has stopped, where IntelliMatics tells why.”

In addition to the benefits acquired through traditional telematics systems, this new technology will show why an engine or other system has stopped functioning; provide a visual guide so the machine operator, technician or machine owner can see where the voltage path stops in the circuit under test; and create customized fault codes for the machine, not just the engine.

“The IntelliMatics solution from Grathwol Automation is the perfect interface to our control systems for OEMs and customers alike,” said Frank Flores, president of Flores Automation, Muskego, Wis. “This technology is a revolutionary step in system diagnostics and will make the common service trip a thing of the past.”

In short, telematics is any integrated use of telecommunications and ICT-information and communications technology, including GPS. It is the sending, receiving and storing of information via telecommunication devices. Typically, this is in conjunction with machine or device control.

Even though the mere transmission of data can be remarkable; it is the application of the information that is truly impressive. The software utilizes the information gathered to control production, monitor progress, alert to any problems, and help manage the machine, the project, and the business.

Telematics currently offers contractors the ability to monitor precisely where their fleet of equipment is currently located, which machines are running, and the level of productivity being achieved. With GPS and 3-D digital site models, machines can grade, compact, mill and pave within astounding accuracies. Machines can “tell” owners when it’s time for scheduled maintenance and even diagnose the cause of mechanical and hydraulic issues.

It’s in this capacity of diagnostic software where cutting-edge developments are occurring. These advances are not limited to new machines; remote diagnostics can now be installed on older pieces of equipment.

“Our objective is to address a contractor’s toughest, reoccurring problems and help solve them; so we have developed custom IntelliMatics systems for older pieces of heavy equipment that extend their useful lives and make them smarter,” said Grathwol. “There are no specific machine system requirements for installing IntelliMatics on older equipment. Optimally, we prefer a machine with an engine using the J1939 protocol, but IntelliMatics can be installed on any piece of equipment.”

With the advancement of telematics, contractors are experiencing the real-world benefits of breakthrough software development. Fleet management can help track assets and save time when a need emerges for a piece of heavy equipment that may be sitting idle on the other side of a job site or at another different location. Engine diagnostics can prevent costly workflow slow downs or stoppages. A machine that’s dead on the site can not only impair the workflow, but also endanger a contractor’s timetable. Missing a deadline can incur penalties and affect the contractor’s ability to move quickly to other jobs and opportunities.

The engine diagnostics feature of telematics has certainly helped contractors meet the demands of today’s expectations for shorter completion deadlines and slimmer margins. There is little room for errors in today’s construction business.

How does an intelligent telematics system actually work?

“It is a complete embedded system powered from the vehicle’s electrical system, 12 or 24 volt,” Grathwol said. “The machine-mounted system hardware is enclosed in an IP67 enclosure with LED indicator lights to indicate supply and system voltage as well as cellular connection status. The embedded system uses a SQL Server database to store data. If the machine is working in an area with poor cellular coverage and the transmission is interrupted, it will re-transmit faults when service is restored. The system can be accessed using a PC, laptop and most tablets and smart phones.”

This “smarter” telematics can be installed on anything with an engine — from skid steer loaders to concrete pavers to mining dump trucks. Current factory OEM installations are on machines with CAN-bus control systems. According to Grathwol, the IntelliMatics system can function as a node on the OEM CAN network, using its ability to send and receive CAN messages.

These sophisticated systems are designed to be installed by anyone with a reasonable amount of electrical skills and the ability to read a schematic. If they prefer, a contractor can have the provider install the system.

This newest technology innovation promises to address the following:

• Show why the engine won’t start, such as a failed neutral switch on a propel joystick or possibly an E-Stop that isn’t activated because a wire is loose; or perhaps a circuit breaker didn’t “pop,” but failed internally. Additionally, the contractor will be able to see the battery voltage remotely when trying to crank the engine on the job site.

• Provide a visual guide so the machine operator, technician, or machine owner can see where the voltage path stops in the circuit under test. Grathwol Automation calls their version Live Schematics.

• Create customized fault codes for the machine, not just the engine. With this advance, a contractor can be notified when a steering or grade sensor fails and receive warnings when hydraulic pressures or temperatures are out of spec.

• Educate a new technician who is not familiar with the circuit/system by guiding them directly to the problem.

• Provide access to engine operating data in real time with fault code reporting. The fault codes are decoded and provide the fault description in text, not just an SPN number.

The ability to troubleshoot and know why an engine has stopped can help technicians be better prepared to repair and restore a machine to being productive. The new developments in telematics are geared toward increasing job site productivity and up-time for business owners.

Jeff Winke is a business and construction writer based in Milwaukee, Wis. He can be reached through

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