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Class I, Division 2 Products
Maple Systems offers many Class I, Division 2 certified solutions designed to keep operators and their environment safe. These products are used in industries including: oil and gas, mining, painting, chemical processing, pharmaceutical, food processing, and more. Trust Maple’s Class I, Division 2 products for your hazardous locations today.
Maple Systems Class I, Division 2 Products
Web HMI
Web HMIs provide a streamlined alternative to the traditional operator interface. As client-only devices, Web HMIs are designed to connect and interact with web-based applications running on a server. No program installations and reduced wiring requirements mean that Web HMIs can be easily added into an existing Class I, Division 2 control system without the need for extensive programming or configuration.

HMIs + PLCs
Our HMI + PLCs lower costs, save space, and feature options including: Serial and Ethernet communication, support for Class I, Division 2 installations, and numerous I/O configurations. What’s more, our HMI + PLCs provide an affordable combination of display and control in a single package and are all programmed using our free configuration software, allowing you to have web server functionality, data logging, recipes, graphs, alarms, trending, create objects with multiple tasks, and more.


Industrial PCs
Our CID2 Industrial PCs come with a Windows® Operating System installed that can operate any Windows® Software, powerful SCADA software such as Allen-Bradley’s FactoryTalk® View, Ignition™, AVEVA™ Edge and Wonderware®, or configure them using programming languages such as Visual Basic, Python and C++, providing you with flexible options. Choose from a 15”, 19” or 21” display, or no display at all, to meet your environment and application needs.

Industrial Monitors
Our C1D2 Monitors are designed to withstand prolonged shock & vibration, a wide temperature range, and protection from water and dust. With a stainless steel enclosure and high-brightness/sunlight readable 1000 nit projected capacitive touchscreen, this extended temperature, Class 1, Division 2 Industrial Monitor is a great value. ATEX rated. Pair with our C1D2 Box PC.

Alphanumeric OITs
Our OITs are powerful, affordable operator interface terminals. These units offer best-in-class features including 2 and 4-line LCD and VFD Displays,16 and 24-key keypads, unique user-definable keypads, and slide-in legends. All our OITs operate in temperature extremes ranging from -10˚C up to 65˚C and meets strict Class 1, Division 2 requirements. Made with a rugged aluminum enclosure in the USA, our LCD and VFD OITs are ideal for harsh environments.
How Maple Systems Customers Use Class I, Division 2 Products

Built in Drivers – ABB TotalFlow, ROC800, ControlWave, & more!
One of the advantages of our free programming software, EBPro, is its extensive library of built-in drivers—including support for ABB TotalFlow. This feature proved especially valuable for a systems integrator based in Midland, Texas, working on a TotalFlow Meter Run application.
By using our CID2-certified HMI5070LB, the integrator was able to quickly develop their project in EBPro. Once their project was complete, they sent it back to us where we created a custom part number for them and retained their project.
When an order was placed for this custom part number, the HMI shipped fully configured and ready to go. On arrival, all the customer had to do was mount it, apply power, and they were back up and running—with no additional setup or programming required.
This is just one example of how our built-in driver support and customer-focused workflow simplify deployment and reduce downtime in the field.
LACT Skid – Custody Transfer
An Integrator in Pecos, TX uses our C1D2 HMIs on their Lease Automatic Custody Transfer (LACT) Skids to sample and measure oil so it can be properly and accurately delivered from the well site to the customer. Our HMI is used to display information regarding the transfer process as well as alert operators and stakeholders of operational issues, such as high water and sediment content. Fail-Safe shutdown and gas detection procedures are also built into the HMI as well as Cloud transmission for remote access.


Remote Access
A Value Added Reseller in Midland, TX created a remote access kit for their end users to save time and cost on deploying technicians to remote locations for troubleshooting and clearing alarms on their skids/pump jacks. This kit included our cMT-SVRX-822, power supply, and a broadband cellular router mounted just outside the C1D2 area, using a C1D2 ethernet cable connected to the PLC within the C1D2 area. With EasyAccess 2.0 preinstalled and activated on our cMT-SVRX-822, his customers could log in from home and view the event log and alarm history, clear all alarms and adjust the program preventing future failures.
Waste Water Treatment Plant
An Integrator in Roswell, NM was brought into a large Wastewater Treatment Plant after their SCADA system went down. They had no way to view or troubleshoot alarms. He installed 7 HMIs at key stations throughout the plant, and one of our Headless cMT-SVRX units in the centrally located control cabinet. Alarm and Event data gathered from each of the 7 locations is now being sent to the cMT-SVRX. With the use of our EasyAccess2.0 and cMT Viewer, Plant Managers and workers can log in locally as well as remotely to view and clear any alarm data, monitor tank levels, flow and pH, and adjust as needed, without leaving their chair.


Tank Batteries
An Integrator in Roswell, NM uses one of our C1D2 HMIs as the eyes into their 5 Tank Batteries. It’s used to view tank levels, control oil flow in and out of the tank, as well as control gas injection at the pumps. Each tank has its own recipe for injection, based on the flow rate, the HMI tells an actuator how much gas is allowed to be pumped into each well, improving the flow of oil into the tanks.
Injection Well Control
An OEM in the Permian Basin uses our 10″ C1D2 HMI to control and monitor the operations of Injection Wells used for disposal of wastewater produced during oil and gas extraction. Our HMI gives the operators an interface to view flow rate, injection volume, and pressure and allows for them to easily make adjustments for efficiency and safety making sure the fluids remain contained, protecting nearby aquafers and there are no unexpected pressure surges.


Meter Run
An OEM in Odessa, TX needed a low cost HMI that could communicate to his Emerson ROC800 and view Static Pressure, Differential Pressure, Temperate and Flow values on their Meter Runs. With our free, EBPro Programming software, the Emerson drivers are already built in so our 7″ C1D2 HMI was the perfect solution.
pH & ORP Sensors – Measurement
An OEM in Orange, CA uses our 7″ C1D2 HMIs on their HiQDT Smart Digital Sensors for measurement of pH, ORP and Dissolved Oxygen parameters at hazardous locations. Smart Digital MODBUS RTU pH, ORP, Dissolved Oxygen, Ion Selective and Conductivity sensors can be connected to any PLC that can act as the MODBUS RTU Master. No local transmitter required (direct to PLC or SCADA) since the HMI is mounted at the installation site. Remote access for troubleshooting and maintenance was a must for cost and time efficiencies making our C1D2 HMI the only choice for his touchscreen controllers.

What Makes a Class I, Division 2 Location
If the location of your HMI installation fits the below criteria, take a look at our Class I, Division 2 options.
A Class I, Division 2 location is:
A location in which volatile flammable gases, flammable liquid-produced vapors, or combustible liquid-produced vapors are handled, processed, or used, but in which the liquids, vapors, or gases will normally be confined within closed containers or closed systems from which they can escape only in case of accidental rupture or breakdown of such containers or systems or in case of abnormal operation of equipment.*
A location in which ignitable concentrations of flammable gases, flammable liquid-produced vapors, or combustible liquid-produced vapors are normally prevented by positive mechanical ventilation, and which might become hazardous through failure or abnormal operation of the ventilating equipment.*
A location that is adjacent to a Class I, Division 1 location, and to which ignitable concentrations of flammable gases, flammable liquid-produced vapors, or combustible liquid-produced vapors above their flash points might occasionally be communicated unless such communication is prevented by adequate positive-pressure ventilation from a source of clean air and effective safeguards against ventilation failure are provided.*
*www.termwiki.com