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What is OPC UA?

OPC UA (Unified Architecture) is the next generation of OPC, featuring cross-platform interoperability, high security, and proven reliability. Developed by the OPC Foundation, it is a machine to machine communication protocol for the industrial automation industry and retains all the core functions of OPC, effectively reducing the cost of system integration and allowing for data…

What is cMT?

cMT HMIs can be broken into several different categories – DIN rail mounted cMT Servers with no built-in touchscreen that can be hidden away in control cabinets, and panel-mounted touchscreen cMT HMIs that offer the standard stationary HMI interface that operators are used to. We also have cMT Web HMIs for plug and play ease, and cMT Display only units when an extra screen is

Which Maple Systems products include the OPC UA license? Which Maple Systems products require that I buy a separate OPC UA license?

The OPC UA server feature “license” is included in the cMT Gateways and High-Performance HMIs. It is available as an add-on option for select Headless HMI installations. Advanced HMIs can act as an OPC UA Client, but do not support OPC UA Server functionality. OPC UA licenses are purchased through Maple Systems.

What is Pass-Through Mode?

The Pass-Through Mode allows communications from the PC to the PLC, through the HMI. This can eliminate the need to disconnect the PLC from the HMI when it is necessary to configure the HMI or PLC. Pass-through mode is only available on HMIs with an Ethernet port. See Tech Note 5047, “Using Pass-Through Mode” for…