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How do I address multiple devices using the Modbus TCP/IP Gateway function?

To address multiple devices, using the Modbus TCP/IP Gateway function: 1. Select the table for the mapped device. 2. Click the “Settings…” button at the bottom of the Address Mapping Table window. 3. Specify the mapped device address in the Table Settings window. Follow Technical Note 5099 “Using the Modbus Gateway” for step-by-step instructions. Software…

What is User Datagram Protocol (UDP)?

UDP (User Datagram Protocol) is a communications protocol that is primarily used for establishing low-latency and loss-tolerating connections between applications on the internet. It speeds up transmissions by enabling the transfer of data before an agreement is provided by the receiving party. As a result, UDP is beneficial in time-sensitive communications, UDP is an alternative…

When I log into WebView / EasyWeb I see a warning telling me the connection is not secure because it is using a Self-signed certificate. Is it safe to proceed?

When first logging in to WebView or EasyWeb 2.0 you may get a message warning that the website’s certificate could not be verified. The exact wording and look of the message will depend on the browser you are using, but it will be something to the effect of: This is because the connection to the…

How to set up communication between Standard, Advanced or High Performance Series HMI and Maple Systems PLC

Setting up communication between a Maple Systems HMI and Maple Systems PLC is easy. We created a step by step tutorial showing you how to set up Modbus RTU and TCP communications. Software Downloads & Upgrades Manuals & Guides Tutorial Controller Information Sheets Communication Cables

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…

I’m setting up my Wi-Fi model and the DHCP Server is not available, what will be the default IP address on my HMI?

If a DHCP server is not available, they will default to an IP address of 169.254.0.1. See Tech Note 5123 “Connecting to Wi-Fi Units When a DHCP Server is Not Available”. Software Downloads & Upgrades Manuals & Guides Tech Notes Compatible Products Controller Information Sheets Communication Cables