How WirelessHART® uses industrial wireless technology
to work with HART protocol in your sensor network
You’re probably already familiar with HART protocol since it’s been used for more than 20 years for commissioning, calibrating, and installing instrumentation to a process. And today, more than 30 million HART devices are installed, but did you know about 90 percent of these devices aren’t being used to their fullest data-gathering potential because HART data is not being communicated to the control room?
That’s where WirelessHART comes in. This technology, which is part of the HART7, which makes the HART protocol more usable, flexible and cost-effective. It does this by networking HART devices to the wireless sensor network and reducing deployment time and complexity using industrial wireless connectivity.
The image below shows how WirelessHART creates a self-healing mesh wireless sensor network, works with standards-based communication, and gets more data from the field back to your control room.
To make this sensor network work, you’ll need a gateway to pull all of that HART data in from the field back into the control room. Our WirelessHART gateway supports up to 250 WirelessHART end devices and gives you flexible installation options, web-based management, and wired and wireless backhaul capabilities. And it works with MODBUS TCP protocols.

| Module | Type Description | Order Number | Product Description | Downloads | |||||
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RAD-WHG/WLAN-XD | 2900178 | WirelessHART gateway with integrated 802.11 b/g WLAN transceiver and Ethernet connection converts protocols from WirelessHART to MODBUS TCP. | User Manual | |||||
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RAD-WHA-1/2NPT | 2900100 | Adapter that can be used to interface HART field devices into a WirelessHART network. Multiple modes including Loop power, Line power and multi-drop adapter configurations. | User Manual | |||||
- Download our white paper “Getting the Most Out of Your WirelessHART® System”
WirelessHART makes the HART protocol more usable, flexible and cost-effective, but there are still some complications. Larger networks can be harder to manage, and bottlenecks in the network can create strain on battery powered devices.




