Now to send data with the device in the workshop you need a 24 vdc power supply a 250 ohm resistor and a handheld. Ams trex device communicatorsimplify your work in the field with the the intrinsically safe rugged 475 field communicator.
Connecting A Hart Communicator Free Transparent Clipart
Hart communicator connection diagram. Existing communicators will be supported through october 2020for long term support of your program or new handheld requirements see emersons next generation field communicator. Attempting to address a hart device whose hart address is something other than zero for a point to point connection with communicator or modem attempting to talk hart to a transmitter with hart capability or one that is equipped for profibus foundation fieldbus honeywell de modbus or some protocol other than hart. Additional products are available from our encompass partners. Look at the diagram below to see how to install the device and connect the handheld. The 475 field communicator is no longer be available for sale. The hart protocol is the global standard for sending and receiving digital information across analog wires between smart devices and control or monitoring systems.
If a connection is not made the hart communicator will indicate that no device was found. The communicator will search for any hart compatible device in the loop and will indicate when a connection is made. The prompts appear only if the field communicator application could not automatically detect or connect to the device. This video shows how and why a loop resistance is critically important for the proper operation of a hart smart transmitter to communicate. Once your equipment have been setup as shown above turn on the communicator by pressing the onoff key. That means that you have 24 volts of direct current vdc in the same loop where you have 4 20 ma and hart.
Below each diagram a table lists the expected prompts from the device connection wizard and the answers to complete the connection. Wiring diagrams for hart devices and the field communicator application. Learning the basics contains information on settings types of storage irdafi communication using scratchpad maintenance managing files and storage. Hart functionality contains information on starting the hartfi application establishing communication with connected hart. We offer a variety of analog io modules with hart connectivity.