Адаптер

A1110 WirelessHART adapter connects 4i20mA HART and Modbus device to WirelessHART, supporting loop, external power and battery. Using wirelessHART technology to transmit additional HART information such as process and diagnostics data to host system is reliable secure, flexible and smart.

A1110 collects dynamic variables, process data and alarm information of HART device and uploads the information to WirelessHART network.

Usually A1110 is directly connected onto conduit entrance of HART device. 1/2 NPT male coupling of A1110 can be directly installed onto housing of HART device. For the field devices with other type couplings, such as M20, screw adapter can be used.

A1110 antenna is built-in omnidirectional antenna. A1110 shall be vertically installed (horizontal installation will weaken signal), and over 30cm distance from any metal. A1110 may be disturbed by nearby other 2.4 GHz ISM frequency band signal, and these disturbances may cause intermittent message retransmission and loss. To keep optimal antenna signal intensity, shall timely clear away accumulated materials on surface of the antenna, such as dust, fiber, snow and ice. Pay attention that the antenna not to be subjected to too big external force, avoiding damage.

The following table describes A1110 wiring and colorful wires’ function. These wires all are drawn out through 1/2NPT outlet of A1110.

A1110 can be alone taken as repeater. Now A1110 does not connect to other HART devices, and usually is put in the place where signal cannot arrive or is weak, to route other WirelessHART devices in the network. It has improved reliability of the whole WirelessHART network and path stability.

When A1110 is loop powered, its power supply shall be loop powered.To ensure normal work of A1110, loop must have 250Ω resistance at least. If 4-20mA loop has no necessary resistance, resistor shall be connected according to pictures.