Patent ID: 9685988
Date: 2017-06-20
CPC Classifications: G05B,H04B

Claim:
1. An enhancement device for a field device of process automation technology with a wireless antenna, the field device serves for registering and/or influencing process variables, the wireless antenna serves for transmitting and receiving wireless signals for wireless data transmission, comprising: a first transmission protocol and a first transmission frequency; a connecting element, which connects the enhancement device to said wireless antenna; a first transmitting-/receiving unit, which serves to receive transmission wireless signals from said wireless antenna; a converter which is embodied to convert the transmission wireless signals from said wireless antenna into a second transmission protocol and/or into a second transmission frequency; a second transmitting-/receiving unit, which serves to transmit the converted transmission wireless signals; a circuit which is embodied to harvest energy from the received transmission wireless signals; and the enhancement device is embodied so that said wireless antenna can be inserted into it.