Patent ID: 9014869
Filing Date: 2015-04-21
Classification: G06F

Abstract:
1. A communication converter for connecting automation devices with different operating voltage to a host computer, comprising: an interface component for converting of data being transmitted; a transceiver component coupled to the interface component; wherein the interface component is connectable at the input side via a host connector to a host interface of the host computer, and the transceiver component is connectable via a device connector to a device interface of the automation device; and a voltage transformer connectable at the input side via the host interface to operating voltage, and at the output side to a voltage supply line of the device interface; wherein an output voltage of the voltage transformer is applied to the voltage supply line and wherein the automation device is supplied with the output voltage via the voltage supply line of the device interface; wherein the communication converter has a first current or voltage meter to detect a current or a voltage of the voltage supply line, a second current or voltage meter to detect a current or a voltage of a control line of the device interface, and a switching means to control an impedance of the control line, wherein the voltage transformer is configured as a controllable voltage transformer, wherein the output voltage of the voltage transformer is controllable successively in dependence on the voltage value present on the control line, and the voltage value present on the voltage supply line to a higher voltage value by means of a logic unit integrated in the communication converter, and during the consecutive raising of the output voltage, the voltage value on the control line is monitored by the second current or voltage meter, and when the voltage value on the control line reaches a defined voltage value, the necessary operating voltage for the connected automation device is set.