Controller having a communications interface, receiver and method for communication
First Claim
1. An arrangement, comprising an electric or fluidic valve drive, a controller for controlling the valve drive, and a sensor system for detecting drive-related measurement information, the controller having a control device which is configured to supply control signals for the valve drive in order to cause a predefinable movement of the valve drive and configured to receive the drive-related measurement information, the controller further having, as a communications interface, an analog current interface, which is configured to output a current signal and convert the drive-related measurement information into an analog current signal level within a current interval according to a communications protocol, wherein the control device is further configured to generate at least two different items of device status information, and the analog current interface is further configured to convert the at least two different items of device status information into different discrete current signal levels outside of the current interval, wherein the at least two items of device status information comprise at least one of initialisation information, calibration information, error code information, level exceedance information and parameter error information.
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Accused Products
Abstract
A controller for controlling an electric or a fluidic valve drive. The controller includes a communications interface which is configured to output a current signal and convert drive-related measurement information into a current signal level within a current interval according to a communications protocol. The communications interface is further configured to convert at least two different items of device status information into different current signals levels outside of the current interval.
15 Citations
10 Claims
- 1. An arrangement, comprising an electric or fluidic valve drive, a controller for controlling the valve drive, and a sensor system for detecting drive-related measurement information, the controller having a control device which is configured to supply control signals for the valve drive in order to cause a predefinable movement of the valve drive and configured to receive the drive-related measurement information, the controller further having, as a communications interface, an analog current interface, which is configured to output a current signal and convert the drive-related measurement information into an analog current signal level within a current interval according to a communications protocol, wherein the control device is further configured to generate at least two different items of device status information, and the analog current interface is further configured to convert the at least two different items of device status information into different discrete current signal levels outside of the current interval, wherein the at least two items of device status information comprise at least one of initialisation information, calibration information, error code information, level exceedance information and parameter error information.
Specification