Wago Verwaltungsgesellschaft Mbh

Wago Verwaltungsgesellschaft MIT Beschraenkter Haftung

Wago Verwaltungsgesellschaft MIT Beschrankter Haftung

Christian Voss

Andreas Patzelt

Christopher Wohlgemuth

Alexander Buelow

Torsten Meyer

Horst Leber

Daniel Janos Moehlenbrock

Alexander Hahn

Maxim Laschinsky

Ralf Knorr

Alexander BÜLOW

A safe digital input circuit with a first input and a second input for reading in a sensor signal with a clock generator to generate a clock signal is shown. The safe digital input circuit includes a first clock output and a second clock output for connecting sensors to safely shut down a plant. A first and a second signal line are connected to a clock generator output of the clock generator to forward the clock signal to the first and second clock output.

Safe digital input circuit for decoupling diagnostic outputs

A circuit for monitoring an output voltage of a voltage supply is shown. The circuit comprises a microcontroller for controlling a system, a shift register and a diagnostic circuit. The microcontroller has an input for receiving serial output data of the shift register, wherein the input is connected to the serial output of the shift register. The diagnostic circuit is designed to diagnose the voltage supply and has a diagnostic output which is connected to a data input of the shift register for inputting a diagnostic bit.

Voltage diagnostic circuit

A system for controlling a process having a first control device for processing first data, and a first communication interface of a first communication unit designed for receiving the first data, and a second control device for processing second data, and a second communication interface of a second communication unit, designed for receiving the second data. The first communication unit comprises a third communication interface and the second communication unit comprises a fourth communication interface. The third communication interface is connected to the second communication interface and the first processor processes or compares the second data received by the third communication interface with the first data received by the first communication interface. The fourth communication interface is connected to the first communication interface, and the second processor processes or compares the second data received by the second communication interface with the first data received by the fourth communication interface.

Process control system

A safety circuit for the multi-channel processing of an input signal. The safety circuit includes an analog-to-digital conversion device having a first analog input and a second analog input and at least one digital output for processing the input signal. Furthermore, the safety circuit has a test device which is set up to apply a test signal at the first and/or second input of the A/D conversion device in such a way that the test signal superposes the input signal such that the test signal dominates the input signal.

Safety circuit and method for testing a safety circuit in an automation system

A device for limiting a power loss during the sampling of a digital signal is illustrated. The device comprises a circuit disposed in the signal path of the digital signal, the circuit being configured to reduce a current flow along the signal path in response to a control signal which indicates a sampling pause.

Device for limiting a power loss during the sampling of a digital signal

A switching circuit for checking an analog input circuit of an A/D converter is shown. The switching circuit comprises the analog circuit and a comparator circuit. The analog input circuit is configured to generate a first derived signal Sand a second derived signal Sfrom an analog input signal SE of the analog input circuit. The first derived signal Sand the second derived signal Sare input signals for the comparator circuit, but only the first derived signal Sis an input signal for the A/D converter. The comparator circuit is configured to check whether a deviation of the derived signals S, Sfrom each other lies within a tolerance range TOL and to output an output signal SA depending on the check, which may be further evaluated.

Switching circuit for checking an analog input circuit of an A/D converter

A system having a first data processing unit and a second data processing unit, wherein the first data processing unit has a first communication interface and the second data processing unit has a second communication interface, and the first communication interface and the second communication interface are connected by means of a signal line, and a monitoring unit, which is set up and provided for the purpose of resetting the first data processing unit and/or the second data processing unit to a defined operational state by means of a reset signal. The monitoring unit is connected to the signal line and provided to monitor a signal, which signals a phase of data transmission between the first communication interface and the second communication interface using a predetermined voltage level of the signal.

Circuit for monitoring a data processing system

A system having a field bus coupler, a first module and a second module is provided. The field bus coupler includes a first field bus interface to a field bus and a first sub-bus interface to a sub-bus. The first module includes a control interface for connection to a control bus, a second sub-bus interface for communication with the field bus coupler and a first control output. The second module includes a control input and a power output. The first module is configured to derive a control signal from a signal which is received via the control interface during operation, and the second module is configured to control the power output of the second module in coordination with the control signal received via the control input.

Field bus system for driving power outputs

The present invention relates to a security control comprising a first controller having a first clock generator for generating a first clock signal, a separate second controller having a second clock generator for generating a second clock signal, wherein the first clock signal is output to a first input of the first controller and to a first input of the second controller, and the second clock signal is output to a second input of the first controller and to a second input of the second controller. In addition, the present invention relates to a method for operating a security control.

Security control and method for operating a security control

A bus system having a plurality of bus components connected in a bus for the transmission of process data by all bus components, with a master as one of the bus components, with at least one slave as one of the bus components. The master has a master system clock for a master system time. The slave has a slave system clock for a slave system time to be synchronized with the master system time. The master is set up to send a synchronization command at a synchronization time via the bus for the parallel reception by the bus components embodied as slaves. The slave system clock of the slave is set up to calculate and output the slave system time based on the synchronization time received by the data transmission and the synchronization signal time and the current time value of the monotone clock.

Bus system

The present invention relates to a security arrangement comprising a data processing unit for serial transmission of data for controlling outputs and for querying inputs of a process and a corresponding method; further comprising at least one parallel-to-serial converter comprising a shift register for converting data to query the inputs; at least one serial-to-parallel converter comprising a shift register for converting data to control the outputs; wherein the data to be transmitted includes diagnostic bits that are output from the serial-to-parallel converter and read back from the parallel-to-serial converter; and the read-back data is checked for errors by the data processing unit to ensure a secure data transmission.

Safety arrangement

A circuit arrangement having an overload protection for galvanic isolation units for galvanic isolation from one another is described. The galvanic isolation units each have two regions galvanically isolated from one another and one of the regions has a control signal terminal and a base terminal. The circuit arrangement have at least two such galvanic isolation units. From at least two of the galvanic isolation units the base terminals of a region are electrically conductively connected to one another and are connected to a base potential via a common fuse connected in series.

Growing community of inventors

Minden, Germany

Christian Voss