US 9,147,088 B2 · Method for monitoring a tamper protection and monitoring system for a field device having tamper protection

Abstract

The embodiments relate to tamper protection of a field device. The method includes: checking whether manipulation of the field device has taken place; outputting a non-manipulation certificate in case a negative inspection result is determined; transferring the non-manipulation certificate; a registration device checking the non-manipulation certificate; determining an active status of the field device in case the non-manipulation certificate is valid; checking the field device by querying the status of the field device; transferring field device data to the monitoring device; and accepting the field device data if the field device has an active status. The invention further relates to a monitoring system for a field device and a use.

Claims18

Dependent claims

A method for monitoring tamper protection of a field device, the method comprising:

checking whether a manipulation has taken place at the field device;
outputting a non-manipulation certificate when a negative test result has been determined;
transmitting the non-manipulation certificate;
checking the non-manipulation certificate by a registration device;
determining an active status of the field device by the registration device when the non-manipulation certificate is valid;
checking the field device by a monitoring device by inquiring about a status of the field device;
transmitting the field device data to the monitoring device;
and
accepting the field device data by the monitoring device when the field device has the active status.

6 more elements

Dependencies are inferred from the claim text.

Method for monitoring a tamper protection and monitoring system for a field device having tamper protection

Life of this patent

Method for monitoring a tamper protection and monitoring system for a field device having tamper protection

Life of this patent

Abstract

Claims18