Reception of protection commands in a remote tripping device

A remote tripping device, having means for reception of one or more signals, with protection commands and combinations of protection commands being coded by means of an individual signal or by means of a predetermined combination of signals, and each protection command being allocated a predetermined minimum safety and/or security value, characterized

• in that the remote tripping device has at least one detector (41, 42, 43, 44, 45), with each signal being allocated a detector (41, 42, 43, 44, 45) for detection of the presence of the signal on the basis of at least two different safety and/or security threshold values which can be predetermined, and
• in that the remote tripping device has a means (5) for detection of the presence of a protection command,
• if an individual signal, which codes the protection command individually or in conjunction with other protection commands, is detected with a safety and/or security threshold value which is greater than or equal to the minimum safety and/or security value allocated to that protection command, or
• if all the signals in the combination of signals which codes the protection command individually or in conjunction with other protection commands are in each detected with a safety and/or security threshold value which is greater than or equal to the minimum safety and/or security value allocated to the protection command.