Phoenix news channel1/19/2024 ![]() ![]() ![]() It is also possible to use a cloud service to transmit safety signals across locations. The reduced bandwidth and longer transmission time may need to be taken into consideration here. As soon as the network permits transmission, e.g., via WLAN or Bluetooth, the safety-related data are also be transmitted. This functionality is also available for data transmission via wireless connections. In this case, all safe outputs on the module are switched off in order to ensure functional safety. If an error is detected here, substitute values are output. In the output direction, the output module monitors the integrity of the data. This means that the “0” safe state is assumed as if the emergency stop had been actuated. For example, this could happen if an emergency stop is not actuated for a safe input. In the event of a communication malfunction, the substitute value "0" is used for calculations on the safe controller. This can result in various error cases.Īs soon as an intolerable error is detected, the systems only use substitute values for calculations. However, the existing networks usually have not been developed in line with the requirements of functional safety. One of the resulting advantages is that additional wiring effort can be avoided and costs can be minimized. In other words, functional safety technology is integrated into the existing network. Ideally safety-related signals could be transported together with standard signals via a shared network. Viewers can make sure that they are fully informed by the professional team of journalists and editors of Phoenix. For example, this could be a signal from an emergency stop device that needs to be transmitted to the safe controller. For irrepressible news lovers, Phoenix Chinese Channel presents The Midday Express showcasing the edge of Phoenix through its accurate, independent and objective coverage. Basically, safety-related signals are transmitted from A to B. In the environment of functional safety technology, black channels mainly involve the transmission of safety-related signals via standardized communication media (e.g., Ethernet or WLAN). How does secure communication via the black channel work? ![]()
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