| 摘要 |
The indicator device (2) is for a signal centre (1) for monitoring and indicating undesirable operating conditions or operational disturbances in a monitored object (5-8). Several signal components are used, indicating alternative conditions, and can change from passive to active state to form different configurations representing a number of disturbance conditions. - The signal components are governed by fixed connections or a control unit (4), such as a selector for priority of situation degree, or a micro-computer, which receives signals from the monitored object (5-8) measurement probes (5.1, 5.2, 5.3). The indicator has a seven-segment or alphanumerical display containing at least one point. The signal components are in at least two different colours, and can indicate the periodical change between passive and active conditions. |
