| 摘要 |
The invention relates to a module arrangement of safety switching devices. The arrangement comprises a plurality of input modules each for processing input signals from a safety transmitter and each for generating output signals. It further comprises at least two output modules each for driving an actuator responsive to the output signals. The input modules and the output modules are arranged in a series forming a series of modules. The input modules each are associated to one output module. According to one aspect of the invention, the association of the input modules to the first, the second or both output modules is achieved on the basis of the position of the input module within the series of modules.
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