| 摘要 |
The disclosure relates to a subassembly for an expandable automation device, which includes a housing which accommodates a central processing unit, a voltage supply, an interface for connecting external input and output modules, and internal input and output modules. The subassembly can include three electronic subassemblies which are each arranged on a separate carrier, a third carrier being arranged between a first carrier and a second carrier. The first carrier can be configured to accommodate the electronic subassembly of the central processing unit, the second carrier can be configured to accommodate the electronic subassembly of the internal input and output modules, and the third carrier can be configured to accommodate the electronic subassembly of the voltage supply and the interface for connecting external input and output modules.
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