| 摘要 |
A sensing device constructed of two or more modules which can be connected together in different possible orientations to form a complete sensor. The modules have patterns of electrical contacts on adjacent faces such that different relative orientations of the modules effect interconnection of different contacts to program and select the mode of operation of the sensing device, from a plurality of available modes. In a preferred embodiment, a programming module having a connector bar is positionable between sense and control modules of the device in a plurality of different orientations to effect both programming mode selection and device orientation for mounting convenience.
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