How should we carry out wiring when using PF2A7 series just to check the flow rate display?

Please carry out wiring at the following two points: 〔1〕 Brown wire・・・positive (+) of 24VDC, 〔3〕 Blue wire・・・negative(-) of 24 VDC. Please insulate any unused wires. No setting is required and flow rates will be shown without any change. It is also possible to check accumulated flows by operating a button.

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