Tech note
Wiring Diagram - HOBO U30 CVIA Voltage Input Logic Switch

Attached is a wiring diagram that shows how to monitor switch closures with a HOBO U30-NRC fitted with the optional 2-channel analog input module.

Products depicted in the attached diagram include:

U30-NRC Data Logger

PDF icon Wiring Diagram - U30 CVIA Voltage Input Logic Switch.pdf