Omega RD-MV100 Series User Manual page 111

5.3 Digital Input (DI) Setting
Explanation
5-6
The following table shows the mode, range, and measurable range.
Mode Range
DI Level
Contact
Measurable Range
0 : Less than 2.4 V
1 : Greater than or equal to 2.4 V
0 : Opened
1 : Closed