The following applies to SNMP devices.

Log in to EMX. Under the Manage tab, open the OPI drop down menu and click on OPI Templates

Click on the ( + ) icon to expose the "Add Reading" dialog box. This will allow the addition of individual register points along with their characteristics. 

Complete all fields.

Channel:  Designates the EMX channel that the register map shall be aligned with

Scale:  The scaling factor or multiple applied to the register. Most device register maps will note the scaling factor of each register.

Offset:  Offset implies where the register map starts. If the register map starts at 0 vs 1, each register may have an offset of 1.

OID:  The OID that corresponds to EMX channel for measurement

Click the "Submit" box to save.

Continue to add OIDs using the ( + ) add register function until all the required OIDs are populated.

Editing existing OIDs

To edit an existing OID, click on the pencil icon.