A user may want to use a software program to communicate to a PowerLogic or ION meter when ethernet is not an option.
ION and PowerLogic meters.
ION Setup, Modbus Tester, DLF-3000
Many meters do not have ethernet as an option, or the ethernet option was not ordered, or the ethernet port is in use and cannot be disturbed.
The commonly recommended USB-to-RS485 converter is the USOPTL4 by B&B Electronics. It works well with ION and PowerLogic products that have a 2 wire or 4 wire RS485 port. Here is a link for that product:
The commonly recommended USB-to-RS232 converter is the USO9ML2 by B&B Electronics. It works well with ION and PowerLogic products that have either a DB9 serial port or dedicated terminals for for RS232.. Here is a link for that product:
The above links can provide access to Windows drivers that will need to be installed prior to using the converters. Also, the quick start guides are very helpful for wiring questions. This document is attached below. Pay special attention to the “4 Wire Set-up”/ “2 Wire Set-up” to help eliminate wiring errors.
To find out which meters support RS 232 and which support RS 485, many meter's basic features are outlined in a chart on page 7 and 8 (or pages 12-14 as numbered in the document) in the attached file below titled "Product_Range_Overview.pdf".