The OPTOINTMB is an integration kit for communicating between OptoControl and third-party serial Modbus devices. The integration kit includes subroutines, example strategies, and documentation. In addition, you need the correct library file (see Notes, below).
This kit is compatible with OptoControl 2.2 and newer.
Although this is a free download, you will need a password in order to use it. The password is: 05asdf99
Also download library file 3.2c