Controlling IAI Robonet Actuators using Modbus over RS485 Serial
Channel: Henry E Herman
Date: 2014-02-12

Learned a couple of interesting things about these actuators.
Short video entry on using this python script to drive them from a host PC
https://gist.github.com/henryeherman/8951844

Plan to port this over to C/C++ and run it on a microcontroller.