Delta Computer Systems, Inc., Vancouver, WA, has entered into a distribution agreement with the Machine Control Systems group of Siemens Energy and Automation in Alpharetta, GA. The agreement allows Siemens to sell Delta's RMC line of motion controllers as part of a package incorporating Siemens' Simatic family of PLCs, I/O, and HMI (human-machine interface) products. Under the agreement, Siemens will provide primary technical support for the controllers in Siemens-based systems.