CyberResearch Inc., Branford, CT, offers >30 CM 7000 communications and control modules for monitoring and controlling shop-floor equipment. CyMOD modules communicate over a simple twisted-pair RS-485 bus, with up to 256 modules on a single bus. Ethernet or USB converter modules accept these protocols and convert to RS-485. Modules mount on DIN rails, accept unregulated 10–30 VDC, and operate at temperatures from –13°F to 167°F.