Logic Relays and Extension Modules• 16 counters and timers Integral displayExpandable design allows users to manage a simple automation system with multiple inputs and outputs, without the need for a complex programmable controller. 6-button navigation allows direct programming in any of several computer languages. Compact, space-saving design. Extension modules add inputs and outputs to customize systems for specific needs. Programming software No. 1CNL6 and PC connection cable No. 1CNL7 permit uploading programs from a PC, directly to multiple relays. Use for small machinery and supplemental large machinery automation systems, lighting management, security systems management, and HVAC management.