The S4 Group, Inc.

There are two options for dealing with legacy N2 devices in an integration.  Both represent long-term strategies that each have their benefits, present both options to the facility manager and select the option that works best for them.

Phase Out Legacy N2 Field Devices 

• Benefit: Cost of upgrading can be distributed over any length of time
• Replace HMI with BACnet or OPC based solution
• Gradually replace Legacy equipment with new solution
• Transitioning to new equipment is seamless
• Unplug N2 Router when upgrade is complete

Salvage Legacy N2 Field Devices

• Benefit: Leverage existing infrastructure
• Replace HMI with BACnet or OPC based solution
• Merge legacy buses if desired
• Manage new and existing equipment from one interface