BACnet S4

BACnet S4

by Rajesh Vavadiya

BACnet S4 Open Integration

Bridging Legacy Metasys® N2 Networks to Open BACnet Systems

BACnet S4 N2 Integration Appliance

S4IS Network Appliance

The S4IS BACnet-N2 integration offers flexibility and cost savings when integrating legacy Metasys® N2 networks to Open BACnet Systems.

The BACnet-N2 Integration avoids, or defers, costly
replacement or re-engineering of existing devices on
legacy Metasys® N2 buses.

Typical use cases would be to bring data from the
Metasys® N2 network into BACnet-based enterprise
applications, energy management applications, or adding best of breed BACnet global controllers and Operator Workstations from any BACnet manufacturer to legacy Metasys® installations.

Why This Solution?

  • Secure
    Follows Cybersecurity best practices.
  • Simple
    Streamlined UI makes configuring and maintaining the
    system easy.
  • Compatible
    The BACnet protocol provides universal interoperability
    with any BACnet client or value-added application.
  • Scalable
    The setup wizard automatically discovers and configures
    the legacy N2 devices on any size N2 bus.

Key Benefits

  • Delivered as a turnkey network appliance, hosted on an
    Industrial PC
  • Standard vendor tools are used to configure N2 devices
    on each N2 bus
  • All Metasys® N2 devices are supported including N2 Open,
    System-91, VMA, Facility Explorer, MIG, Centaurus
    Integrator, and 3rd party Metasys® Compatible devices
  • Supports BACnet discovery
  • Every N2 point is fully accessible, supporting read,
    write, override, and release operations as defined by
    the N2 device
  • Retain legacy supervisory controllers, i.e. NCM, N30,
    NAE et al., and all the logic they may be performing,
    via the Upstream N2 Port

Features of BACnet N2 Integration

  • Integrates legacy Johnson Controls N2 devices
  • BACnet/IP Output
  • Automatic Point Mapping
  • Supports Multiple Controllers
  • Real-time Communication
  • Minimum Downtime

Supported Data Points

Parameter Read Write
Temperature Yes
Humidity Yes
Occupancy Yes
Heating Setpoint Yes Yes
Cooling Setpoint Yes Yes
Fan Mode Yes Yes
System Mode Yes Yes

Technical Specifications

  • Power Supply:
    AC 90~240V / DC 12V / 40W
  • Network Interface:
    Ethernet
  • Serial Port:
    Supported
  • Supported Protocol:
    BACnet/IP
  • Maximum Devices:
    Multiple N2 Controllers
  • Update Rate:
    Real-time Communication
  • Operating Temperature:
    0°C to 60°C (32°F to 140°F)
  • Dimensions:
    8.27” × 7.60” × 2.60”
  • Wall Mounting Brackets
  • Mounting Hardware Screws
  • DIN Rail Mounting Kit
  • Certifications:
    Available on request

Applications

  • Commercial Buildings
  • Schools
  • Hospitals
  • Hotels
  • Airports
  • Warehouses
  • Data Centers
  • Offices

Ordering Information

Model Description
SI-N2-100 BACnet N2 Integration

Benefits

✔ Reduce integration cost ✔ Extend legacy equipment life
✔ Centralized building monitoring ✔ Lower commissioning time
✔ Compatible with modern BMS ✔ Future-ready integration

BACnet S4 Open Integration


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