BACnet-P1

BACnet-P1

by Rajesh Vavadiya

S4IS BACnet P1 Integration

Bridging Legacy Siemens® P1 Networks to Open BACnet Systems

S4IS Network Appliance

S4IS Network Appliance

The S4IS BACnet-P1 integration offers flexibility
and cost savings when integrating legacy Siemens®
P1 networks to Open BACnet Systems.

The BACnet-P1 Integration avoids, or defers,
costly replacement or re-engineering of existing
devices on legacy Siemens Apogee P1 buses. This
includes predecessor systems from Staefa, Landis
and Gyr, Powers, or MCC Mark Controls.

Typical use cases would be to bring data from the
Siemens® P1 Floor Level Network (FLN) into
BACnet-IP based enterprise applications, energy
management applications, or adding best of breed
BACnet global controllers and Operator Workstations
from any BACnet manufacturer to legacy Siemens®
installations.

Why This Solution?

  • Secure
    Follows Cybersecurity best practices.
  • Simple
    Streamlined UI and wizards make configuring and
    maintaining the system intuitive.
  • Compatible
    The BACnet IP protocol provides universal
    interoperability with any BACnet client or
    value-added application. Supports the BACnet
    priority array.
  • Scalable
    The setup wizard automatically discovers and
    configures the legacy P1 devices on up to 4 P1
    (FLN) buses of any size.
  • Templates defining point lists are user customizable.

Key Benefits

  • Delivered as a turnkey network appliance, hosted on an Industrial PC
  • Standard vendor tools are used to configure P1 devices on each P1 bus
  • All Siemens® P1 devices are supported including TEC, DPU, or MPU devices
  • Supports BACnet discovery
  • Every P1 point is fully accessible, supporting read, write, and COV options
  • Coexist with legacy Building Level Network (BLN) devices via the Upstream P1 Port

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

  • Built-in Chassis Power Supply:
    Power Adapter Included
  • Network Interface:
    Ethernet
  • Serial Port:
    Supported
  • Supported Protocols:
    BACnet/IP and Siemens P1
  • Maximum Devices:
    Up to 4 P1 (FLN) buses
  • Update Rate:
    Real-time communication
  • Operating Temperature:
    0°C to 60°C (32°F to 140°F)
  • Dimensions:
    8.30” × 8” × 3.50”
  • Warranty:
    One year manufacturer’s warranty
  • Certifications:
    Available on request

Applications

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

Ordering Information

Model Description
SI-P1-100 Siemens P1 Integration

Benefits

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

BACnet P1 Open Integration


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