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OPAL-RT simulators can operate as a BACnet client via a gateway device to connect and communicate with external BACnet devices.
BACnet is a communication protocol for Building Automation and Control (BAC) networks that leverage the ASHRAE, ANSI, and ISO 16484-5 standard protocol. BACnet was designed to allow communication of building automation and control systems for applications such as heating, ventilating, and air-conditioning control (HVAC), lighting control, access control, and fire detection systems and their associated equipment. The BACnet protocol provides mechanisms for computerized building automation devices to exchange information, regardless of the particular building service they perform.

Platform Compatibility

Product Selection Guide

To create BACnet connections a software license (OP3150) and Gateway kit (OP3151) are required. Since the Gateway connects to the Real-Time Simulator via ethernet interface (RJ-45), if additional interfaces are required in the simulator then a physical ethernet port add-on module will need to be added (see OP3821 and I350T4V2BLK).

TypeProduct Number(s)OptionalDescriptionSimulator CompatibilityAdditional requirement(s)

Driver BACnet for interfacing building automation and control network - 50 I/O data points included. Requires OP3151 - QuickServer Gateway kit.


BACnet - QuickServer Gateway Kit - High-performance, fully configurable, and cost-effective building and industrial automation IIoT gateways from Sierra Monitor
- Supports up to 250 data points
- includes AC Power Supply, DIN Mounting Bracket assembly, Ethernet cable, mini-screwdriver and a USB flash drive with all necessary data sheets, manuals, Enotes

Add-on moduleOP3821

Dual-port PCI-E X1 Gigabit Ethernet Kit for OP4510 Real-Time Simulators. Can be added if more physical ethernet ports are required for Modbus TCP.

OP4510 requires its PCIe slot to be available
Add-on moduleI350T4V2BLK

Intel I350T4V2 Quad Port Ethernet Server Adapter 10/100/1000 Mbps. Can be added if more physical ethernet ports are required for Modbus TCP. 

Open PCIe slot required
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