User Manual

Building Operator Engineering Guide

Adding Data Points Using Building Operator Discovery

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● Existing Register Map: If you've already configured a modbus connector, this

property will let you choose from a list of available registers or to create a new

one with ModbusRegMapUri.

● ModbusRegMapUri: Specify the name of the register map to link with this

connector. Replace "xxx" with whatever the name of the register map is.

● Uri: To specify the Uri, enter the host, protocol, and port (default 502).

Supported Protocols

Protocol Type

Address

TCP/IP

modbus-tcp://host/

RTU over TCP/IP

modbus-rtutcp://host/

To add a Modbus connector:

1. Navigate to and expand Connectors > Modbus in the Navigation tree.

2. Select + Add.

3. In the pop-up, select the Existing Register Map drop-down and select the file

you just uploaded.

4. (Optional) If you have not yet uploaded the register map file, you can supply a

ModbusRegMapURI.

5. The Uri field gives information on the Modbus address. You can leave

“modbus-tcp://” as the protocol address and replace “host” with the device’s IP

address.

6. Select Add when finished.

1.3.5 Adding Niagara Framework based devices to Building

Operator Discovery

This section will cover how to use a Niagra AX or Niagara 4 Framework device with

Building Operator Discovery.

This has been tested with Niagara AX3.8 and Niagara 4.8 versions. Compatibility

with older versions of Niagara have not been tested.

For additional information regarding Niagara devices and nHaystack in Building

Operator Discovery, see the following:

https://finproducts.atlassian.net/wiki/spaces/FINFramework/pages/770708023/NHa

ystack.