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Bat Activity Alarms and Control System Integration
The SMART System can integrate with a windfarm SCADA network or similar control system to perform acoustically triggered curtailment (ATC). You can define custom alarms that detect bat activity based on custom-defined parameters. When these alarms trigger, you can send control signals to other devices on a control system to trigger turbine shutdowns.
Control System Integration
The SMART System provides several means through which other devices can retrieve information about detected bat activity in real time. This information can be used to inform automatic wind turbine curtailment or similar control decisions.
Control System Integration with OPC UA
OPC Unified Architecture (OPC UA) is a machine-to-machine communication protocol used for industrial automation developed by the OPC Foundation. The SMART Controller OPC UA interface provides a secure mechanism for retrieving status information, system updates and alarm notifications from a SMART device.
Enable SMART System Status Events over OPC UA
A SMART System can be configured to send OPC UA events in response to possible error states, such as a detected reboot, lack of disk space, or microphone failure.
List of OPC UA Event Types
The SmartController node can publish OPC UA events in response to a bat activity alarm raising or clearing, or in response to various system states that could indicate an error.

Terms of Use
Document History
This documentation receives frequent updates, which are described here.
Introduction
Song Meter® with Analysis and Remote Transfer, or SMART™, is a multi-channel, ultrasonic audio recording and analysis platform from Wildlife Acoustics®.
Getting Started
The first time you use a SMART System, we recommend setting it up in an accessible location, such as an office. This will make it easier to configure the SMART and perform any necessary troubleshooting.
Microphone Settings and Schedules
Each microphone connected to a SMART Controller can have its own Setting Profile and Schedule Profile. These profiles determine when the microphone is active; the settings it uses to detect, record, and analyze bat echolocations; and set the scheduling of microphone sensitivity testing and moisture clearing.
SMART Controller Configuration
Before you deploy the SMART System, you should configure basic system and network settings. These include login credentials, date, location, and network configuration settings.
Data Management
The SMART System stores recordings and logs on its internal drive initially, and it can periodically transfer new data to a USB or networked storage drive.
Installing SMART
Installing the SMART System on a wind turbine, meteorological tower, or similar structure requires careful planning. Proper connectivity, grounding, and microphone placement will help ensure a successful deployment.
Bat Activity Alarms and Control System Integration
The SMART System can integrate with a windfarm SCADA network or similar control system to perform acoustically triggered curtailment (ATC). You can define custom alarms that detect bat activity based on custom-defined parameters. When these alarms trigger, you can send control signals to other devices on a control system to trigger turbine shutdowns.
- Alarms
  As the SMART System is recording and analyzing, it can trigger alarms when the characteristics of the bat call meet certain parameters. Raised alarms can be sent to a control system in order to shut down or slow a turbine.
- Control System Integration
  The SMART System provides several means through which other devices can retrieve information about detected bat activity in real time. This information can be used to inform automatic wind turbine curtailment or similar control decisions.
  - Control System Integration with OPC UA
    OPC Unified Architecture (OPC UA) is a machine-to-machine communication protocol used for industrial automation developed by the OPC Foundation. The SMART Controller OPC UA interface provides a secure mechanism for retrieving status information, system updates and alarm notifications from a SMART device.
    - Install and Configure the SMART OPC UA Server
      The SMART OPC Unified Architecture (OPC UA) Server is installed automatically with the SMART System Software version 1.3.1 or later, for either Ubuntu 18.04LTS or 22.04LTS. In order for the OPC UA Server to begin running, you must configure SCADA settings on your SMART Controller.
    - Connecting to the OPC UA Interface
      The SMART’s OPC UA Model is accessible from any client supporting the OPC UA standards (for example, the popular UAExpert client). You can connect to the server using multiple different methods, depending on your network configuration.
    - Customize Startup Arguments for the SMART OPC UA Server
      The smart-opcua service may be configured with additional startup options to suit the needs of your installation. For example, the default connection port of 4840 can be changed using the --port option.
    - SMART OPC UA Information Model
      The OPC UA Information Model describes the organization of all information that can be polled via OPC UA. This information is necessary in order to correctly request and interpret outputs from the SMART Controller.
    - OPC UA Events
      Your OPC client can subscribe to smart-opcua events published by the SmartController node (NodeId = 15740) in order to receive any OPC UA events that may occur.
    - Enable SMART System Status Events over OPC UA
      A SMART System can be configured to send OPC UA events in response to possible error states, such as a detected reboot, lack of disk space, or microphone failure.
      - List of OPC UA Event Types
        The SmartController node can publish OPC UA events in response to a bat activity alarm raising or clearing, or in response to various system states that could indicate an error.
  - Control System Integration over Modbus
    One method for integrating a SMART System with a SCADA system or similar control system is using the Modbus protocol. Other Modbus-compatible devices on the network can poll the SMART System for information about the system's status and the status of the SMART System's bat activity alarms.
  - Control System Integration Using the Digital I/O Pins
    The SMART Controller features a block of assignable, Digital I/O (DIO) pins. You can control these pins with a simple script to signal the states of up to four alarms in response to detected bat activity.
  - Serial Output
    The SMART System can output system status information and pass-level measurements of bat call parameters via its two serial ports.
Troubleshooting
Specifications
SMART Enclosure
The SMART Enclosure is a preconfigured, weatherproof enclosure that can be purchased with the SMART System.
SMART API and Command Reference
The SMART System software includes utilities, command-line scripts, and APIs that can be used for additional customized programming of the SMART System.
Glossary
Warranty
Except as specifically provided herein, Wildlife Acoustics makes no warranty of any kind, express or implied, with respect to this product.
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Prohibition Against Eavesdropping
Patents
Copyright Notices
Contact Information

List of OPC UA Event Types

The SmartController node can publish OPC UA events in response to a bat activity alarm raising or clearing, or in response to various system states that could indicate an error.

These events are fully specified in the files located at /usr/local/share/smart/opcua.

Table 1. Bat Alarm OPC UA Events
Event Name	Description
`BatPassRaiseAlarmEventType`	Generated when a bat pass alarm is raised.
`BatPassClearAlarmEventType`	Generated when a bat pass alarm is cleared.
`BatPulseRaiseAlarmEventType`	Generated when a bat pulse alarm is raised.
`BatPulseClearAlarmEventType`	Generated when a bat pulse alarm is cleared.

Table 2. SMART System OPC UA EventsThese alerts must be enabled in the SMART Control Panel's Maintenance tab, under Email Alerts, in order to be published via OPC UA.
Event Name	Event Message	Description
`SystemRebootEventType`	`System Reboot Alert Triggered`	The SMART System has detected a reboot since the last reboot time stamp.
`SystemDiskFullEventType`	`Disk Full Alert Triggered`	The SMART System's internal disk space has fallen below the threshold defined on the Maintenance tab, under Email Alerts.
`SystemMicMissingEventType`	`Microphone Missing Alert Triggered for microphone prefix`	The SMART System has lost connection with the specified microphone.
`SystemPrimaryMicCalibrationEventType`	`Primary Microphone Calibration Alert Triggered for microphone prefix`	The calibration result for the primary element of the specified microphone has fallen below the specified threshold on the Maintenance tab.
`SystemBackupMicCalibrationEventType`	`Backup Microphone Calibration Alert Triggered for microphone prefix`	The calibration result for the backup element of the specified microphone has fallen below the specified threshold on the Maintenance tab.
`SystemMicFailedEventType`	`Microphone Failure Alert Triggered for microphone prefix`	The calibration results for both the primary and backup elements of the specified microphone have fallen below the specified threshold on the Maintenance tab.