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Last Updated: 8/20/2021 11:32:16 AM

Previous SEL Number: 04SW-05-SCAD

Description: A software/hardware system designed primarily to monitor and control remote sensors and actuators. Uses vary from large-scale examples such as refinery or power grid control to building HVAC systems.

While some sensors and other hardware may be required, this functionality may also be obtainable via subscription as a cloud-based service using a web browser interface, as opposed to purchasing software. However, special security considerations apply for data stored remotely. See 04AP-11-SAAS for further information.

ImportantFeatures: Remote monitoring and operation of large numbers of devices.
Pre-set control functions such as duty cycling of equipment, or automatic device activation or alarms based upon sensor inputs exceeding set limits.

Operating Considerations: Type(s) of communication between remote points and central controller(s), and susceptibility to interference.
Architectural structure may involve only a single controller with direct access to all points, or a hierarchical structure with intermediate controllers able to perform some functions autonomously.

System security concerns are extremely important. Devices of this type should be relegated to a separate network, preferably one with no interconnections to other networks. If implementation requirements dictate some level of interconnection, network firewalls with extremely restrictive rules should be used to protect the SCADA-network from other general purpose networks.

Training Requirements: Core Training: Per Manufacturer's Specifications. Additional training required for system administrators.
Initial Training: Minimal (<1 day)
Sustainment Training: Minimal (<1 day)

Mandatory Standards:

Applicable Standards and References: