ISA TR18.2.7-2017
- Alarm Management When Utilizing Packaged Systems
- standard by The International Society of Automation, 2017
- Category: ISA
$179.00
$90.00
ISA TR18.2.7-2017 provides guidance on how to integrate packaged systems (PSs) into a BPCS-based centralized alarm system. The scope includes discussing various issues that can arise when ISA-18.2 work processes are applied to facilities where PSs are used, and providing guidance on how to successfully apply ISA-18.2 in these situations.
Within the context of this report, a packaged system (PS) can be visualized as existing outside of the BPCS. It is a separate entity, usually containing an embedded microprocessor, controller or hardwired logic, which performs specific tasks for a piece of equipment or a process operating within a facility. Most PSs can be configured to send alarm or status information to a BPCS, directly to an alarm annunciation system, or both.
While not the primary emphasis of this report, some discussion is included of PSs that are stand-alone and also those that are only partially integrated with a BPCS.
PSs can take many forms but have several common characteristics. Typically, PSs combine multiple elements such as process equipment, embedded control systems (typically PLC), and instruments.
Within the context of this report, a packaged system (PS) can be visualized as existing outside of the BPCS. It is a separate entity, usually containing an embedded microprocessor, controller or hardwired logic, which performs specific tasks for a piece of equipment or a process operating within a facility. Most PSs can be configured to send alarm or status information to a BPCS, directly to an alarm annunciation system, or both.
While not the primary emphasis of this report, some discussion is included of PSs that are stand-alone and also those that are only partially integrated with a BPCS.
PSs can take many forms but have several common characteristics. Typically, PSs combine multiple elements such as process equipment, embedded control systems (typically PLC), and instruments.
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