The Mining & Metals Industries Division (MMID) is one of ISA Technical Divisions. Its goal is to support and advance its members who are working and/or interested in the mining and metal industries. MMID focuses on leveraging automation functionality and technology solution to enhance mining processes and metal production.

Who is best served by this division? Professionals concerned with economically and environmentally sound practices as related to the extraction of metal ores, coal, cement, sand, gravel, and other minerals-and the handling, separation, processing, fabrication, related processes, and research and development for the production of finished mineral or metal products. It also covers the Iron and Steel Making industry, Aluminum Processing and other light metals and the production and manufacturing of metals products.

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    RE: ISA's equivalent of the standard IEC 62881:2018 ...

    By: Martin Dimitrov , yesterday

    When I first put my hands on IEC-62881-2018, I expected to find many answers there, to questions frequently asked, but it came out it is 15 pages standard (including bibliography) and I didn't find the answers, that I needed. It has some useful information though. ------------------------------ ...

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    RE: "Trip" vs. "Alarm"

    By: Sriram Ramalingam , yesterday

    IMHO, HH, LL still need to be referred as 'Alarm' the same way 'H' and 'L' are referred, although it may differ in certain cases. These are Alarm limits when violated by the Process Variable (PV) have specific consequence, the consequence could be deviation from the process envelop, ...

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    RE: "Trip" vs. "Alarm"

    By: GURUPRAKASH V R , yesterday

    Hello Alan, Generally HH,LL alarms are configured in a Control system. In few cases these setpoints can be modified by an Engineer[process] based on the site conditions. Trip is configured for a Safety system. While Trip points are based on PHA/Hazop, these ...

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    RE: "Trip" vs. "Alarm"

    By: Roger Nunez , yesterday

    Usually, HH and LL are called trip points and are not actionable by the operator. While H and L are alarms which are actionable by operators. If there are two or more HHs or LLs that will cause the equipment to trip, usually a first-out alarm and tripped alarm shown in the alarm ...

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    RE: Need suggestions on new, implementable wireless ...

    By: Roger Nunez , yesterday

    For waste water plants, you can try industrial Wi-Fi radio communication, which will work as a wireless backbone for data communication between the PLCs and SCADA HMIs. Also, there are 4G LTE cellular modems that will work as data communication between two remote locations. ...

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