Product Short Description
The module is Emerson’s DeltaV MQ Controller, engineered for real-time process control, data acquisition and safety interlocking within hazardous-area Zone 2 installations.
Technical Specifications
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Processor: 32-bit micro-controller running at 400 MHz
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Memory: 48 MB user program space
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Power Supply: 24 VDC nominal (18 – 32 V range)
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Local-Bus Power: +5 VDC @ 1.4 A max
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Power Consumption: 25 W typical
Description
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Operating Temperature: –40 °C to +70 °C
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Storage Temperature: –40 °C to +85 °C
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Humidity: 5 % – 95 % non-condensing
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Dimensions: 230 mm × 130 mm × 67 mm; weight 2.5 kg
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Protection Rating: IP20 (Zone 2 / ATEX certified)
Functional Features
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Triple-module redundant option for fault-tolerant operation
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Hot-swap support with bumpless switch-over to standby controller
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Integrated HART pass-through for field-device asset management
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On-board NVM RAM retains entire control strategy for autonomous cold restart
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Real-time scan rates down to 100 ms and event-sequence recording (1 ms SOE)
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Configurable via DeltaV Explorer; supports ladder, structured text and advanced control blocks (MPC, neural)
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Expandable from 50 to 750 device signal tags (DSTs) via software license upgrade
Applications
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Oil & gas: wellhead control, pipeline leak detection, refinery process loops
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Chemical & petrochemical: reactor temperature/pressure control, batch sequencing
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Power generation: turbine governing, generator protection, substation automation
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Pharmaceutical: clean-room environmental control, recipe management
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Water & wastewater: remote pump stations, chemical dosing, SCADA integration
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