5.4.10
Applications in Hazardous Locations (HazLoc)
Certain controllers, I/O packs, terminal boards, option boards, trip boards, power distribution boards, and IONet switches are
designed to operate in hazardous locations (Class 1, Division 2, Groups A, B, C, and D; Class I, Zone 2; and ATEX II 3 G).
Refer to
Mark VIe and Mark VIeS Control Systems Equipment in Hazardous Locations (HazLoc) Instruction Guide
(GEH-6725) and
Mark VIeS Functional Safety System Equipment in Hazardous Locations (HazLoc) Instruction Guide
(GEH-6861) for more information.
Note
ATEX applications are rated only for operation within an enclosure with ambient temperatures from -30 to 65 °C (-22
to 158 °F). With the latest version of firmware, the excessive heat diagnostic alarm for BPPC-based I/O packs is set at 90°C
(194 °F).
5.4.11
Applications in Harsh Environments
The Mark VIe control product line is suitable for use in G3 harsh environments, as defined in ANSI/ISA-71.04-2013
Environmental Conditions for Process Measurement and Control Systems: Airborne Contaminants.
Note
For Mark VIe control products, G3 compatibility does not depend on conformal coating, however conformal coating
is available for certain Mark VIe products.
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