FEATURES
Protection against hazardous locations and harsh environments:
• Class I, Division 2 (U.S. and Canada)
• ATEX and IECEx Zone 2 and Zone 22
• China Zone 2 and Zone 22
• NEMA® 4X/IP66 rated
• Corrosion resistance:– Electronics: ISA-71.04. G3 level– Enclosure: UL 50E and ASTM B117
Support for up to four Triconex 3902AX/3902X UIO Modules
Input/output types that are software configurable
Support for up to 64 TMR I/O points
Wall-mounted
Available in 24 VDC, and 120/240 VAC incoming power options
Redundant power supplies
Redundant fans (available with no fans)
Supports star and daisy chain network topologies for the I/O bus
POWER DISTRIBUTION ARCHITECTURE
The SIE uses two independent 24 VDC power
sources to operate. One set of dual redundant power
supplies provides logic power to the I/O chassis and
another set of dual power supplies provides power to
the field instruments. This redundant power
architecture provides protection against a single power failure.
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