Rockwell Automation Allen-Bradley 1769-IF4, Руководство пользователя

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Publication 1769-UM002B-EN-P - July 2005
Installation and Wiring 2-3
Hazardous Location Considerations
This equipment is suitable for use in Class I, Division 2, Groups A, B, C, D or
non-hazardous locations only. The following WARNING statement applies to
use in hazardous locations.
Prevent Electrostatic Discharge
ATTENTION
EXPLOSION HAZARD
•
Substitution of components may impair suitability for
Class I, Division 2.
•
Do not replace components or disconnect equipment
unless power has been switched off or the area is
known to be non-hazardous.
•
Do not connect or disconnect components unless
power has been switched off or the area is known to be
non-hazardous.
•
This product must be installed in an enclosure.
•
All wiring must comply with N.E.C. article 501-4(b).
ATTENTION
Electrostatic discharge can damage integrated circuits or
semiconductors if you touch analog I/O module bus
connector pins or the terminal block on the input module.
Follow these guidelines when you handle the module:
•
Touch a grounded object to discharge static potential.
•
Wear an approved wrist-strap grounding device.
•
Do not touch the bus connector or connector pins.
•
Do not touch circuit components inside the module.
•
If available, use a static-safe work station.
•
When it is not in use, keep the module in its
static-shield box.