Rockwell Automation 1762-IR4 RTD/Resistance Input Module - Manual (Page 21)

Publication 1762-UM003A-EN-P - February 2003
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
WARNING
!
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 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.