Learning the basics
11
Working in a hazardous
area
A 475 Field Communicator that meets the Intrinsic Safety requirements
(I/S-approved) can be used in Zone 0 (FM), Zone 1, or Zone 2, for
Group IIC, and Class I, Division 1 and Division 2, Groups A, B, C, and
D locations.
An IS-approved 475 Field Communicator may be connected to loops
or segment
s that are attached to equipment located in Zone 0, Zone 1,
Zone 2, for Group IIC; Zone 20, Zone 21, Zone 22, and Class I,
Division 1 and Division 2, Groups A, B, C, and D locations.
IS-approved 475 Field Communicators are ordered with the KL option
and
have an additional label on the back of the 475 that lists the
approvals.
See Appendix B “Product certifications” for more information about IS
approvals and installations.
CAUTION
You can install or remove the Li-Ion battery in a hazardous area
environment. You cannot charge the battery in this environment
because the power supply/charger is not IS-approved.
Battery and
power supply/charger
The 475 Field Communicator is powered by a Li-Ion battery that has a
green, 6-pin connector. The power supply/charger also has a green
connector to match the appropriate connector on the battery. See
Figure 2-1 for the location of the connector.
Prior to using the 475 Field Communicato
r without the power
supply/charger connected, fully charge the battery.
Guidelines and precautions
Understand and follow the guidelines and precautions below before
using
the battery or power supply/charger.
• When transporting a Li-Ion battery, follow all applicable regulations.
• Protect the battery and power supply/charger from moisture, and
respect opera
ting and storage temperature limits. See Appendix A
“Reference data” for more information.
• Do not cover the battery or power supply/charger, subject it to
prolonge
d periods of direct sunlight, or place it upon or next to
heat-sensitive materials.
• Charge the battery with only the Field Communicator power
supply/ch
arger. The power supply/charger should not be used with
other products. Failure to comply may permanently damage your
475 Field Communicator and will void the IS approval and the
warranty.
• Do not open or modify the battery or power supply/charge
r. There
are no user-serviceable components or safety elements inside.
Opening or modifying them will void the warranty and could cause
personal harm.
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