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<Read Me First>
IM 01W02E02-11EN
Note 4. Installation
F08.ai
Hazardous
Location
Hazardous
Location
Nonhazardous
Location
Zone 2
Electrical Equipment
(e.g.) “d”,”i”,”Type n” equipment
YFGW520
Field Wireless Access Point
Radio wave
(IEEE802.15.4)
Control
Equipment1
metal wiring
or
optical fiber
ISA
Power
Supply
wiring
*1:These apparatus are simple apparatus.
*2:Surge protective device is not always installed.
Antenna
(*1)
Surge
protective
device
(*1,*2)
NOTE
• The equipment must be installed in accordance with EN 60079-14 and relevant local codes.
• The equipment must be installed in accordance with the user’s manual.
• Electrostatic charges on the non-metallic parts (excluding glass parts) or coated parts of the
Field Wireless Access Point must be avoided.
• The thread type of the cable entries must be confirmed according to the user’s manual.
• Screws of power supply terminals must be tightened with specified torque values: 1.2 Nm to
1.4 Nm.
• Cable glands, adapters must be of Ex “n”, Ex “e” or Ex “d” and must be installed so as
to maintain the specified degree of protection (IP code) according to the environmental
conditions. IP must be least IP54.
• Keep the cap attached to the antenna connector (N type) until the installation of the antenna
or antenna cables to protect the inside of the connector from exposure of light. In case
the antenna or antenna cables are removed from the connector, the inside of the antenna
connector must be protected from exposure of light.
• The antenna and the surge protective device are simple apparatus.Li and Ci of the simple
apparatus shall be negligible.