Yokogawa YFGW710 - Manual (Page 51)

<A3. YFGW710 Field Wireless Integrated Gateway>
A3-31
IM 01W01F01-01EN
Hazardous Area
Zone 0/Zone 1/Zone 2
*1: These apparatus are simple apparatus.
*2: Surge Arrester may not be installed.
Electrical Equipment
(e.g.) “d”, “i”, “Type n” equipment
Hazardous Area
Zone 2 only
YFGW710
Field Wireless integrated gateway
Nonhazardous or Hazardous Area
Zone 2 only
Radio wave
(IEEE802.15.4)
wiring
Control Equipment
Power Supply
metal wiring
or
optical fiber
Antenna
(*1)
Surge
Arrester
(*1, *2)
[Control drawing]
(2) Operation
WARNING
• Take care not to generate mechanical sparking when access to the instrument and periph-
eral devices in hazardous area.
(3) Maintenance and Repair
WARNING
• The instrument modification or parts replacement by other than authorized Representative
of Yokogawa Electric Corporation is prohibited and will void the EHSRs.
• When Opening the cover, the enclosure should be dry and clean to prevent from ingress
water or dust.