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Warning – Yokogawa YFGW710 User Manual

Page 16

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16

IM 01W01F01-11EN

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

Antenna

(*1)

Surge

Arrester

(*1, *2)

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

[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.