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<Read Me First>
IM 01W02E01-11EN
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FM Approval
Caution for FM Nonincendive Approval
(1) Technical Data
Note 1. Model YFGW510 Field Wireless Access Point with optional code FN17 is applica
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ble for use in hazardous (classified) locations.
• Applicable standards: Class 3600:2011, Class 3611:2004, Class 3810:2005,
NEMA 250:2003
• Nonincendive for Class I, Division 2, Groups A, B, C and D;
Alternatively for Class I, Zone 2, Group IIC
Suitable for Class II, Division 2, Groups F and G;
Suitable for Class III, Division 1
• Locations: Indoor/outdoor in hazardous (classified) locations
• Enclosure: Type 4X
• Temperature Class: T4
• Ambient Temperature: -40 to 65ºC
• Altitude: Up to 3000m
• Power supply: 10.0 V DC to 26.4 V DC (Rated voltage: 24.0 V DC)
• Power dissipation: 3.5 W max
• RF power: 60 mW max (ISA100.11a; IEEE802.15.4),
64 mW max (Wireless LAN: IEEE802.15.11a/b/g)
• Cable parameters for antenna connection: Ccable: 4 nF, Lcable: 20 μH
(2) 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 FM Approvals approval.
(3) Installation
WARNING
• The installation of the devices should be carried out by the engineers or other professional
personnel of the related expertise. The installation should not be carried out by operators or
other unprofessional personnel.
• The equipment shall be installed in accordance with the user’s manual and following Control
drawing pages. (Doc. No. NFM027-A14)
• Screws of power supply terminals shall be tightened with specified torque values: 1.2 Nm to
1.4 Nm.