Instruction Manual

<2. Installation, Piping, and Wiring>
2-16
IM 11B08A01-01E
3/4NPT(F)
9/16 inch
A
3/4NPT
Connection port of the protection system *3
Connection port of the electronics section *1
Electronic section
(Pressurized enclosure)
*1: Any of the six connection ports of the
electronics section can be equally used.
*2: A plug is attached to connector.
Remove and keep it for future use.
*3: In the FM-Y, the protection system is
not provided.
Protection system *3
(Flameproof enclosure)
as close as possible
not more than 18 inches (457 mm)
18 inches (457mm)
maximum
Sealing Fitting
Conduit
HAZARDOUS
LOCATIONS
NON-HAZARDOUS
LOCATIONS
Detail of A
Connector
Nut
Gasket
Plate
Plug *2
NONHAZARDOUS
LOCATION
EQUIPMENT
NONHAZARDOUS
LOCATION
EQUIPMENT
Figure 2.17 Wiring in FM specifi cation
 ATEX, IECEx
WARNING
• All wiring shall comply with Local Electric Codes and Requirements.
• In a hazardous area, use appropriate fl ameproof-certifi ed parts for connecting cables.
• All externally powered input signals into the pressurized enclosure shall be isolated by
external relays controlled by the Ex px protection system(Ex px safety device).
2nd Edition : May 11, 2012-00