Instruction Manual
    <2. Installation, Piping, and Wiring>
2-17
IM 11B08A01-01E
 CAUTION
•  The unused electrical connection ports should be closed with an appropriate fl ameproof-
certifi ed plug.
•  The blind plug shall not be used with an adapter.
•  Analyzers have pressurized enclosures. The cable end should be sealed in order to 
apply pressure to the pressurized enclosure. Otherwise, power does not supplied to the 
electronics section.
M25x1.5
8 mm
32 mm
9/16 inch
A
3/4NPT
M25x1.5
G3/4
Connection port of the protection system
Connection port of 
the electronics section *1
Electronic section
(Pressurized enclosure)
Protection system 
(Flameproof enclosure)
Plug *2
Plate
Gasket
Nut
Connector-2
*1: Any of the six connection ports of the electronics 
  section can be equally used.
*2: A plug is attached to connector 2. Remove and keep it 
  for future use.
*3: Connector 1 is not attached at shipment.
  One of the three types of connector 2 is attached at 
 shipment.
  “N” is inscribed on the 3/4NPT connector and “G” 
  on the G3/4 connector. 
  (No inscription on the M25x1.5 connector)
Detail of A (Connector)
Connector-2
Connector-1 (accessory)
Figure 2.16  Wiring in ATEX or IECEx specifi cation
 Connection port for the protection system
Remove the attached plug and perform wiring.
For the 3/4NPT or G3/4 connection port, use the connectors in the accessory kit.
 Connection port for the electronics section
Six connection ports are provided in the electronics section. Use convenient ones.
Remove the attached plug of the connector and perform wiring.
2nd Edition : May 11, 2012-00
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