2. Installation, Piping, and Wiring
72
TI 11B08A01-01E
n
ATEX, IECEx, NEPSI
WARNING
• All wiring shall comply with Local Electric Codes and Requirements.
• In a hazardous area, use appropriate flameproof-certified 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).
CAUTION
• The unused electrical connection ports should be closed with an appropriate flameproof-
certified 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
32 mm
9/16 inch
A
3/4NPT
M25x1.5
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 *3
*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 two types of connector 2 is attached at
shipment.
“N” is inscribed on the 3/4NPT connector.
(No inscription on the M25x1.5 connector)
Detail of A (Connector)
Connector-2
Connector-1 (accessory) *3
Figure 2.15
Wiring in ATEX, IECEx or NEPSI specification
Sep. 07, 2017-00
