User's Manual AXF Magnetic Flowmeter Integral ... - Yokogawa

4. WIRING
NOTE
• For power cables, always use a crimp terminal
with an insulation cover.
• Use crimp tools from the manufacturer of the
crimp terminal you want to use to connect the
crimp terminal and cable.
• Use crimp tools that are appropriate for the
diameter of the cable to be connected.
4.1.3 Wiring Ports
This instrument is of watertight construction as
stipulated in JIS C0920-1982. (Tests to prove protection
against ingress of water and degrees of protection
against ingress of solid objects for electrical equipment.)
It is shipped with a wiring bracket (waterproof
gland or waterproof gland with union) or a plastic
gland attached, only in cases where an optional
specification is selected for the wiring port.
In case of the explosion proof type, refer to Chapter 8.
Figure 4.1.1
Washer
Cable
Gasket
Waterproof gland
F0401.EPS
Waterproof Gland (Optional code EG)
For working on the electric wire tubes or the flexible
tubes (PF1/2), remove the waterproof gland and attach
them directly to the wiring port.
(1) When there are no particular optional
specifications
The wiring port is sealed with a cap (not water-proof)
that must be removed before wiring. At this time,
handle the wiring port in accordance with the JIS
C0920-1982 mentioned above.
(2) Wiring using waterproof glands
PF1/2
Gasket
Washer
Tightening gland
IMPORTANT
To prevent water or condensation from entering
the converter housing, waterproof glands are
recommended. Do not over-tighten the glands or
damage to the cables may result. Tightness of
the gland can be checked by confirming that the
cable is held firmly in place.
Figure 4.1.2
Cable
When working on conduit pipes or flexible pipes (PF1/2 only)
Waterproof Gland with Union Joint
(Optional code EU)
F0402.EPS
Plastic gland
F0403.EPS
Figure 4.1.3
Plastic Gland (Optional code EP)
4-2
IM 01E20D01-01E