Yokogawa ADMAG AXF - Manual (Page 45)

IM 01E20D01-01E 4-11
4. WIRING
F0421.EPS
Gasket
Washer
Tightening gland
When working on conduit pipes or flexible pipes (PF1/2 only)
Cable
PF1/2
Figure 4.2.5 Waterproof Gland with Union Joint
(Optional code EU)
Plastic gland
F0422.EPS
Gasket
Figure 4.2.6 Plastic Gland (Optional code EP)
(3) Conduit Wiring
When wiring the conduits, pass the conduit through the
wiring connection port, and utilize the waterproof
gland to prevent water from flowing in. Place the
conduit pipe on an angle as shown in Figure 4.2.7.
Install a drain valve at the low end of the vertical pipe,
and open the valve regularly.
F0423.EPS
Drain valve
Figure 4.2.7 Conduit Wiring
4.2.4 Wiring Connections
WARNING
Before wiring, be sure that the power supply for
AXFA11 or AXFA14 converter has been turned
off to prevent an electrical shock.
(1) Removing Cover (Size 2.5 to 1000 mm (0.1
to 40 in.))
Loosen the cover locking screw clockwise using a
hexagonal wrench (nominal size 3) to unlock the cover.
(Upon shipment from the manufacturing plant, the
cover is unlocked.) Hold the flowtube with your hand
and remove the cover by turning it in the direction of
the arrow as shown below.
F0424.EPS
Figure 4.2.8 Removing the Terminal Box Cover (Remote
Flowtube)
(2) Terminal Configuration
When the cover is removed, the connection terminals
will be visible.
Terminal
Symbols
A
B
C
EX1
EX2
Flow signal output
Excitation current input
Protective grounding
(Outside of the terminal)
Description
F0425.EPS
Figure 4.2.9 Terminal Configuration (General-Purpose
Use, Submersible Type, Sanitary Type, Size
2.5 to 400 mm (0.1 to 16 in.))