Accessing The Transmitter Connection Board - ABB Navigator 550 Operating Instructions Manual

Navigator 500
Hydrazine analyzer

3.5.1 Accessing the transmitter connection board

Note. Electrical connections at the wet-section connection
board are identified in Section 3.4.2, page 15. Before fitting
cable glands, identify the connections required and cable
gland entries to be used.
Referring to Fig. 3.13:
1. Using a pozi-drive screwdriver, turn the (captive)
electronics section door retaining screw
counter-clockwise and open the door.
2. Turn the cover plate retaining screw
C
until the cover plate
D
3. Slide retaining clip
the blanking plug.
F
4. Fit cable gland and secure using nut
H
5. Remove gland cover
6. Route the cable through cable gland
enclosure case.
Note. Cable glands are supplied with single- and
twin-holed bushes. Use the single-holed bush for the
mains power cable.
7. Make connections to transmitter connection board
terminals.
H
8. Tighten gland nut .
9. Repeat steps 3 to 8 for each required connection.
10. If required, connect the Ethernet cable – refer to Section
3.4.2, page 15.
C
11. Refit cover plate
B
screw clockwise until finger-tight. Close the door to
the electronics section and turn door retaining screw
1
/ turn clockwise to secure.
4
OI/AHM550–EN Rev. A
A
1
B
anti-clockwise
can be removed.
E
off blanking plug and remove
G
.
J
and route cable through it.
F
and through the
and secure it by turning retaining
A
/ turn
4
A
Fig. 3.13 Accessing the transmitter board and making electrical
connections
C
D
J
G
F
H
E
I
B
17