IM 12D08N05-01E
3-5
<3. INSTALLATION AND WIRING>
WARNING
Always place the screen plate over the power supply and contact terminals for safety
reasons and to avoid interference.
5. Put back (replace) the screen (shield) plate over the lower terminals.
6. Connect the analog output(s), the sensor inputs, and, if necessary, the HART
®
wiring
and input contact.
7. Use the front three glands for analog output, sensor inputs, contact input and HART
®
wiring (see figure 3.5).
8. Swing back the cover and secure it with the four screws.
9. Switch on the power. Commission the instrument as required or use the default
settings.
CAUTION
Do not turn on power with the touchcsreen pressed, otherwise inaccurate screen
positioning will occur. If it occurs, leave the touchscreen unpressed, turn off power then on
again. The screen positioning will be accurate.
3.2.2 Cables, Terminals, glands and conduit adapter
SC450G-A(D)-A
The SC450G is supplied with terminals suitable for the connection of finished wires in the
size range of 0.13 to 2.5 sq.mm. (26 to 14 AWG). The cable glands supplied will form a
tight seal on cables with an outside diameter of 6 to 12 mm (0.24 to 0.47 inches). Unused
cable entry holes must be sealed with cable glands including the close up plugs supplied.
SC450G-A(D)-U
The SC450G is supplied with terminals suitable for the connection of finished wires in the
size range of 14- 26 AWG. The cable entry holes are sealed with FM certified plugs. Prior
to cable entry the plugs can be removed with allen key size 3/8” The cable conduit fittings
can be mounted in the holes of the housing as required. The cable glands supplied with the
unit will give a tight seal on cables with outside diameter of 0.24 to 0.47 inches.
