3408/3410/3412 Series Industrial PC System Manual
40
Warning
When inserting the wire ends of the power cable into the block plug, be
sure there is no exposed wire. Trim the wire ends of the cable or cut a
new cable if necessary.
4.
Insert the three wire ends of the power cable into the three holes of the block plug.
Insert the Protective Earth GND ground, L1, and L2/N wires into the corresponding
holes, as shown in Figure 3-21. Be sure that no bare wires are exposed.
Figure 3-21. AC Power Connector
5.
Tighten the three screws above the wires to hold them firmly in place.
Warning
Never tighten the three screws of the block plug when the cable is con-
nected to a power source. The screws are conductive and have full con-
tact with the cable wire.
6.
Use a cable clamp and #6-32 screw (provided) to secure and provide strain relief to
the power cable. When installing the power cable to the unit, use the securing screws
on each side of the plug. This strain relief is mandatory for hazardous locations com-
pliance.
Warning
Be sure to completely loosen the two securing screws on the plug when
disconnecting the power cord from the unit.
DC Power Cable
You must create a DC power cable to supply power to units with DC power supplies.
You will need the following materials:
•
A three-position power connector (supplied)
•
A braid/foil shielded power cable with three 18 (1.0 mm), 16 (1.3 mm), or 14 (1.6
mm) AWG solid or stranded copper wire, rated 80º C or better.
Perform the following steps to create the cable:
