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Appendix B Installation In a Hazardous Environment
Connecting the Switch to the Power Converter
Connecting the Power Converter to a DC Power Source
You can also connect the power converter to a DC power source. The power converter adapts the power source voltage to the 24 VDC that the switch requires.
Follow these steps to connect the power converter to a DC power source.
Note Use copper conductors only, rated at a minimum temperature of 167°F (75°C).
Warning Use
Step 1 Measure a single length of stranded copper wire long enough to connect the power converter to the earth ground. The wire color might differ depending on the country that you are using it in.
For connections from the power converter to earth ground, use shielded
Step 2 Measure a length of
For DC connections from the power converter to the DC source, use
Step 3 Using a
0.25inch (6.3 mm) ± 0.02 inch (0.5 mm). Do not strip more than 0.27 inch (6.8 mm) of insulation from the wires. Stripping more than the recommended amount of wire can leave exposed wire from the power and relay connector after installation. See Figure
Step 4 Connect one end of the stranded copper wire to a grounded bare metal surface, such as a ground bus, a grounded DIN rail, or a grounded bare rack.
Step 5 Insert the other end of the exposed ground wire lead into the
Step 6 Tighten the
Note The torque should not exceed 10
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