Chapter 2 Installing the Device
WIRING A DC POWER SUPPLY
The DC power supply, ON/OFF switch, grounding screw, and terminal blocks, are located in the back of the chassis of the power supply unit.
Grounding |
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Screw |
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DC Power
Terminal Blocks
Warning: You must shut off the current to the DC feed wires before connecting the wires to the power supplies. Also, make sure that the ON/OFF switch is in the OFF position.
To connect the DC power supply to a grounding point at your site:
1.Remove the hex nut on the grounding screw.
2.Place the ground lug on the screw then tighten the hex nut securely.
3.Connect the other end of the grounding lug wire to a grounding point at your site.
1.Strip the ends of the power cables.
2.Loosen the three screws in the top of the block. (These are captive screws, which you cannot completely remove.)
3.Insert the 48V DC power feed wires into the two outside receptacles of the terminal block.
4.Insert the 0V DC feed wires into the center receptacle.
5.Tighten the screws over the receptacles.
12 | User’s Guide |