NF EC1000SA, Instruction Manual

Page: 41 / 283

3.3 I/O Terminals
EC1000SA 3-10
Connect cables to the output terminal block as described below.
Outputs are isolated from the input power lines and case.
1.
Remove a screw attached to the output terminal block.
2.
Insert the screw through the round crimp contact at the end of the cable.
3.
Reattach the screw into the OUTPUT terminal while holding the crimp contact in place.
4.
Turn the screw until it is securely fastened. The recommended fastening torque is 1.2 (N
⋅
m).
5. Connect the Hi, Lo, and ground cables, then attach the terminal cover.
To tighten: Turn clockwise.
To loosen: Turn counterclockwise.
Figure 3-6. Connection to Output Terminals
To ensure safety, always turn the power off before connecting to output cables.
When using the EC1000SA as a DC power supply, it is necessary to connect a diode for protection,
depending on the load, such as a capacitor and inductor.
For how to connect a diode for protection,
See “4.1.1 Connecting output terminal to
load during DC output”
.
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WARNING
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CAUTION