Electrical Installation
3
3.5 Control Circuit Wiring
YASKAWA SIEPYEULA5001C LA500 Technical Manual 61
A - Wire with a crimp ferrule attached, or
unsoldered wire with the core wires lightly
twisted
B - Pull back the shielding and lightly twist the end
with your fingers to keep the ends from fraying.
C - When you do not use crimp ferrules, remove
approximately 5.5 mm (0.21 in) of the covering
at the end of the wire.
Figure 3.24 Wiring Procedure for the Control Circuit
Note:
• It is easier to wire TB1-1 first, then TB1-2, then TB1-3.
• Do not solder the core wire. Soldered wiring connections can become loose and cause the drive to malfunction.
• Refer to Figure 3.25 for information to prepare terminal ends of the shielded wire.
• Prepare the wire ends of shielded twisted-pair wires as shown in Figure 3.25 to use an analog reference from an external
frequency setting potentiometer to set the frequency. Connect the shield to the ground terminal of the drive.
A - Connect the shield to the ground terminal of the
drive.
B - Sheath
C - Insulate with electrical tape or shrink tubing.
Figure 3.25 Prepare the Ends of Shielded Wire
3. Install the front cover.
If you moved Jumper S5, attach the keypad before you attach the front cover.
If you did not move Jumper S5, attach the front cover.
Make sure that you do not pinch wires or signal lines between the front cover and the drive before you
reattach the cover.
Figure 3.26 Install the Front Cover
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