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5 Installation Procedure
34
YASKAWA ELECTRIC
TOBP C730600 78D YASKAWA AC Drive Option AI-A3 Installation Manual
6.
Set DIP switches S1, S2, and S3 on the option for current or voltage input on
terminals V1, V2, and V3. The default configuration is set to voltage input for all
terminals.
Figure 25
Figure 25 Option DIP Switches
7.
Prepare and connect the wire ends as shown in
and
. Refer to
Wire Gauges and Tightening Torques on page 37
to confirm that the proper
tightening torque is applied to each terminal. Take particular precaution to ensure
that each wire is properly connected and wire insulation is not accidentally pinched
into electrical terminals.
WARNING!
Fire Hazard. Tighten all terminal screws according to the specified tightening torque. Loose
electrical connections could result in death or serious injury by fire due to overheating electrical connections.
Tightening screws beyond the specified tightening torque may cause erroneous operation, damage the
terminal block, or cause a fire.
NOTICE:
Heat shrink tubing or electrical tape may be required to ensure that cable shielding does not
contact other wiring. Insufficient insulation may cause a short circuit and damage the option or drive.
Figure 26
Figure 26 Prepare Ends of Shielded Cable
S1
S2
S3
V
V
V
I
I
I
AI
Insulation
Shield
Shield sheath
Option terminal
Customer-supplied
analog input signal
FE
(Insulate with electrical tape
or heat-shrink tubing)
AI
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