YASKAWA A1000 Series Quick Start Manual page 47

Wire the control circuit only after terminals have been properly grounded and main circuit wiring is complete. Refer to
Figure 35 for details. Prepare the ends of the control circuit wiring as shown in
Torque Specifications on page
NOTICE: Do not tighten screws beyond the specified tightening torque. Failure to comply may result in erroneous operation, damage
the terminal block, or cause a fire.
NOTICE: Use shielded twisted-pair cables as indicated to prevent operating faults. Improper wiring practices could result in drive or
equipment malfunction due to electrical interference.
Connect control wires as shown in the following figure:
Figure 35
A
YEC_common
A – Loosen screw to insert wire.
Wire in the following order:
TB4, TB5, TB6
B – Single wire or stranded wire
Use the space above TB2 to wire TB4 through TB6 as illustrated in
Figure 36
When setting the frequency by analog reference from an external potentiometer, use shielded twisted-pair wires (treating
wire ends as shown in Figure 37
Figure 37
A – Drive side
B – Connect shield to ground terminal of
drive.
C – Insulation
YASKAWA ELECTRIC TOEP C710616 21C YASKAWA AC Drive - A1000 Quick Start Guide
46.
TB6 TB5
Figure 35 Terminal Board Wiring Guide
Figure 36 Terminal Board Wiring
and connect the shield to the ground terminal of the drive.
F
A
B
Figure 37 Preparing the Ends of Shielded Cables
Figure
B
Preparing wire
terminal ends
TB4
C – Avoid fraying wire strands when stripping
insulation from wire. Strip length 5.5 mm.
D – Blade depth of 0.4 mm or less
Blade width of 2.5 mm or less
Figure 36.
YEC_common
C
D
E
D – Control device side
E – Shield sheath (insulate with tape)
F – Shield
3 Electrical Installation
37. Refer to Wire Size and
D
C
3
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