Yaskawa V7 Drives - Manual (Page 6)

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The Drive leaves the factory with parameters initialized for 2-Wire control (when
using external Run/Stop signals). Before using the initialization function of constant
n001, know your control wiring configuration:
10 = Factory 2-Wire Control Initialization (Maintained RUN Contact)
11 = Factory 3-Wire Control Initialization (Momentary START/STOP Contact)
Entering either Initialization code resets all parameters to factory settings, and
automatically returns parameter n001 setting to “ 1 ”. If the Drive is connected for
3-Wire control and this parameter is set to “ 10 ” (2-Wire Control Initialization), the
motor may run in reverse direction WITHOUT A RUN COMMAND APPLIED.
Equipment damage or personal injury may result.
Parameter n012 must be set to proper motor voltage.
Always ground the Drive using the ground terminal provided.
Never connect main circuit output terminals T1 (U), T2 (V) & T3 (W) to AC main cir-
cuit power supply.
When programmed for auto-restart ( n082 = " 1 " thru " 10 "), the motor may restart
unexpectedly — personal injury may result
For Enclosed wall-mounted type (NEMA type 1)
When mounting units in an enclosure, remove the top, bottom and terminal covers. Install
a cooling fan or some other means to maintain the air entering the enclosure below 113°F
(45°C).
For Water and dust tight type (NEMA type 4X/12)
Never submerge this model in water. For the cable lead-in section, use a waterproof cable
gland. After completion of wiring, mount the front cover and bottom cover with care so as
not to damage the gasket. The front cover mounting screws and bottom cover mounting
screws are made of stainless. Replacements must be of stainless steel and the same
length.
IMPORTANT
• Wiring should be performed only by qualified personnel.
• Verify that the rated voltage of the drive matches the voltage of the incoming power.
• Some drawings in this manual are shown with the protective covers and shields removed, in order to
describe detail with more clarity. Make sure all covers and shields are replaced before operating this
product.
• This manual may be modified when necessary because of product improvement, modification, or
changes in specifications.
• YASKAWA is not responsible for any modification of the product made by the user, doing so will void
the warranty.
CAUTION