Vacon NX series Applications Manual page 71

MULTI-STEP SPEED CONTROL APPLICATION
NOTE!
See jumper selections below. More information in the product's User Manual.
Fig. 11: Jumper selections
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Jumper block X3:
CMA and CMB grounding
CMB connected to GND
CMA connected to GND
CMB isolated from GND
CMA isolated from GND
CMB and CMA internally
connected together,isolated
from GND
= Factory default
VACON · 71
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