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Chapter2 Connection
Manual of NVUM_SP
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NVUM_SP Pin No. MPG Pin No. and color
WHA+ A+ green
WHA- 0V Black
WHB+ B+ white
WHB- 0V Black
Table 2-1. Connection Between Single MPG and NVUM_SP
2.2.4 Spindle control output
We define the interface from left are: INDS(spindle speed feedback input), VSO(0-10V
adjustable speed output), M3(Spindle run switch), GND1(Output GND).
Take Nowforeuer inverter as the example. Spindle control output and the inverter connection
showed as Figure 2-7.If ACM and DCM are closed,only need to connect one port.
If need the Mach 3 to show the real in time spindle speed,just fix one hall device,every
revolution send one pulse between INDS and GND1,pulse voltage is 5V-10V.
Figure2-7. spindle control output and inverter connection
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