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Chapter2 Connection
Manual of NVUM_SP
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Now just make a switch between OUTX(X=1-3) and GND,to control the relay output, the
connection as the Figure 2-5.External power supply need to accord with the relay specification,the
internal optocoupler GND open circuit only can absorb less than 50mA current,if relay absorb the
current over 50mA,pls add current amplifier. In the Figure connect with OUT3,the others similar.
Figure2-5. OUTX connect with external relay method
2.2.3 MPG connection
The MPG port totally have 18 wiring terminals, Pin number see as Figure 2-6. And the
reference of each wiring terminal definition is table 2-2. The reference of corresponding relation
between system and MPG wiring is table 2-3 and table 2-4.
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