Inovance MD280NT2.2GB - Page 50

MD280 User Manual Mechanical and Electrical Installation
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Wiring of Control Circuit Terminals
1 Wiring of A
I terminals
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shielded cable must be used and the cable length must be less than 20 m, as shown in
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Figure 3-24 Wiring mode of AI terminals
10 V
AI1
GND
Potentiometer
PE
< 20 m
MD280
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or ferrite magnetic core at the analog signal source.
Figure 3-25 Wiring of AI terminals in special scenarios
AI1
GND
Cross or wind two or three
coils in the same direction
0.022 uF, 50 V
Ferrite
magnetic core
C
MD280
2 Wiring of DI terminals
Generally, use shielded cables not longer than 20 m. When active driving is adopted,
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recommended to use the contact control mode.
3 Wiring of DO terminal
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absorption circuit inside the AC drive. The load current is not larger than 50 mA. If the load
is too large, use a relay.
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