B. Digital input terminal:
It needs to employ shielded cable generally, with cable length of no more than 20 meters.
When active driving is adopted, necessary filtering measures shall be taken to prevent the
interference to the power supply.
It is recommended to use the contact control mode.
C. DI Terminal Connection:
1. Connection with dry contact sharing the negative pole
Fig.3-11 Connection with dry contact sharing the negative pole
This is the most commonly used connection mode. If external power supply is used, it must
remove the short circuit copper bars between +24V and OP and between COM and CME
respectively, and connect the positive pole of external power supply to OP and negative pole to
CME.
Inverter Control Board
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