Karda KD4000-2S Series User Manual
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Contents
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Chapter 2 Installation and wiring8NO-CM The open point of outputinstruction signalNC-CM The closed point of outputinstruction signalFI-ACM Input terminal of analogcurrent 4 ～ 20mAFV-ACM Input terminal of analog voltage 0 ～ +10V / Maximumoutput frequency10V-ACM Power for setting speed +10V Speed instructionpowerA+ Communication terminal A RS485B+ Communication terminal B§The control signal wire is shielded and stranded§ Wire for RS-485 communication should be the twisted pair2.6 Safety Considerations1. Please use right wires according to relative laws. When the distancebetween inverter and motor is over than 25meters, should raise wiringstandard.2. Between the three-phase AC input power and main circuit terminal(R,S,T) there must be a fuse switch. Make an electromagnetic contactorin series to cut off power before the inverter steer its protection.3. Ground terminal to the first grounded wiring.The ground impedance must be less than 100R. Or make the groundwire dimension is same with the main circuit wires. |
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