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4 x PTs (NQ5 preffered) and 5xV1000 inverters - smart solution

Started by pszczepan, 1 Jul 2009

1 post in this topic

Posted 1 Jul 2009

Hi ! I think about application for PLC model CJ1M. In one building I will have 4 touch panels - I think about NQ5 - I cannot find any user, programming manual for it. I am thinking about network 1:N between PLC and PTs - up to 500 meters net length - should be OK. Inverters will be in one gabinet, but maybe smart solution is to control them via modbus rtu - another way is to control inverter just RUN/STOP - 1NO output and analog output to control freq. E-Stop must be done through NC contact even I use Modbus RTU. What is right good solution - any ideas, problems, disadvantages. Thanks Pawel

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