Dear All;
I am supervising 2 sites within one factory.
Site A:
There are 5 compressors running with ABB inverters. The inverters have modbus RTU built-in. They are monitored and controlled by HC900 via modbus RTU communication.
Site B:
There are 2 compressors (stand-by) operating with Danfoss...
Hi All;
I am using FC202-200kW to run a centrifuge pump (distribution pump). Since I only make use of the soft start and soft stop, I run the inverter in Hand mode and press the '+' button to reach 50Hz output.
But the display show that the maximum is 47Hz and status is RAMPING, not RUNNING...
Hi All;
I tried looking for the same thread but ended up with the helium stuff.
Most of the manufactures (RadCom, Gutermann) that produce underground water leak detector use noise corregulator principle. I would appreciate it very much if anybody can share his/her experience with me.
I doubt...
Dear All;
Nowadays, the technology for water flow measurement is using Faraday's law (electromagnetic flowmeter) where the accuray can be +-0.25%.
But the challenge is the cost. It is extremely expensive if we want to have size 1/2 inches for residential use. It is applicable and acceptable...
Hi All;
I need some input here. I am installing drives in pump stations. Station A is located 15 miles from station B(manager office).
In Station A, there are 2 pumps with 2 drives (has modbus RTU built-in). At the moment there is no PLC orwhatsoever in station A.
Station B is luxury. It has...
Hi All;
I am trying to read the relay status in Danfoss FC202 parameter 16-71. How can I do this? Using word status or 03HEX command?
I am a bit confused on the difference between STATUS WORD and reading DO status via 03HEX command? For example, if I want to know if there is alarm in the...
