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Post by tronicgr on Dec 12, 2014 17:15:03 GMT
Hi faizulri , I can give you an example I quickly found that short of fits the description: Just replace the pressure sensor with position sensor and the PID controller with AMC1280USB and you will see how everything falls in place. Thanks
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Post by riton39 on Dec 12, 2014 17:35:54 GMT
Indeed, forced ventilation is essential if the engine warms up. in my case I use a forced ventilation.
my motors and drives are set optimal way for speed. changes from high speed to a displacement of 180 ° does not allow the internal ventillator work properly
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Post by billo2404 on Dec 21, 2014 14:43:21 GMT
Mi scuso ma la lingua mi complica un po' lo studio dell' argomento: Ho comprato i miei inverter prima di leggere questo tread ma fortunatamente si possono usare sia im modalità vettoriale che in modalità V/F (correggetemi se sbaglio) Gli inverter in questione sono: OMRON 3G3MV-A2007 I sensori di posizione servono lo stesso e infatti ho ordinato quelli consigliati da Thanos Ora devo acquistare i motori e non ho capito se devo cercare qualcosa di porticolare o vanno bene i classici motori trifase asincroni? I apologize but the language I slightly complicates the study of the topic: I bought my inverter before reading this tread but fortunately you can use either vector mode im in V/F mode (correct me if I'm wrong) The inverter in question are: OMRON 3G3MV-A2007 The position sensors are the same, and in fact I ordered those suggested by Thanos Now I have to buy the engines and I haven't figured out if I have to search for something particular or fit the classic asynchronous three-phase Motors?
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Post by billo2404 on Mar 27, 2015 0:13:25 GMT
Hi folks. @ riton39: I saw that you already used in the past for omron. Please can you help me configure my .... I'm going crazy obviously demand is addressed to all those who want to help me out
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Post by Markus on Dec 3, 2015 20:34:47 GMT
Hi Thanos I am about to wire the SK200E from NORD (www.nord.com/cms/de/documentation/manuals/details_1139/detail_42480.jspfrom) to the AMC1280 board. By looking at the wire diagram which was drawn for the VFD from SEW (please see attachment: 151203.pdf (474.09 KB)), I am asking myself: 1)Why the setpoint 0-10V is connected to REF1? Shouldn’t it be connected to AI11? and 2)Where has the digital GROUND (9) to be connected on the AMC1280 board? Thanks a lot and best regards, Markus
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Post by tronicgr on Dec 3, 2015 21:15:52 GMT
Hi Thanos I am about to wire the SK200E from NORD (www.nord.com/cms/de/documentation/manuals/details_1139/detail_42480.jspfrom) to the AMC1280 board. By looking at the wire diagram which was drawn for the VFD from SEW (please see attachment: View Attachment), I am asking myself: 1)Why the setpoint 0-10V is connected to REF1? Shouldn’t it be connected to AI11? and 2)Where has the digital GROUND (9) to be connected on the AMC1280 board? Thanks a lot and best regards, Markus Hi Markus, You are right the 0-10v analog signal from the 6DOF ext should be connected to AI11. Its a mistake on the drawing (not my drawing). The digital GROUND (9) should be connected to the GND on the 6DOF ext board. Thanks Thanos
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Post by catherinev on May 24, 2016 3:04:08 GMT
I think you may take a try of the Veichi VFD inverters to let the problem solved easily.
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Post by tronicgr on May 24, 2016 3:37:56 GMT
I think you may take a try of the Veichi VFD inverters to let the problem solved easily. Please, stop advertising specific brands, without saying how it will solve problems. Show us how it would solve the problem (what is the problem anyway?) Thanks Thanos
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paiva
New Member
Posts: 24
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Post by paiva on Nov 14, 2016 18:00:04 GMT
Hi all,
I was wanting to increase the speed (rpm) of the engine in the VFD, I use sew inverter, 1.5hp and motor 1,5hp 1720rpm, with reduction of 30: 1. I think it was slow. Does anyone work with the engine above the factory rpm ?
Thanks.
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Post by vicpopo on Nov 14, 2016 20:01:38 GMT
Hi !
The inverter functionality is the ability to go above and below the nominal motor speed.
Personaly I already tested both . My nominal rpm is 1400 rpm and I tested at 2000 rpm and 1000rpm for the max speed.As my gear ratio is 100:1 and as my simulator has short movements I wold prefer not to go,above 1300 rpm.
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johann
Junior Member
Posts: 57
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Post by johann on Dec 16, 2016 14:23:47 GMT
Hi everybody, I need help. Please could someone answer my question for the right inverters to use. Can I use the Hitachi WS200_004SF VFD inverter for a motor like this: AC warm gear motor power 0.37KW RPM in: 900, RPM out: 18 Gear ratio 1:50 Torque 122Nm To me it seems the WS200_004SF is the same as the WS200_007SF (recomended from Thanos) but with less power. The description for the recommended motor with the 004SF is: high overload 0,55 KW, 150%, 60s continuous load 0,75KW, 120%, 60s and for the 007SF: high overload 1,1 KW, 150%, 60s continuous load 1,5KW, 120%, 60s I hope you can help me and answer my question. I’ve done the hardware for my FSX hexapod platform (payload over all 160Kg). I'll use Thanos AMC1280USB board for it. Now I’ve to buy the right inverters and motors. See attached picture and have also a look to this thread: motionsim.freeforums.net/thread/93/torque-requirement?page=3Would be really helpful to know which one are the right on. Thank you very much for your help. Johann
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Post by tronicgr on Dec 16, 2016 17:52:53 GMT
Hi everybody, I need help. Please could someone answer my question for the right inverters to use. Can I use the Hitachi WS200_004SF VFD inverter for a motor like this: AC warm gear motor power 0.37KW RPM in: 900, RPM out: 18 Gear ratio 1:50 Torque 122Nm To me it seems the WS200_004SF is the same as the WS200_007SF (recomended from Thanos) but with less power. The description for the recommended motor with the 004SF is: high overload 0,55 KW, 150%, 60s continuous load 0,75KW, 120%, 60s and for the 007SF: high overload 1,1 KW, 150%, 60s continuous load 1,5KW, 120%, 60s I hope you can help me and answer my question. I’ve done the hardware for my FSX hexapod platform (payload over all 160Kg). I'll use Thanos AMC1280USB board for it. Now I’ve to buy the right inverters and motors. See attached picture and have also a look to this thread: motionsim.freeforums.net/thread/93/torque-requirement?page=3Would be really helpful to know which one are the right on. Thank you very much for your help. Johann There is a reason I suggest using VFD inverter that is rated bigger than the motor. The way we use these AC motors with fast stops or fast reverse of direction, spikes the power (current) required and goes over the specs of normal operating conditions of the VFD inverters. You should consider using in the calculations the wosrt case scenario current which is the STALL current for the motors. The stall current is happening when the motor is in stand still and you start it, but also can happen when you change direction of the motor. Now imagine the load forcing the motor to stay in stall for much longer time than the VFD inverter can handle; it will trip the VFD inverter safeties. So its not over-engineering to use bigger VFD inverter than the motor, or even better if you plan to have 200Kg load on the platform, its better to get motors capable of lifting 300Kg. The reason is that the AC motors might be able to lift the 200Kg in full speed, but if you have slow acceleration or slow speed, the motor might be just stalling until it reaches certain frequency from the inverter or it might move up in little jumps. Also keep in mind that the load on the platform is nor rigid, the load can shift to different position loading more some of the motor than others. Thanks Thanos
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