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  1. sayedengg

    PLC s7 200 problem conrolling inverter [VFD]

    Thanks Xnuke for replying. The input sensor that is used to control speed are a series of photoelectric sensors, that slows or fast up the conveyor, depending on the product which is on the conveyor. Also the speed of the conveyor can be adjusted through HMI. Live and let live
  2. sayedengg

    PLC s7 200 problem conrolling inverter [VFD]

    HI everyone, I have come across problem with PLC s7- 200 ,which has got two modules em 221 and em 232. This plc system controls various conveyors and speed regulation of the products between differnet conveyors. The main problem is that the PLC is not able to output the inverters (VFDs) that...
  3. sayedengg

    HMI and 24 Vdc supply issue

    Hi Djs, thanks for the reply. There was a faulty wiring which was causing the problem. The same SMPS was then able to give 21 Vdc at the HMI input which started it up, even though on the HMI it was mentioned 24v DC supply. I couldnt find any voltage adjustment in the SMPS , only it provided...
  4. sayedengg

    HMI and 24 Vdc supply issue

    Hi all, once again I have got an issue at my factory regarding another type of oven which is fully automated. It has got HMI panel with Allen Bradley micrologix 1500. This oven system has few motors which are run by Allen Bradley Powerflex 700 [ 12 pieces numbers]. Then this system has cutter...
  5. sayedengg

    Upgrading basic Industrial oven to ignition system

    Hi All, This is my first post here,and I would try my best to state as much clearly I can. It will be great if someone in here can give some inputs regarding the ignition system and automation used in food industry. We are discussing about upgrading our industrial baking ovens, which are...

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