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Jairus

PLC and HMI access remotely

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Dear Experts, I have just finished commissioning my first project in S7-300 (CPU315-2 DP) and so far the palletizer is running good. and now my manager want me to access the PLC and HMI remotely if problem occur, even though I'm on my vacation. Can anybody pls. help me what hardware and software do i need to purchase to access the plc and hmi. I have searched this in google, and found e-won and simatic teleservice. Can you please give some idea. any help is really appreciated... thank you so much...

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Hi jairus, In my company we use router Etic telecom but the website and the documentation are in french check this link http://www.etictelecom.com/pages_fr/ras/m2me.htm may be what you can do is to send them an email and to ask them doc in english! Hope this will help you
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i didn't check good http://www.etictelecom.com/pages_en/ras/ras.htm it's M2Me device
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Hello Sir, Thank you so much for this information, it's really a great help, i will try to make inquiry in it.

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Look into VPN. If this system is connected to a larger network under IT depts control, they should be able to provide a VPN connection to you if you're a regular employee for them which will bring you into the network as if you were on site. Mid last year I helped install a skid which separated drudge materials from water, and sends the water down a industrial drain. The system is connected but isolated from a larger IT network. They created a V-Lan for me with a fixed real world IP address, I installed a VPN router into the system along with the PLC and HMI pc. I can log in via VPN and interact with the PLC live and reprogram it as needed (AB/Rockwell Micrologix 1400) and a windows pc who's shell is the HMI program which I can also update any time I need, log in to the admin account to get a real windows interface, kill the HMI, install the new version and reboot it. It will fire up into the HMI with no way to access the windows shell (it never starts the windows GUI, no keyboard or mouse either. Touchscreen). While they didn't provide me a VPN connection because it was against policy for their network (outside contractor here, so I do not blame them at all on that) they gave me what I needed to make it work to the satisfaction of the company that contracted me. The router I specced and was used is a NetGear FVS318G. VPN = almost as good as being there. Just can't see the equipment physically.
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I agree with Nova5 VPN is is definitely the best solution. However, I strongly suggest eWon VPN router. It have a built-in serial/ethernet or PROFIBus/ethernet Gateway usefull for Siemens 2DP plc. IT doesn't need to be involve in the vpn, eWon use outgoing connection - see video on eWon web site. I have about 20 eWon in Canada/US all work fine, device is really easy to use. http://www.ewon.biz/en/home.html
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I recomend you to go through this product it can serve you. http://www.netbiter.com/
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get the company to put the PLC on the network and give you VPN access to just that one device. they do all the work and you just have to connect to their network as and when needed from anywhere in the world.
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