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5/10/2009 9:03 PM | |
Joined: 12/22/2006 Last visit: 1/25/2022 Posts: 1742 Rating:
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Hello, Be sure that you choose for an optimized communication if you use GPRS. Else I am afraid that a GPRS solution will be expensive if the volume of the monthly data volume rises into several tens of megabytes (country and provider specific). And WinCC Flexible collects data cyclically. An alternative is SINAUT + GPRS where the PLC is equipped with a TIM Module that stores data to optimize transfer and where the communication can be configured in a more event driven way. More over a setupSINAUT here: http://support.automation.siemens.com/WW/view/en/23810112 Instead of using the ST7 SINAUT, you could consider the SINAUT Micro alternative: http://support.automation.siemens.com/WW/view/en/27038105 Another way to reachlarger distances are the so called WAN access methods, using the Internet and VPN tunnels (over DSL lines for instance). Look here for an introduction: http://support.automation.siemens.com/WW/view/en/26662448 |
Best regards |
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