![]() The pricing of Tech Connect is based on # of activations, not CPUs. I appreciate the perspectives, keep them coming! ![]() Bottom line is that we don’t want to be in the same situation we are in now in another 10 years. I’m more concerned that the hardware holds up and that the ease of use is there. Why should I have to pay more for software support because I install more hardware? Especially when the hardware price is almost double the next leading competitor.īut I digress… In the end price doesn’t matter so much as long as you get the quality you pay for. The biggest thing that irks me about AB support is that the tech connect contract stuff goes up in price depending on how many CPU’s you have out on the floor. However, we won’t mind paying more if the product and support is of higher quality. Price wise, Siemens is cheaper for both hardware/software and support. Both Allen Bradley and Siemens offer these products (so does ABB, but they are VERY far behind in both hardware and software). I will point out that we’ve narrowed our choice down to Allen Bradley and Siemens specifically because we need products that can withstand corrosive gas environments. Obviously from an Ignition point of view there is no direct access to the PLC tags, with Siemens but I’ve not found this to be an issue. I guess my preference would be to use Siemens as they natively support Profibus & Profinet and AS-interface which would be my fieldbuses of choice, even at the low level processors and have the option of ‘Integrated Safety’ PLC’s ![]() They also allow the use of all of the IEC programming languages on the higher specification PLC’s.įrom a hardware perspective I think they are as capable as one another and both have significant amounts of programming memory and rediculously fast scan rates.įirmware updates on the CPU units are free to download from the Siemens website as required. Siemens have made a significant improvement with the latest version of software (TIA portal) which has made this much more user friendly. I’m sure that this is down to the previous versions of programming software. In the UK, there appears to be a distinct love or hate relationship with Siemens. ![]()
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