2/20/2010 2:40 PM | |
Joined: 9/28/2005 Last visit: 12/3/2024 Posts: 2957 Rating: (243) |
Hello, Check this link http://support.automation.siemens.com/WW/view/en/22660304. Here you can find memory requirements for MODBUS function. It seems that for one MODBUS function you need about 10 kbytes of work memory and about 11 kbytes of load memory. Load memory is not a problem. Basically speaking it is MMC card, but work memory is not expandable so be careful choosing appropriate CPU. |
Best regards, |
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