the fastest communication between controllers PM865
Could you tell me, what will be the fastest way to send amount of variables (different types Real, DInt, Bool, maybe CCF) from one controller to another (PM865). I have some requirements:
1. Speed under 240ms from global variable in Ctrl1 to global variable in Ctrl2 - time to write value to global variable in Ctrl1 and read the value from global variables does not count
2. With such big speed I will send ca. 10% of entire amount of transferred signals. Rest can be slower
3. For this problem can be used whatever you want e.g IAC, MMS, ProfibusDP, Modbus, Ethernet and and and... Whould be good of course to have the cheapest solution :D
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