This makes it an easy to use and cheap driver because it doesn’t need any CP board in the PLC and hence doesn’t need any setup either.ĪS511 is a Siemens proprietary non-documented protocol. The AS511 protocol uses a standard serial RS-232C port in the PC and a Siemens PG cable to connect directly to the PLC programming port. This means that this driver should only be used for relatively small applications – larger application should use either 3964R/RK512, SINEC L2 or SINEC H1 networks. The bandwidth and the functions of the protocol limited compared to other Siemens protocols. The protocol can however also be used for exchanging data with SCADA systems such as IGSS. AS511 is a proprietary Siemens protocol which is primarily used for programming Siemens S5 system. The IGSS32 Siemens Simatic AS511 communication interface offers connection to Simatic S5 Series of PLCs equipped directly on the CPU port.
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