Reply To: Effort developing CLASS A vs. CLASS B

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#16460 Reply

Kyle McMillan
Moderator

Hello DJ,

The real difference between Conformance Class A and Conformance Class B is a SNMP server. So, if you implement PROFINET with a chip or module, there is no marginal cost to move from a Conformance Class A implementation to a Conformance Class B implementation – they already have it baked in. If you implement PROFINET with a software stack with an external SNMP server, then the extra cost will be the time and effort involved to wire the PROFINET and SNMP code together. If your PROFINET stack includes a SNMP server, there’s not really a marginal cost.

– Kyle