Segundo a documentação do protocolo BACnet:

Specifies the maximum number of log records the log buffer may hold. If writable, it may not be written when Enable is TRUE. The disposition of existing log records when Buffer_Size is written is a local matter. If all records are deleted when the Buffer_Size is written then the object shall act as if the Record_Count was set to zero.

A propriedade bufferSize do objeto trendLogMultiple pode ser lida e escrita utilizando um tag normal (IOTag).

Parâmetros texto

Parâmetros numéricos

Valor do tag

Um inteiro de 32 bits sem sinal.