Eaton IQ 150S, Руководство пользователя и инструкция по установке

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IM02601006E www.eaton.com C-3
IQ 150S C: DNP Map
C.4: Transport Layer
The Transport Layer as implemented on IQ 150S meters is subject to the
following considerations:
Transport Header
Multiple-frame messages are not allowed for IQ 150S meters. Each Transport Header should
indicate it is both the first frame (FIR = 1) as well as the final frame
(FIN = 1).
C.5: Application Layer
The Application Layer contains a header (Request or Response Header, depending on direction)
and data.
Application Headers
Application Headers contain the Application Control Field and the Function Code.
Application Control Field
Multiple-fragment messages are not allowed for IQ 150S meters. Each Application Header should
indicate it is both the first fragment (FIR = 1) as well as the final fragment (FIN = 1).
Application-Level confirmation is not used by IQ 150S meters.
Function Codes
The following Function codes are implemented on IQ 150S meters.
Read (Function 1)
Objects supporting the READ function are:
• Binary Outputs (Object 10)
• Counters (Object 20)
• Analog Inputs (Object 30)
• Class (Object 60)