Dnp3 Device Profile - Siemens SIMATIC NET S7-1200 Operating Instructions Manual

Number of data points for the data point configuration
The maximum number of configurable data points is 200.
User data
The data to be transferred by the CP is assigned to various data points in the STEP 7
configuration. The size of the user data per data point depends on the data type of the
relevant data point.
With the DNP3 CP, contiguous memory areas can be transferred up to a size of 64 bytes
using data point types of the object groups 110 (Octet String) and 111 (Octet String Event).
You will find details in the information system of STEP 7 and in the section Datapoint types
(Page 35).
Frame memory (send buffer)
The CP has a frame memory (send buffer) for data points configured as an event.
The send buffer has a maximum size of 64000 events divided into equal parts for all
configured communications partners. The size of the frame memory can be set in STEP 7,
refer to the section Communication with the CPU (Page 49).
You will find details of how the send buffer works (storing and sending events) as well as the
options for transferring data in the section Types of transmission, event classes, triggers
(Page 39).
Messages / e-mail
Up to 10 messages can be configured in STEP 7 and sent as e-mails.
1.4

DNP3 device profile

Detailed information on DNP3 attributes in the DNP3 device profile
You will find a detailed overview of the attributes and properties specified in the DNP3
protocol and supported by the CP in the DNP3 device profile.
You will find the DNP3 device profile of the CP 1243-1 DNP3 on the Internet pages of
Siemens Industry Online Support under the following entry ID:
82856876 (http://support.automation.siemens.com/WW/view/en/82856876)
CP 1243-1 DNP3, CP 1243-1 IEC
Operating Instructions, 02/2014, C79000-G8976-C312-02
Application and properties
1.4 DNP3 device profile
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