Application And Properties; Communications Services - Siemens SIMATIC NET S7-1200 Operating Instructions Manual

Application and properties

1.1

Communications services

Communications services
The following communications services are supported:
DNP3-CP
● DNP3 protocol
● S7 communication and PG/OP communication with the following functions:
IEC-CP
● Protocol IEC 60870-5
● S7 communication and PG/OP communication with the following functions:
Status IDs of data points
The status IDs listed in the following tables are transferred for each data point in each frame
in 1 byte.
The meaning relates to the bit status in the last row of each table.
CP 1243-1 DNP3, CP 1243-1 IEC
Operating Instructions, 02/2014, C79000-G8976-C312-02
Communication is based on the DNP3 SPECIFICATION Version 2.x (2007/2009).
The CP is a communications processor of the SIMATIC S7-1200 for system connection to
control centers using the DNP3 protocol for telecontrol applications.
An S7-1200 with CP 1243-1 DNP3 operates as a DNP3 station (Outstation).
The CP supports the implementation level 1 - 4 (DNP3 Application Layer protocol Level).
You will find a description of the other functions in the section Partner stations (Page 46).
– PUT/GET as client and server for data exchange with remote stations (S7-
300/400/1200/1500)
– PG functions
– Operator control and monitoring functions (HMI)
Communication is based on the specification IEC 60870-5 Part 1 - 5 (1990 - 1995) and
part 104 (2000).
The CP is a communications processor of the SIMATIC S7-1200 for system connection to
control centers using the IEC 60870-5 protocol for telecontrol applications.
An S7-1200 with CP 1243-1 IEC operates as a substation (slave).
– PUT/GET as client and server for data exchange with remote stations (S7-
300/400/1200/1500)
– PG functions
– Operator control and monitoring functions (HMI)
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