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<$Updated: 05-Mar-09 11:09:10$>

CPTT and the IEC 60870-5 family

The IEC 60870-5 family has been successively developed by the [ IEC ] (International Electrotechnical Commission) in the last years. National standard commitees, like the German [ DIN ] (Deutsches Institut für Normung e.V.), have adopted the standards as national standards.

The IEC 60870-5 family defines based on the five basic standards IEC 60870-5-1 (frame formats), -2 (link transmission procedures), -3 (structure application data), -4 (information elements) and -5 (basic application functions)
the companion standards IEC 60870-5-101, -102, -103 and -104.

The IEC 60870-5 protocol family is used widely throughout Europe.

IEC 60870-5-101

IEC 60870-5-101 is used as a general transmission protocol between a control system and substations (RTUs, Remote Terminal Units). It possesses general features in the context of SCADA applications.
The messages are usually transmitted through serial connections. The frame format is FT1.2.

COMPROTware:Testtool offers in this protocol:

IEC 60870-5-101 Ed. 2.0 from March 2003 is implemented.
Simulation of Controlling and Controlled Station.
Extensive state engine to implement protocols.
Monitoring on the serial line.
Interactive input of messages.
Different application oriented view formats for message traffic.

(click to enlarge)

IEC 60870-5-102

IEC 60870-5-102 was developed for the transmission of counter readings.
The messages are usually transmitted through serial connections. The frame format is FT1.2.

COMPROTware:Testtool offers in this protocol:

Simulation of Controlling and Controlled Station.
Extensive state engine to implement protocols.
Monitoring on the serial line.
Different application oriented view formats for message traffic.

(click to enlarge)

IEC 60870-5-103

IEC 60870-5-103 is used for the transmission of protection events between IEDs (Intelligent End Devices) and control systems. The protocol was specially developed to transmit protection information in the correct chronological order. It is possible to pass on the protection events through file transfer using IEC 60870-5-101.
The messages are normally transmitted through serial connections. The frame format is FT1.2.

COMPROTware:Testtool offers in this protocol:

Simulation of Controlling and Controlled Station.
Extensive state engine to implement protocols.
Monitoring on the serial line.
Interactive input of messages.
Different application oriented view formats for message traffic.

(click to enlarge)

IEC 60870-5-104

IEC 60870-5-104 is used as a general transmission protocol between a control system and substations (RTUs, Remote Terminal Units). It possesses general features within the context of SCADA applications.
The messages can only be transmitted through the internet protocol TCP/IP. Because TCP/IP is already a reliable transmission protocol, a link layer is not required.

COMPROTware:Testtool offers in this protocol:

Simulation of Controlling and Controlled Station.
Extensive state engine to implement protocols.
Network Monitoring under MS Windows 2000 and Windows XP.
Interactive input of messages.
Different application oriented view formats for message traffic.

(click here to enlarge)

Any questions regarding CPTT? Please contact us:
[ e-mail cptt@realthoughts.de ]