Examples

Used controlled or control station parameters:

Server host address: 127.0.0.1 (you have to adapt at least this parameter to your target system!!)
Server port addres: 2404
k: 12
w: 8
t0: 30s
t1: 15s
t2: 10s
t3: 20s
Cause of transfer size: 2 octets
Common ASDU address size: 2 octets
Information object address size: 3 octets
Originator address: 1
Common ASDU address: 7
Max. APDU length: 253

PLC project	Documentation	Description
LowLevelSlaveSample.zip		Simple Slave-Application which uses the TwinCAT IEC60870-5-104 Transport Interface. MAIN implements the link connection/disconnection and simple TX/RX- data exchange: Data points in monitoring direction: M_SP_NA_1(IOA:=100) and M_BO_TB_1(IOA:=400). Data points in control direction: C_SC_NA_1(IOA:=10); Simple implementation of clock synchronisation command: C_CS_NA_1(IOA:=0); Simple implementation of general interrogation command: C_IC_NA_1(IOA:=0); Simple implementation of single command: C_SC_NA_1(IOA:=10); Simple implementation of counter interrogation command: C_CI_NA_1(IOA:=0);
LowLevelMasterSample.zip		Simple Master-Applikation which uses the TwinCAT IEC60870-5-104 Transport Interface. MAIN implements the link connection/disconnection and simple TX/RX- data exchange: Simple general interrogation is send every 20 seconds: C_IC_NA_1(IOA:=0); Rising edge at variable bSCmd starts simple single command execution: C_SC_NA_1(IOA:=10); Rising edge at variable bClockSyn starts simple clock synchronisation command execution: C_CS_NA_1(IOA:=0);

PLC project

Documentation

Description

Simple Slave-Application which uses the TwinCAT IEC60870-5-104 Transport Interface. MAIN implements the link connection/disconnection and simple TX/RX- data exchange:

Data points in monitoring direction: M_SP_NA_1(IOA:=100) and M_BO_TB_1(IOA:=400). Data points in control direction: C_SC_NA_1(IOA:=10);
Simple implementation of clock synchronisation command: C_CS_NA_1(IOA:=0);
Simple implementation of general interrogation command: C_IC_NA_1(IOA:=0);
Simple implementation of single command: C_SC_NA_1(IOA:=10);
Simple implementation of counter interrogation command: C_CI_NA_1(IOA:=0);

LowLevelMasterSample.zip

Simple Master-Applikation which uses the TwinCAT IEC60870-5-104 Transport Interface. MAIN implements the link connection/disconnection and simple TX/RX- data exchange:

Simple general interrogation is send every 20 seconds: C_IC_NA_1(IOA:=0);
Rising edge at variable bSCmd starts simple single command execution: C_SC_NA_1(IOA:=10);
Rising edge at variable bClockSyn starts simple clock synchronisation command execution: C_CS_NA_1(IOA:=0);