S7-SoftPLC:Configuration TwinCAT I/O with PLC43:INI

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To activate the driver it must be included in the section [OEM]. The required entry is for example:

[OEM]
dll0=TwinCatIO.dll

In the PLC43.INI the following parameters must be defined in the section [TwinCatIO].

Parameter Default value Description
PortNumber 301 Set port of I/O-task in TwinCAT System Manager.

If PortNumber=0 the exchange of process images is disabled. Access is possible via SFC/FC only. If the port number does not match the TwinCAT I/O task, S7-SoftPLC switches to STOP.

SFC14 1 Show SFC 14
SFC15 1 Show SFC 15
ControlSFC 1000 Number of Control SFC
NoStop 0 Do not stop fieldbus at PLC Stop
TypeFC 0 Show SFCs as FCs
FB_CxGetDeviceIdentification 1001 Number of GetDeviceIdentification FB
FB_AdsRead 1002 Number of AdsRead FB
FB_AdsWrite 1003 Number of AdsWrite FB

Example:

[OEM]
dll0=TwinCatIO.dll
[TWINCATIO]
PortNumber=301
SFC14=1
SFC15=1
ControlSFC=1000
NoStop=0
TypeFC=0
FB_CxGetDeviceIdentification=1001
FB_AdsRead=1002
FB_AdsWrite=1003