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Questions - twincat

FB_FileOpen stays busy, Statemachine not working - TwinCat3

i am trying to get into the beckhoff/twincat universe, therefore is was following along with some twincat tutorials. While programming a simple event-logger I encountered the following problem: After ...
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nico25

plc

twincat

st

structured-text

Votes: 0

Answers: 2

Latest Answer

The issue probably lies in how you call the function block. You need to make sure to call the function block with the input bExecute := FALSE and only after that calling it with bExecute := TRUE will ...
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ziga

TwinCAT project build fails with unspecified error

My TwinCAT PLC project was working fine, but suddenly one day it could not build at all. The error message is simply "The operation could not be completed. Unspecified error". I also notice...
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Girl Spider

plc

twincat

unspecified

Votes: 0

Answers: 1

Latest Answer

After a lot of struggle, I finally fixed the problem, sort of. Apparently, the problem is related to the FipsAlgorithmPolicy register. The register is used to certify cryptographic software. I am no...
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Girl Spider

TwinCAT 3.0 NCI Master/Slave

I am trying to master/slave in TwinCAT 3.0 by coupling. It is working when I move them in PTP (MC_MoveAbs or MC_Jog). But when I run NCI, I keep getting this error "3/24/2022 4:29:20 PM 366 ms ...
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user16741817

master-slave

twincat

coupling

Votes: 0

Answers: 1

Latest Answer

As the error description says - it's impossible to configurate an axis into NCI group, if a slave is coupled to said axis. Solution is to configurate axis into the NCI group when it's decoupled and co...
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Jacek Domański

TwinCat 3 Siemens PLC MODBUS TCP communication

My question is quite simple. Is it possible to communicate TwinCat PLC simulation (TwinCat 3 on normal PC) with real siemens S7-1200 over MODBUS TCP? From what I've gathered, PC without Intel chipset ...
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Michał Birnbach

tcp

modbus

twincat

siemens

Votes: 0

Answers: 3

Latest Answer

Like Kolyur said, please check that TF6250 is installed on your machine. As complement of Cliff response here are 3 tools to check your Modbus protocol on both sides : Ananas, Modbus Doctor, Modbus Tw...
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Aporie

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