Talk
| FORUM | LATEST POST | # TOPICS |
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Engineering 🇬🇧 Discussions about the CODESYS Development System, IEC programming, CODESYS Professional Developer Edition |
OPC UA PubSub SL 1.3 — UADP WriterGroup with assigned PSS.SecurityGroup ... by alexschooneveld 3 days ago |
6029 |
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Runtime 🇬🇧 Related questions to SoftPLCs e.g. Raspberry Pi, Beaglebone, IoT2000 and other platforms |
<Dereference of invalid pointer> by jeffyech 4 hours ago |
2306 |
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Visualization 🇬🇧 Realizing operator screens with CODESYS HMI, Targetvisu, Webvisu |
XY Chart causes extremely long cycle in Visu Task by manuknecht 2026-06-16 |
1066 |
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Motion 🇬🇧 Realizing single or multi axis motion control, CAM, CNC and Robotic applications |
CODESYS SoftMotion Generic DSP402 on WAGO PFC200 + Festo CMMT-AS: MC_Pow... by gseidel 4 hours ago |
573 |
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Codesys V2.3 🇬🇧 Forum about V2.3 |
Where Can I download the latest Version of CoDeSys V by yueqiqi 2026-06-15 |
2245 |
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Deutsch 🇩🇪 German forum |
Zielsystem Problem nach Bibliotheken hinzufügen by dakmueller 3 days ago |
4589 |
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Automation Server 🇬🇧 The Industry 4.0 administration platform for users and operators of CODESYS compatible controllers |
Gateway in China - "Gateway not connected" by pernockham 2026-03-18 |
81 |
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Forge 🇬🇧 Discussions about CODESYS Forge projects and features of the CODESYS Forge website |
WebVisu scaling regression in V3.5.22 P2: frame size jumps when switchin... by charly29160 2026-06-15 |
232 |
Recent Activities
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gseidel posted a comment on discussion Motion 🇬🇧
Hi gilad, the missing license does not prevent the axis from being enabled. As far as I know, Festo distributes a CODESYS SoftMotion driver for the CMMT drives together with their software. I would contact Festo and ask for the driver. Best regards, Georg
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jeffyech modified a comment on discussion Runtime 🇬🇧
I have a program which calls a structure. while online with the PLC, I get: <dereference of="" invalid="" pointer=""> in the declaration values area. What are the causes of this? Can it be solved?</dereference> Version 3.5 of codesys.
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gilad posted a comment on discussion Motion 🇬🇧
Hello, I am trying to connect a Festo CMMT-AS-C4-3A-MP-S1 servo drive to a WAGO PFC200 (750-8210) using EtherCAT and CODESYS SoftMotion. Hardware PLC: WAGO PFC200 750-8210 Drive: Festo CMMT-AS-C4-3A-MP-S1 Communication: EtherCAT CODESYS version: Device description version 6.3.1.1 Drive firmware: 36.10.3 Current Status EtherCAT communication is working correctly: EtherCAT master = Running Drive detected and operational PDO input and output mapping is active Statusword, position and velocity are updating...
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jeffyech posted a comment on discussion Runtime 🇬🇧
I have a program which calls a structure. while online with the PLC, I get: <dereference of="" invalid="" pointer=""> in the declaration values area. What are the causes of this? Can it be solved?</dereference>
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fabiodasilveira posted a comment on discussion Runtime 🇬🇧
It is a shame that it does not work with Eaton XC303 PLCs :(
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alexschooneveld posted a comment on discussion Engineering 🇬🇧
I am currently investigating an OPC UA PubSub connection over UDP. When I don't use encryption, the publish and subscribe are working correctly. But with encryption it does not. Environment OPC UA PubSub SL 1.3.0.0 (namespace UADP) OPC UA PubSub Security 1.3.0.0 (namespace PSS) OPC UA PubSub Base 1.3.0.0 (namespace PSB, incl. PSS.SecurityGroup / PSS.CONFIG) Programmatic PubSub in a CFC: UADP.Configuration → UADP.Connection → UADP.writerGroup → UADP.writer → writerDataSet, plus a CyclicCall gated...