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<feed xml:lang="en" xmlns="http://www.w3.org/2005/Atom"><title>Activity for mattkaree</title><link href="https://forge.codesys.com/u/mattkaree/activity/" rel="alternate"/><id>https://forge.codesys.com/u/mattkaree/activity/</id><updated>2026-01-27T15:38:42.908000Z</updated><subtitle>Recent activity for mattkaree</subtitle><entry><title>mattkaree posted a comment on discussion Engineering 🇬🇧</title><link href="https://forge.codesys.com/forge/talk/Engineering/thread/673c95b885/?limit=25#c24e" rel="alternate"/><published>2026-01-27T15:38:42.908000Z</published><updated>2026-01-27T15:38:42.908000Z</updated><author><name>mattkaree</name><uri>https://forge.codesys.com/u/mattkaree/profile/</uri></author><id>https://forge.codesys.com/forge/talk/Engineering/thread/673c95b885/?limit=25#c24e</id><summary type="html">I am using a WAGO PFC200 PLC as an etherCAT master and a Keyence IV3-G120 with DL-EC1A attached as an etherCAT slave. I am using CODESYS V3.5 SP21 Patch 3. I was able to set up mailbox communication and can see values changing accordingly, but I want to know how I can map these values and reference them in my program. I am able to map the process data objects in the 'EtherCAT I/O Mapping' tab, but there is no where to map the mailbox values in the 'CoE Online' tab. Is there a way I can reference...</summary></entry></feed>