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OPC UA server profile description supported by Modicon M241 / M251 controller
| OPC UA Services | Description |
| Address Space Model | Yes |
| Discovery services | Only for Endpoints and Nodes |
| Session services | Yes |
| Sessions max | 4 Parallel sessions |
| Attribute services | Yes |
| Monitored item services | Yes |
| Monitored Items max | 1000 |
| Queued Items | Yes |
| Subscription services | Yes |
| Subscriptions max | 100 per session |
| Publish method | Yes |
Released for:Schneider Electric India
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