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Scope: Core (OPC-10000-*) All specs

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OPC-10000-5 – OPC Unified Architecture - Part 5: Information Model

6.3.2 ServerCapabilitiesType

Mandatory HasComponent Object RoleSet RoleSetType Optional HasProperty Variable MaxSessions UInt32 PropertyType Optional HasProperty Variable MaxSubscriptions UInt32 PropertyType Optional HasProperty Variable MaxMonitoredItems UInt32 PropertyType Optional HasProperty Variable MaxSubscriptionsPerSession UInt32 PropertyType Optional ... normal circumstances, therefore there is no guarantee the Server can always support the maximum. MaxSubscriptions is an unsigned integer specifying the maximum number of Subscriptions the Server can support