dido:public:ra:xapend:xapend.b_stds:tech:iec:62541-4
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dido:public:ra:xapend:xapend.b_stds:tech:iec:62541-4 [2022/01/14 11:40] nick |
dido:public:ra:xapend:xapend.b_stds:tech:iec:62541-4 [2022/01/14 16:06] (current) nick |
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| - | ====== IEC 62541-4 OPC Unified Architecture - Part 4: Services ====== | + | ====== IEC 62541-004 OPC Unified Architecture - Part 4: Services ====== |
| [[dido:public:ra:xapend:xapend.b_stds:tech:iec:start| return to the IEC Standards ]] | [[dido:public:ra:xapend:xapend.b_stds:tech:iec:start| return to the IEC Standards ]] | ||
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| ===== Abstract ===== | ===== Abstract ===== | ||
| - | IEC 62541-4:2020 defines the OPC Unified Architecture (OPC UA) Services. The Services defined are the collection of abstract Remote Procedure Calls (RPC) that are implemented by OPC UA Servers and called by OPC UA Clients. All interactions between OPC UA Clients and Servers occur via these Services. The defined Services are considered abstract because no particular RPC mechanism for implementation is defined in this document. IEC 62541-6 specifies one or more concrete mappings supported for implementation. For example, one mapping in IEC 62541-6 is to XML Web Services. In that case the Services described in this document appear as the Web service methods in the WSDL contract. Not all OPC UA Servers will need to implement all of the defined Services. IEC 62541-7 defines the Profiles that dictate which Services need to be implemented in order to be compliant with a particular Profile This third edition cancels and replaces the second edition published in 2015. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: | + | IEC 62541-4:2020 defines the OPC Unified Architecture (OPC UA) Services. The Services defined are the collection of abstract Remote Procedure Calls (RPC) that are implemented by OPC UA Servers and called by OPC UA Clients. All interactions between OPC UA Clients and Servers occur via these Services. The defined Services are considered abstract because no particular RPC mechanism for implementation is defined in this document. [[dido:public:ra:xapend:xapend.b_stds:tech:iec:62541-6]] specifies one or more concrete mappings supported for implementation. For example, one mapping in IEC 62541-6 is to XML Web Services. In that case the Services described in this document appear as the Web service methods in the WSDL contract. Not all OPC UA Servers will need to implement all of the defined Services. IEC 62541-7 defines the Profiles that dictate which Services need to be implemented in order to be compliant with a particular Profile This third edition cancels and replaces the second edition published in 2015. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: |
| : a) Added ability to resend all data of monitored items in a Subscription using the **''ResendData''** Method. | : a) Added ability to resend all data of monitored items in a Subscription using the **''ResendData''** Method. | ||
| Line 29: | Line 29: | ||
| : k) Added new **''EncryptedSecret''** format for user identity tokens. | : k) Added new **''EncryptedSecret''** format for user identity tokens. | ||
| + | See also: | ||
| + | |||
| + | * [[dido:public:ra:xapend:xapend.b_stds:tech:iec:62541-1]] | ||
| + | * [[dido:public:ra:xapend:xapend.b_stds:tech:iec:62541-2]] | ||
| + | * [[dido:public:ra:xapend:xapend.b_stds:tech:iec:62541-3]] | ||
| + | * [[dido:public:ra:xapend:xapend.b_stds:tech:iec:62541-5]] | ||
| + | * [[dido:public:ra:xapend:xapend.b_stds:tech:iec:62541-6]] | ||
| + | * [[dido:public:ra:xapend:xapend.b_stds:tech:iec:62541-7]] | ||
| + | * [[dido:public:ra:xapend:xapend.b_stds:tech:iec:62541-8]] | ||
| + | * [[dido:public:ra:xapend:xapend.b_stds:tech:iec:62541-9]] | ||
| + | * [[dido:public:ra:xapend:xapend.b_stds:tech:iec:62541-10]] | ||
| + | * [[dido:public:ra:xapend:xapend.b_stds:tech:iec:62541-11]] | ||
| + | * [[dido:public:ra:xapend:xapend.b_stds:tech:iec:62541-12]] | ||
| + | * [[dido:public:ra:xapend:xapend.b_stds:tech:iec:62541-13]] | ||
| + | * [[dido:public:ra:xapend:xapend.b_stds:tech:iec:62541-14]] | ||
| + | * [[dido:public:ra:xapend:xapend.b_stds:tech:iec:62541-100]] | ||
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