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

15 result(s) for Direct-Loading

OPC-10000-100 – OPC Unified Architecture - Part 100: Devices

3.1.11 Direct-Loading

Direct-Loading update method where the original software is overwritten during the transfer
OPC-10000-100 – OPC Unified Architecture - Part 100: Devices

8.3.3 Types of Devices

firmware while it is transferred to the device. In this specification this is called Direct-Loading (see 8.3.4.3 ). Devices with more memory can store a new firmware in a separate
OPC-10000-100 – OPC Unified Architecture - Part 100: Devices

8.3.4.1 Overview

Profiles section describes valid combinations of options). This way the Server can choose between Direct-Loading , Cached-Loading or FileSystem based Loading and it can use additional optional features like
OPC-10000-100 – OPC Unified Architecture - Part 100: Devices

8.3.4.3 Direct-Loading option

Direct-Loading option The Direct-Loading option provides a model where the installation is part of the transfer. To support the Direct-Loading model the Server has to provide ... before the installation. If this is required, Cached-Loading is a better alternative. For Direct-Loading the DirectLoadingType is used, which is described
OPC-10000-100 – OPC Unified Architecture - Part 100: Devices

8.3.4.6 Installation option

transferred Software Package or file is installed explicitly (compared to the implicit installation of Direct-Loading ). Therefore, the InstallationStateMachineType shall be used (see 8.4.9 ). It can either be used
OPC-10000-100 – OPC Unified Architecture - Part 100: Devices

8.3.4.10 Power cycle option

Cached-Loading it can be used in the Installing state of the InstallationStateMachineType . For Direct-Loading it can be used during the transfer of the new software with the TemporaryFileTransferType
OPC-10000-100 – OPC Unified Architecture - Part 100: Devices

8.3.5 Software Update Client

information about the new software). For Direct-Loading and Cached-Loading the validation is done during the transfer. For File System based Loading this shall be done before the installation ... Figure 36 - Different flows of Direct-Loading , Cached-Loading and FileSystem based Loading The prepare activity can be handled equal for all types of loading. This optionally includes a backup
OPC-10000-100 – OPC Unified Architecture - Part 100: Devices

8.4.4.1 Overview

Server . Transfer of the Software Package to the Server also includes the installation. The Direct-Loading option is described in 8.3.4.3 . The DirectLoadingType is illustrated in Figure 44 and formally
OPC-10000-100 – OPC Unified Architecture - Part 100: Devices

8.4.4.3 UpdateBehavior

informs the update Client about the specific behavior of the component during update via Direct-Loading
OPC-10000-100 – OPC Unified Architecture - Part 100: Devices

8.4.6.4 ValidateFiles Method

installation. This should also include dependency checks if appropriate. Note: In case of Direct-Loading or Cached-Loading these checks should be part of the transfer and this method shall
OPC-10000-100 – OPC Unified Architecture - Part 100: Devices

8.7.2 Folder structure

folder is defined by the author of the Software Package . For Cached-Loading and Direct-Loading , this folder can contain a single file that shall be transferred to the device
OPC-10000-100 – OPC Unified Architecture - Part 100: Devices

8.7.3 Package metadata

DeploymentItem 0 This file shall be deployed to the device. If Cached-Loading or Direct-Loading is used at most one file can be marked as DeploymentItem . If File System
OPC-10000-100 – OPC Unified Architecture - Part 100: Devices

B.3.1 Simple example using Cached-Loading

installation can be done during the transfer of the Software Package , the Direct-Loading model is another simple option. First the client determines what version is currently installed by reading
OPC-10000-100 – OPC Unified Architecture - Part 100: Devices

B.3.2 Factory Automation example

technical preconditions for the update. E.g., if the device uses Direct-, Cached- or File System based Loading (using the Loading Object ). Prepare installation The user selects the software ... software and firmware updates to the PLCs, the robots and the switch, except for Direct-Loading (using CachedLoadingType, FileSystem) . Schedule installation ( Client only) Determine how the update can be executed
OPC-10000-100 – OPC Unified Architecture - Part 100: Devices

B.3.3 Update sequence using Direct-Loading

B.3.3 Update sequence using Direct-Loading An example sequence of Direct-Loading is shown in Figure B.6 . If the Server does not implement the properties PrepareForUpdate , PowerCycle or Parameters ... installation itself is described in Figure 38 . Figure B.6 - Example sequence of Direct-Loading