Echelon and third-party network interfaces. All other downlink and uplink message commands use the complete SICB application buffer structure, as shown in Figure 6. Writes a Query Status command to the interface to retrieve the. This class provides thread-safe, synchronized, access to downlink messages. Note the ‘use of the xDriver naming convention here: A Layer 2 network interface uses the Layer 2 buffer structure for most messages.

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Parameter Direction Description tag Input Correlates notification messages with sessions.

Welcome, Audience – Echelon OpenLDV User Manual

GetDownlinkKey Method Applies to: This chapter describes why you might need to extend xDriver, and how to extend it. Implement the ILdvxLookup Interface You must have administrator privileges to start the Connection Echelpn.

Some immediate commands use only the first byte of the SICB buffer—the cmd field—of the application buffer, with no data payload. Overview This appendix describes the interfaces and methods that your custom lookup extension component can use or must implement: Creating a Custom Lookup Extension in Visual Basic This section describes the procedure for creating the framework for a custom lookup extension component in Visual Basic using Microsoft Visual Studio Also, a real application would query the local device database to determine which network interface to use; this example simply uses LON1.


For more information, see xDriver Profiles on page To enable uplink sessions, select the Enable Uplink Sessions checkbox, configure the rest of the efhelon on the tab, and click OK to save your changes. Page The opendlv shown in Figure 17 that occur within the LNS application represent a typical LNS application that registers for uplink session event handling.

Click Add to open the New Profile dialog, as shown in Figure Returns The next authentication key for the RNI, as a character hexadecimal string representing a bit MD5 authentication key.

ILdvxLookup Interface The lookup interface is the primary interface implemented by an xDriver lookup extension component. To create the framework for a custom lookup extension component using Microsoft Visual Studioperform the following tasks: Page close calls. Page 8 GetEncryptionType Method To define your own network interface type, use an enumeration value greater than The OpenLDV driver is an open driver for.

Installing Echelon Network Interfaces on Windows 7 Operating Systems – Exchange Community

Page 72 For an uplink message read from a network interfacethe tag field indicates the index into the receive transaction database for acknowledged, repeated and request messages.

This model requires that your extension be multithread safe, and allows your component to directly access other xDriver extension components. Session Control Object This method obtains any additional bytes that are pre-pend.


The command format is different for Layer 2 and Layer openlldv.

Create a custom xdriver profile – Echelon OpenLDV User Manual

A network-variable update message or a poll response contains bytes of network-variable data. You can also click Restore Default Values at any time to restore the default factory settings for the xDriver default profile. Downlink Session The application flow for a downlink session includes the following steps see Figure Page 64 Page 65 3 Sending and Receiving Messages with the OpenLDV API This chapter describes the network interface message commands that your OpenLDV application can send and receive through a network interface, as well as the application buffer structure that each type of message requires.

All other downlink and uplink message commands use the complete SICB application buffer structure, as shown in Figure 6. Echelon SmartServer and i. Remarks Call this method for each profile for which the BeginIncomingSessionsEvent method was called before closing an application.

Microsoft Visual Studio project format. The following sections describe the application buffer structures. OpenCloseReadand Write. Page 43 Table