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Development kits

[KB1152] MQTT parsing JSON key with “.”

Applies to: PcVue 15 onwards Summary: This article will show you how to successfully read MQTT payloads containing “.” in JSON keywords. Details: Let’s imagine a simple situation. PcVue receives […]

1121
System

[KB1151] Windows Updates to enforce DCOM hardening – KB5004442

Applies to: PcVue and FrontVue – Multiple versions Summary: Microsoft has started rolling out Windows updates that could affect users of the OPC Classic technology, software components and products relying […]

2906
PcVue miscellaneous

[KB1150] How to do bit shifting with long integers

Applies to: PcVue 10.0 SP2 onwards Summary: This article explains how to extract bits from a word using an expression. Especially for very long words. Details: We always recommend using […]

1120
Data acquisition

[KB1149] Register LonWorks catalogs

Applies to: PcVue 15 onwards Summary: Problem when declaring a new LON node: If after installing version of IZOT Net Server and PcVue, you are unable to declare a new LON node […]

1775
Other Products

[KB1148] Loading BACnet Schedules in the WebScheduler is very slow

Applies to: PcVue 12 onwards Summary: In a large PcVue project using the WebScheduler, you may face problems to display BACnet schedules : Loading the list of the schedules configured […]

933
Useful tools

[KB1147] How to emulate SnapVue or TouchVue on a Mac or Windows OS?

Applies to: PcVue 15 onwards and its associated SnapVue version. Caution: This article is internal. The tool described in this article has not been qualified officially but could be used for […]

853
SnapVue

[KB1146] How to connect to a mobility server by scanning a QR code?

Applies to: PcVue 15 onwards and its associated SnapVue version. Summary: When using SnapVue to connect to a mobility server, you will need specific information details like the Host name, […]

888
Historical data

[KB1145] Database status check at startup

At project startup, HDS performs configuration and integrity check on each configured database. To do this, HDS must have access to the database server and to each database. Once these […]

2307
News

[KB1143] PcVue 16 is now available

The feature release – PcVue 16 is available for download on our web site. This version includes bug fixes and enhancements. Please refer to the corresponding Release Information (Knowledge base […]

4848
News

[KB1142] PcVue not affected by Apache Log4Shell Vulnerability

On December 10th 2021 a new vulnerability dubbed Log4Shell was discovered in the widely used Log4j Apache library. ARC Informatique’s products are NOT affected by this vulnerability, therefore no update is required. […]

1617
Configuration environment

[KB1139] Impossible to see the Scada Basic editor

Applies to: PcVue 10 onwards Symptom: On a working project we add a new screen, then after some modifications the following problem may appear:– The Scada Basic editor is not […]

832
WebVue

[KB1138] How to open a mimic into WebVue from a PcVue script

Applies to: PcVue 12 onwards Summary: If you want to open a mimic in WebVue from PcVue, either manually or automatically triggered by an event, it is now possible from version […]

1632
Development kits

[KB1137] How to filter Null value coming from MQTT device

Applies to: PcVue 15 onwards Summary: This article will show you how to use filter if you don’t want to take into account a “Null” value in a MQTT payload. […]

983
Useful tools

[KB1136] Display system information on the desktop

Applies to: Windows 7 SP1 onwards Summary: We often need to check ressources / session information of our computer. For example the IP address, the name, the logged in user, […]

1078
Historical data

[KB1130] HDS Files format

Applies to:PcVue 15 onwards Summary:This document describes the content of each HDS configuration files. Warning 1: Modifying manually these files can cause irreversible damage. Warning 2: This article is only […]

765
Historical data

[KB1128] How to open SQL Server Configuration Manager

Applies to: SQL Server Summary: You may need to change the default configuration of your SQL Server instance, for example to allow TCP/IP access. The SQL Server Configuration Manager is not […]

2564
WebVue

[KB1127] Images not displayed on WebVue

Applies to: PcVue 15.2 onwards Symptom: You can see the images in WebVue if you connect locally, but the images do not appear if you connect remotely through a reverse […]

863
Configuration environment

[KB1126] Looking for generic import syntax

Applies to: PcVue 12 onwards Summary: In order to get the xml property syntax, there is a simple trick you can activate. Once done, you can select any objects in […]

1431
System

[KB1125] Increasing the maximum number of USER and GDI objects that can be created per-process

Applies to: Windows XP onwards Summary: This article describes how to increase the maximum number of USER and GDI objects that can be created per-process. Details: The system provides two […]

2594
System

[KB1124] Adjusting registry settings to run PcVue as a service on a Web back end station

Applies to: PcVue 11.2 onwards Symptom: Running PcVue as a Windows service application on a Web back end station causes a crash of the sv32 process under certain conditions. If […]

882
Development kits

[KB1123] MQTT & Live Objects by Orange™

Applies to: PcVue 15 onwards Summary: This article explains how to connect PcVue to Live Objects using MQTT driver. Live Objects is software as a service (SaaS) which provides a […]

1225
Configuration environment

[KB1122] Automatically position symbols with the Application Architect

Applies to: PcVue 12.0 onwards Summary:  Using expressions in the Application Architect allows you to automatically position symbols in a mimic. There are several ways to achieve this, we propose […]

930
Configuration environment

[KB1121] Impossible to see the Variable selector

Applies to: PcVue 10 to PcVue 12 Symptom: On a working project we add a new screen, then after some modifications the following problems may appear:– The variable selector opened […]

830
System

[KB1120] Firewall configuration guideline for PcVue

The last revision of the technical content accommodates changes in PcVue 16.1. Firewall Configuration Guideline – v1.3.pdf Starting with PcVue 17.0, the firewall configuration guide is provided as part of […]

1165
WebVue

[KB1119] WebVue and reverse proxy

Applies to:WebVue 12 onwards Summary:A reverse proxy is a type of server, usually placed in front of web servers. Unlike a proxy server that allows a user to access the […]

1669
Audit and diagnostic

[KB1118] MailBox error function MsgSend

Applies to: PcVue 11 onwards Symptom: In the event viewer you get this message:“MailBox error: function MsgSend”It can appear hundred times. It means that at least one manager is no […]

883
PcVue installation

[KB1117] Error 1706 in maintenance mode

Applies to: PcVue 10 onwards Summary: Unable to repair, modify, or patch, due to impossible access to the installation or reference media. Details: When the installation source media is a […]

775
Audit and diagnostic

[KB1116] Invalide license detected – Version not supported – Err 710106

Applies to: PcVue 12.0.7 to PcVue 12.0.13 Summary: You will get the following error message if you start PcVue version 12 (between 12.0.7 and 12.0.13) with a license coded for […]

871
Audit and diagnostic

[KB1115] How to restart Windows automatically in case of memory leak?

Applies to: PcVue 11 onwards Summary: This article explains how to restart Windows if a memory leak is present in a PcVue project. The origin of the memory leak may […]

915
HMI

[KB1114] How to filter events and continue to display users logon and logoff?

Applies to: PcVue 10 SP2 onwards Summary: Using the PcVue logviewer dialog box, it is possible to filter the events according to their nature while also displaying the connections and […]

841
Configuration environment

[KB1113] Childcount use case in Application Architect

Applies to: PcVue 12 onwards Summary:  In Application Architect expression engine, it is possible to count things like the number of templates that has been instantiated at a certain level […]

877
Other Products

[KB1112] Silent Install FrontVue 15

Applies to:FrontVue 15. Summary:A silent installation is an installation that does not display messages or windows during its progress. This article covers silent installation of FrontVue version 15. The purpose […]

944
Audit and diagnostic

[KB1111] How to configure Syslog on PcVue

Applies to: PcVue 15 onwards Summary: Starting with version 15, PcVue supports Syslog, which allows to aggregate PcVue events into an IT monitoring system for analysis such as Windows Event […]

1308
PcVue miscellaneous

[KB1110] PcVue handle leak due to another software

Applies to: PcVue all versions Summary: PcVue handle leak due to a USB key sharing software.   Details: Using USB Network Gate software version 9.1.2306 on the PC where PcVue […]

882
Development kits

[KB1109] How to get JSON Objects from Array using Node-RED

  Applies to: PcVue 15.0 Summary: When using Gateways with Node-RED intergrated in it, different manufacturers will have different versions of Node-RED installed on the Gateway and there would be […]

1514
PcVue installation

[KB1108] Installation error: 11.2 Log Files

Applies to: PcVue 11.2 Summary: Unexpected behavior during the PcVue installation process. Originator: JM Details:Most of files are created in the user temporary folder, when nothing else is specified. Some […]

790
Sample projects

[KB1107] Dashboard Workaround For WebVue

Applies to: PcVue 12.0.20 onwards Summary: Customer demands for Dashboard mimics are increasing. As such, this article provides a workaround by using animations and SCADA Basic to mimic the behaviour […]

1218
Data acquisition

[KB1106] Version and Compatibility of LonWorks software

Applies to:PcVue and LonWorks Summary:Information about different version and compatibility of LonWorks software, regarding PcVue version and also regarding Windows version. Details:To do a Lon configuration, you need a server […]

1793
Historical data

[KB1104] Sql Variables and Data Archiving

Applies to: PcVue15 onwards Summary: This article describes how to configure data archiving when you use Sql variables with row selection mode “All Rows” or “By Field Value”.     […]

1120
PcVue 12

[KB1103] PcVue 12 – Software download

Applies to: PcVue 12 Summary: By following the information below, you can download the latest PcVue 12 or Patch (if available) Details: Download link PcVue 12 12.0.30_PcVue.iso : Download Hash (SHA1): […]

4055
Audit and diagnostic

[KB1102] List full type=0 LinkEnd count=8192 max=8192 message

Applies to: PcVue all versions Symptom: The Event Viewer shows the following looped message “List full type=0 LinkEnd count=8192 max=8192” and sometimes PcVue crashes. Details: This is a specific case […]

919
Configuration environment

[KB1101] Device from Ede file is not displayed

Applies to: All PcVue version. Symptom: After importing an EDE File, PcVue does not give the possibility to add a device. The device is not displayed in the list. Details: […]

791
PcVue installation

[KB1100] Installation error: 15.0 Log Files

Applies to: PcVue 15.0 Summary: Unexpected behavior during the PcVue installation process. Originator: JM Details:All files are created in the User temporary folder. This folder is, more exactly, located on […]

805
PcVue installation

[KB1099] Installation error: PcVue 12 Log Files

Applies to: PcVue 12 Summary: Unexpected behavior during the PcVue installation process. Originator: JM Details:All files are created in the User temporary folder. This folder is, more exactly, located on […]

890
PcVue installation

[KB1098] Installation error: 11, 11.1 Log Files

Applies to: PcVue 11, PcVue 11.1 and PcVue 11.2 Summary: Unexpected behavior during the PcVue installation process. Originator: JM Details: Most of files are created in the user temporary folder, […]

734
PcVue installation

[KB1097] Installation error: 10.0 Log Files

Applies to: PcVue 10.0 Summary: Unexpected behavior during the PcVue installation process. Originator: JM Details: The Log Files are found in the User’s temporary folder unless otherwise stated. By default these […]

698
Historical data

[KB1096] Sql Variables – Avoid SQL Injections

Applies to: PcVue 15 onwards Summary: Embedding SQL scripting in PcVue is extremely powerful, but this feature can be exploited to perform a malicious act, erase data, read sensitive data […]

904
PcVue installation

[KB1095] Silent Install PcVue 15

Applies to: PcVue 15. Summary: A silent installation is an installation that does not display messages or windows during its progress. This article covers silent installation of PcVue version 15. […]

1481
DataVue/Data Export

[KB1094] How to extend Data Export limits

Applies to: PcVue 12.0.16 and onwards Summary: The default limits in Data Export are: 100 exports 10 pages for each export 100 variables for each trend page export These limits […]

1118
Data acquisition

[KB1093] Configure IZOT CT with PcVue

Applies to: PcVue 15.0 onwards Summary: This article explain the differents steps to configure a LON project using IzoT and PcVue. Required hardware : – 1 LIP : Router – […]

1810