Nexaiot Nexua User manual

NexAIoT Co., Ltd.

Version: v1.09

Published December 2019

www.nexaiot.com

NexAIoT Co., Ltd.

NexUA Server

User Manual

Contents

Preface ..................................................................... 1

Disclaimer........................................................................................1

Acknowledgements .........................................................................1

Revision History................................................................................1

Chapter 1: Using the NexUA Server ...................... 2

1.1 Introduction..............................................................................2

1.2 Installing NexUA Server.............................................................3

1.2 Launching NexUA Server...........................................................8

Chapter 2: NexUA Server Basics........................... 10

2.1 Status .....................................................................................12

2.2 Endpoints ...............................................................................13

2.3 Users ......................................................................................15

2.4 Node Config...........................................................................17

2.5 NexUA ODBC SOP ..................................................................21

MySQL....................................................................................21

MSSQL....................................................................................34

2.6 License....................................................................................49

2.7 About.....................................................................................53

Preface

Disclaimer

The information in this document is subject to change without prior notice

and does not represent commitment from NexAIoT Co., Ltd. However, users

may update their knowledge of any product in use by constantly checking

its manual posted on our website: https://www.nexaiot.com. NexAIoT

shall not be liable for direct, indirect, special, incidental, or consequential

damages arising out of the use of any product, nor for any infringements

upon the rights of third parties, which may result from such use. Any

implied warranties of merchantability or fitness for any particular purpose is

also disclaimed.

Acknowledgements

The NexUA Server is a trademark of NexAIoT Co., Ltd. All other product

names mentioned herein are registered trademarks of their respective

owners.

Revision History

Version Date Description

v1.04 June 2018 Initial release

v1.06 February 2019

1. Support alarm notification and

historical data logging.

2. Support anonymous login.

v1.07 September 2019

1. Released NexUA version 1.20.037.

2. Support ODBC interface for MySQL

and MSSQL.

3. Support online or offline activation.

PrefaCe

Chapter 1: Using the NexUA Server

ChaPter 1: Using the nexUa server

1.1 Introduction

NexAIoT NexUA Server is an Open Platform Communications

Unified Architecture (OPC UA) server package with the focus on

communicating with systems for data collection. Based on the

OPC UA information model, NexAIoT NexUA provides the platform

required for information collection and allows users to leverage

the service-oriented architecture of OPC UA to organize their

complex data into an OPC UA namespace. With features such as tag

subscriptions and real-time updates, NexAIoT NexUA Server plays a

key role as a communication portal that allows OPC UA clients to

manipulate HMI or PLC data. NexAIoT NexUA Server consists of a

configurable GUI for parameters and settings as well as an OPC UA

server service to act as a hub for gathering data and sending them to

OPC UA client applications, enabling a streamlined OPC UA system

operation.

Check the operating system requirement before installing the NexUA

Server. The following are the supported operating systems:

• Microsoft Windows 10, Windows 8.1, Windows 7 with Service

Pack 1, Windows Embedded Standard 7 with Service Pack 1

• Microsoft Windows Server 2016, Windows Server 2012 R2

Chapter 1: Using the NexUA Server

1.2 Installing NexUA Server

1. Double click on the filename of the NexUA Server setup file, select

the language for the installation, and click OK.

2. The installation wizard will prepare the setup process.

Chapter 1: Using the NexUA Server

3. Click Next to proceed, or click Cancel to quit.

4. Check the I accept the terms in the license agreement option,

and click Next to proceed.

Chapter 1: Using the NexUA Server

5. Enter the user information and the Serial Number.

Note: You can check the Trial Version option and enter the serial

number later. The entered product key will introduce a respective

version of NexUA Server displayed on the title of the GUI.

*A warning message will be prompted if the serial number is invalid.

Chapter 1: Using the NexUA Server

6. Click Install to begin installation.

7. The installation will begin and may take a while.

Chapter 1: Using the NexUA Server

8. Once completed, click Finish to exit the installation wizard.

Chapter 1: Using the NexUA Server

1.2 Launching NexUA Server

Once installed, you should be able to find the program named

NexUA Utility in the All Programs list as shown.

1. Click on the icon or NexUA Utility to launch NexUA Server.

*Actual location varies from operating systems. The screenshot

above depicts the program in Windows 7.

2. Enter the password in the respective field and click OK.

Note:

1. Use the default Password: 0000 to log in if you are logging in for

the first time.

2. Remember to change the password frequently and keep it in a safe

place to avoid hacking. Refer to 2.4 License for setting the password.

*A warning message will be prompted if an incorrect password is

entered.

Chapter 1: Using the NexUA Server

3. The GUI of NexUA Server will be displayed on the screen.

Chapter 2: NexUA Server Basics

ChaPter 2: nexUa server BasiCs

NexAIoT NexUA Server consists 5 pages of information and menus for

server status and configurable parameters. Simply click on the respective tab

for further configuration purposes with NexUA Server.









Chapter 2: NexUA Server Basics

Item Name Description

1NexUA Server

Status

Move the cursor onto the connection

address and right click to copy it.

2 OK/Cancel

Click OK or Cancel to hide the interface in

the background.

To bring the interface back to the screen, click

on Show hidden icons in the taskbar, and

click on the icon of NexUA Server. A message

will prompt you to enter the password.

3 Apply

Click Apply to make the configured

parameters take effect. A message will prompt

you with the option to restart the server.

4 X Click on the Xbutton to exit NexUA Server.

Chapter 2: NexUA Server Basics

2.1 Status

The Status page displays brief information about the current server

status. When NexUA Server is launched, the server operation is

initially stopped by default. Once NexUA Server is up and running,

the connection addresses for UA TCP: and HTTPS: will be displayed

respectively, allowing client applications to use the addresses to

connect to NexUA Server.

 

Item Name Description

1 Start Click Start to get the server running.

2 Stop Click Stop to stop the server operation.

3 Restart

Click Restart to stop and start the server operation.

Chapter 2: NexUA Server Basics

2.2 Endpoints

The Endpoints page allows you to configure all affiliated settings of

connections between endpoints. You can edit the settings and save

them by clicking Apply at the bottom of the user interface. The

settings are applied once the server has been restarted.

Chapter 2: NexUA Server Basics

Item Name Description

1Connection

Address

UA TCP is the default network protocol for the endpoints.

You can choose to enable or disable the HTTPS protocol by

checking/unchecking the checkbox on the left of the HTTPS

connection address.

2 Port Enter a number in the Port field to set the dedicated port

for the connection address.

3Server

Name

Enter a name in the Server Name field to set the hostname

for the connection address.

4Security

Modes

Check either of the checkboxes in Security Modes to set

the method for authenticating the connection.

• None: The connection does not require authentication.

• Sign: The connection requires sign-in information.

• SignEncrypt: The connection requires and encrypts sign-

in information.

5Security

Policies

Check either of the checkboxes in Security Policies to set

the encryption algorithm used for the connection.

• Basic128Rsa15: The connection adopts RSA15 as the

key wrap algorithm and 128-bit Basic as the message

encryption algorithm.

• Basic256: The connection adopts 256-bit Basic as the

message encryption algorithm.

• Basic256Sha256: The connection uses SHA256 for

the signature digest and 256-bit Basic as the message

encryption algorithm.

Note:

1. HTTPS is designed to secure against attackers gaining access to

website accounts and sensitive information. Thus, there are no

security settings in the HTTPS section.

2. If both ports of UA TCP and HTTPS are identical, an error message will

prompt you to reset the ports.

Chapter 2: NexUA Server Basics

2.3 Users

The Users page displays user authentication settings. Connections

to NexUA Server can be authenticated with username/password,

Windows Logon, or Certification.



 



Chapter 2: NexUA Server Basics

Item Name Description

1 Reset Click Reset to change the password of the Administrator.

2Server

Users

Right click on the table in Server Users to Add a user,

Delete one or multiple users, Change Password of a user,

and Change Access Right of a user.

Note:

Press and hold the Shift key and

click on the name of the user to

select multiple users.

Add User

Select Add User in the pop-up window to add a new

account. Enter the required information in the respective

fields, and select the required Access Right option by

selecting the respective checkboxes. Click OK when done.

Enable

Windows

Logon

Check the checkbox on the left of Enable Windows Logon

to enable or disable Windows logon, which is a feature

that uses username and password of the local windows

installation for NexUA Server connection.

4Enable

Certification

Check the checkbox on the left of Enable Certification to

enable or disable asymmetrical cryptography to authenticate

with the self-signed certificate for NexUA Server connection.

The trusted self-signed public key is stored in the following path:

C:\Program Files\NEXCOM\NexUA Server\pkiuser\trusted\certs

The rejected self-signed public key is stored in the following path:

C:\Program Files\NEXCOM\NexUA Server\pkiuser\rejected

Note: Moving a rejected self-signed public key from the “rejected”

location to the “trusted” location results in its status becoming trusted.

5 Anonymous Check the checkbox on the left of Anonymous to enable or

disable anonymous login.

Chapter 2: NexUA Server Basics

2.4 Node Config

The Node Config page displays and configures alarm and historical

data settings of the NexUA Server. An alarm is an abnormal condition

aimed to notify relevant users that special attention is required. The

historical configuration is used to provide historical data for a variable

from the NexUA Server.

Chapter 2: NexUA Server Basics

Item Name Description

1Alarm & HA

List

1-1. The icon represents an alarm field.

1-2. The icon represents a field and the value of the field

will be stored to the server.

1-3. Displays the attributes of the selected fields in the

Alarm & HA List table.

2Start

Logging

Starts or stops the logging of historical data. After starting

the logging, the value of nodes will be historized to the

server.

3 Configure

You can edit the alarm and historical data settings by clicking

Configure at the bottom of the Node Config page.

1. Objects: Allows users to browse all the objects (“object”

indicates the node class) and all the child elements of

objects in the server’s address space. (The server’s address

space will be saved as a XML file and the default filename

is NodeCong.xml.)

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