BCS-NX2001

This program example contains one BCS-Tools project and one iX project. The projects are meant to be used for quick start of applications and contains most of the basic functionality needed as well as some extended functions.

Program example is intended for Nexto communicating by EtherCat with BFI-P2 or BFI-H3.

Program example support:

Works only towards BFI Frequency inverters
Start and stop
Change Setfrequency
Normal-, fast- or coasting-stop
Inverter Alarm Reset
Constant overview of Drive Outputs-, Alarm-, Safety-, Running Hours status.
Read and Write of parameters
Read of Drive type, Input voltage, Power, Frame size, Firmware and serialnumber

Contain 3 files, one iX-project, one BCS-Tools and one pdf.

Programs are written in BCS-Tools 3.20 and iX Developer 2.40 SP4.

BCS Tools/Nexto - Modbus TCP and Crevis I/O, init ST-3702

Program example:
How to init a ST-3702 for Pt1000 (default value are Pt100)

Project1: Node with one ST-3702, “Modbus_ex_Nexto_ST3702_20171004.projectarchive”
Project2: Node with two ST-3702, “Modbus_ex_Nexto_2pcs_ST3702_20171004.projectarchive”

Program example Nexto/X2control/PIO PLC communication with BFI-P2 and BFI-H3 by Modbus TCP.

This is to be found in Smart Engineering, SER0014. Either download the manual further down for SER0014 or the complete Smart Enginnering here.

Program example is intended for a Nexto, X2-control or PIO communicating by Modbus TCP with BFI-P2 and BFI-H3.

Program example support:

Works only towards BFI Frequency inverters
Activate/Deactivate communication
Start and stop
Change Setfrequency
Normal-, fast- or coasting-stop
Inverter Alarm Reset
Constant overview of Drive Outputs-, Alarm-, Safety-, Running Hours status
Read and Write of all parameters and data available in the inverter
Read of Drive type, Input voltage, Power, Frame size, Firmware and serialnumber

One PLC-program example is for Nexto Xpress XP300 and X2 HMI.

One PLC- example is for X2 control and it's built-in X2 HMI.

One PLC- example is for PIO, GN-9373, and X2 HMI.

One iX-project to monitor/control BFI through the PLC.

Another PLC-program example is for Nexto Xpress XP340 with Webvisu.

Used softwares are BCS Tools 3.51 and iX Developer 2.50.

SER0014_QS_BFIP2H3_ModbusTCP_V1.0.2-EN.pdf

Program example BCS Tools and iX: Nexto Xpress communication with BFI by Modbus RTU.

This is to be found in Smart Engineering, SER0040. Manual describing SER0040 is to be downloaded here

Program example is intended for Nexto Xpress communicating by Modbus RTU with BFI-E3, BFI-P2 or BFI-H3.

Program example support:

Works only towards BFI Frequency inverters
Start and stop
Change Setfrequency
Normal-, fast- or coasting-stop
Inverter Alarm Reset
Constant overview of Drive Outputs-, Alarm-, Safety-, Running Hours status
Read of Drive type, Input voltage, Power, Frame size, Firmware and serialnumber

Contain 3 files, one iX-project, one BCS-Tools and one pdf.

Programs are written in BCS-Tools 3.31 and iX Developer 2.40 SP5.

SER0040_QS_NextoXpress_BFI_ModbusRTU_V1.0.0-EN.pdf

Kom i gang med Nexto XPress - Grunnleggende (Norwegian)

Dette dokumentet beskriver grunnleggende funksjoner i Nexto XPress serien.

Nexto XPress er en kraftig kompakt programmerbar logisk styring (PLS). Den er en del av Nexto serien fra Beijer Electronics. Nexto XPress baserer seg på Codesys 3.5 og leverer høy ytelse med I/O inkludert i et kompakt format. .

Nexto XPress passer i små applikasjoner og som remote I/O. Det har opp til 43 I/O om bord og er enkelt utbyggbart via innebygde porter, som ethernet, CAN og RS-485.

Vedlagt eksempel prosjektet som beskrives i dokumentet

Get Started with Nexto Xpress - MQTT communication

The Nexto XPress series from Beijer Electronics includes a library (LibMQTT) for communication via ‘Message Queuing Telemetry Transport’ (MQTT).

MQTT is a lightweight protocol that requires little bandwidth. It can also be encrypted and is therefore well suited for communications against cloud services (IIOT).

Communication takes place between a client (eg Nexto XP325) and a server service (Broker). Once a client has published data to Broker, other clients can subscribe to it.

Attached example project as described in the document

Get Started with Nexto Xpress - The Basics

Nexto Xpress is a powerful compact programmable logic controller (PLC). It is a part of the Nexto family from Beijer Electronics. Nexto Xpress delivers high performance in a compact format.

Nexto Xpress fits in small applications and as remote I/O. It has up to 43 on board I/O and is easily expandable via built-in ports, such as Ethernet, CAN and RS-485.

Attached example project as described in the document

Get Started with Nexto Xpress - High speed datalogging

This document describes high-speed data logger in Nexto XPress.

The Nexto XPress series from Beijer Electronics includes a library (LibDatalogger) for logging high-speed data to local files in CSV format. The files are stored in persistent memory for later analysis in a spreadsheet (eg Excel®). The minimum logging frequency is 10ms in triggered mode and 100ms in continuous mode.

The generated CSV files can be stored as follows:

• Internal FLASH memory (retrieved with BCS Tools)

• USB memory

Attached example project as described in the document

BCS Tools, MODBUS Symbol Server/Client

Example with one Server (NX3020) and one Client (NX3010)
- 3 Register (Holding) to Send
- 3 Register (Holding) to Read
- 1 bit (Coil) to Send
- 1 bit (Coil) to Read

Setup in Server

Setup in Client

Tags TO / FROM server

Modbus Communication to "IP-address" (To the Server)

NEXTO_ModbusSymbol_Client_Server_BCSTools_206.zip

Get started with Nexto Xpress - IEC60870-5-104

The Nexto Xpress series from Beijer Electronics include a driver for communication via the IEC protocol IEC60870-5-104.

IEC60870-5-104 was originally a protocol developed for the energy sector, but is also widely used in infrastructure projects for roads and railways.

To test the communication, a small test-project in the Scada-system zenon from Copadata is used. Zenon has certified IEC drivers and a widely used Scada system in the energy sector.

Attached PLC-project, library and SCADA-application as described in the document.

The document is in English and Norwegian language.

Get Started with Nexto Xpress - Database communication

This document describes how to communicate with Nexto Xpress/Modular and Microsoft SQL server.

Nexto Xpress and Nexto Modular includes a library, LibSQLClient, to enable the ability to communicate directly with a Microsoft SQL server by using the TDS 4.2 protocol. There is no need for any intermediate software.

Supported database:

Microsoft SQL with TDS 4.2 protocol

Supported commands:

SELECT
INSERT INTO
UPDATE
DELETE FROM

Beijer Control system: Nexto Series catalog

Take control over your business with Nexto Series programmable controllers

Nexto Series is an advanced automation system capable of controlling, in a distributed and redundant way, complex industrial processes, machines and high performance production lines. Modern and fast, Nexto products are based on cutting edge technology in order to provide trustworthiness and connectivity, contributing to your business productive growth.

BCS-Nexto modular 2018-05-08 web.pdf

BCS-Nexto/Nexto Xpress - Number of supported ARTI connections

BCS-NX3010/3020/3030 = 8 ARTI connections (from firmware 1.5.0.10)

BCS-NX3003/3004/3005 = 8 ARTI connections (from firmware 1.7.49.0)

BCS-XP300/315/325/340 = 8 ARTI connections ( from firmware 1.7.46.0)

ARTI connections include iX connection with ARTI driver, BCS Tools connection and Codesys OPC DA server connection.

Clarification about the force function in CODESYS

Background
Force Variables is a feature created in PLCs originally to force inputs, the purpose of this is to test the application without the field signals.

Function
In all CODESYS based PLCs the force feature works as a table of values to write to certain variables every PLC cycle. Different from the write command that happens once, the write of force happens every cycle. When it comes to internal variables that a written to in PLC code the force function will not be effective.

In CODESYS based PLCs (for example SoftControl, SoftMotion, Nexto, Xtorm and others) the force function is executed twice in a cycle, once after read inputs and once before write outputs according to the following picture.

Example of force of internal variable where the user program will have prescendence.

BCS Tools - The address %QBxxxxx not defined in any device

What does this comiler warning mean?
"The address %QB41653 is not defined in any device. Perhaps address is not used"

Answer
The address %QB41653 is connected to the diagnostics variables for the Profibus DP master, might be another address based on the hardware configuration and cpu parameters.
The reason for this message lays in the compiler, CODESYS was developed to use the %I and %Q as IO mappings and the diagnostics in NEXTO are not IO mappings. When using the diagnostics in the user application the compiler thinks that the usage of the address is wrong since not being mappep as a IO mapping.
It is not possible to disable this warning.

BCS Tools - OPC DA connection to the CPU or the simulator in BCS Tools.

When installing BCS Tools the OPC server from CoDeSys is installed in the background.

To configure the OPC server to connect to the simulation mode in BCS Tools do the following:
(When connecting to the cpu this step can be ignored)

Set the project to simulation mode

Create the Symbol Configuration object and select the variables to be exposed.

Call the configuration screen for the OPC server.

Use these settings to connect to the simulator in BCS Tools.
Local host addr: 127.0.0.1
Device Port: 11739

Use these settings to connect to the CPU.
Local host addr: IP address to the cpu
Device Port: 11740

Screenshot of Matrikon OPC Explorer connected to the OPC server in BCS Tools.

Nexto Modular/Nexto Xpress - TLS support

Nexto Xpress with firmware 1.9.9.0 or later supports TLS 1.0, 1.1 and 1.2.

Nexto modular NX3003/NX3004/NX3005 with firmware 1.9.8.0 or later supports TLS 1.0, 1.1 and 1.2.

Nexto modular NX3010/NX3020/NX3030 all firmware versions only supports TLS 1.0.

Nexto modular/Nexto Xpress - MQTT TLS certificate validity check

At connection handshake when using certificates for TLS there is a validation check against the validity period of the certificate and the actual time set in the RTC.

Very important to make sure that the RTC is set with the current time otherwise the connection establishment will fail if the RTC is outside the validity period of the certificate.

How to download Free software packages from SmartStore

This document provides guidelines for customers when downloading free software and firmware packages from SmartStore. The following chapter describes the procedures of:

• Setting up free user account in SmartStore

• Purchase process (Free item only)

• Download Software / Firmware packages

How to download Free software packages from SmartStore - EXTERNAL_2023.08.08.pdf

BCS Nexto - ARTI/OPC communication

From BCS Tools 2.0 and cpu firmware 1.4.0.33 ARTII/OPC communication is supported.

- Keep in mind that this only works with the built-in ports and NOT the NX5000.

For example iX panels (TxA/ TxB / TxC) with CODESYS ARTI driver can communicate with BCS-Nexto system.

Example of a Modbus/TCP client via PLC code using the Oscat library

In the example Modbus Function Code 3 and 16 (read multiple holding registers and write multiple holding registers) are used to read and write 100 holding registers every 100 ms.

Example for Nexto (3010 CPU) is created with BCS Tools 2.03

Example for TxB-SoftControl (hardware with firmware 3.5.7.10) is created with CoDeSys 3.5 SP7 Patch 3

BCS Nexto Xpress/Modular - MQTT version

The current MQTT stack implemented in Nexto Xpress and Nexto Modular supports;
- MQTT v3.1.1
- MQTT v3.1

LTB Life Cycle Notification BCS-NX940x spareparts

04--LTB_beijer_electronics_life_cycle_notification--BCS-NX940x--2021-03-03.pdf

BCS Nexto/Nexto Xpress - MQTT certificate support

When using encypted MQTT communication with TLS, communication is established by using X.509 certificates. These certificates can have different encoding schemes where one being the PEM(Base64 ASCII) or DER (binary).

Normally PEM files uses the extension *.crt, *.pem, *.cer and *.key and DER files normally uses *.der or *.cer.

With the current firmware:
Nexto Xpress XP3xx/Nexto modular NX3008 1.12.24.0
Nexto modular NX300x 1.12.23.0 and
Nexto modular NX30x0 1.10.8.0
in combination with LibMQTT 1.0.0.8 only Base64 ASCII encoded certificates can be used.

DER encoding scheme is no supported.

The manual states using certificated with *.crt extension, it is confirmed that also *.pem works fine as long as the enconding scheme is supported.

More details about encoding schemes and extension can for example be found here:
https://www.ssl.com/guide/pem-der-crt-and-cer-x-509-encodings-and-conversions/#ftoc-heading-2

Nexto I/O update with EtherCat master

The EtherCAT Master for Nexto have 2 "modes" of I/O update:

1) Update all the I/O in one task only (bus cycle task)

2) Update the I/O in the context of each task

The selection of this "mode" is made by the following setting:

When this setting is checked, you are on "mode" 2. Otherwise, "mode" 1. The bus cycle task ("mode" 1) is selected here:

For "mode" 1, by default the bus cycle task is assigned to MainTask, but you can assign to some other task if you want. For example, you can assign it for a TimeInterrupt task. In this case, Nexto I/O modules will be updated on MainTask, and EtherCAT I/O will be updated on TimeInterrupt (preempting the MainTask).

For "mode" 2, the EtherCAT Master will perform the I/O update on the context of each task which uses some EtherCAT I/O on some POU. So, it means that the bus activities can be spread into several tasks.

The local bus I/O also have these two "modes", and you can select it on the CPU configuration window:

Please note that these "modes" are not an official terminology...it is just a way to help on the explanation.

Regarding the REFRESH_INPUT/REFRESH_OUTPUT function, they are very specific and must be used only on MainTask and only for local Nexto I/O modules. If you want I/O update on other task than MainTask, you should use the "update/messages per task" options described above.

Now, finally, lets take a look at the moment that the I/O update is performed on each of these scenarios:

Nexto - Persistent variables loose their value if the name of the application changes

In the current and older versions of BCS Tools (2.05) and cpu firmware (1.5.1.3) if the application name is changed from "Application" to something else the persistent variables will loose their values every power off/on.

Currently you should use the default name "Application".

This issue has been addressed and will be solved in a future version of BCS Tools.

Always use the default name "Application"

Workaround

By using BCS Tools 2.06 and firmware 1.5.1.7 you can change name of the application and the persistent function will still work. This is valid for a single system. Do not change the Application name in a redundant setup.

Nexto - Check operating status of I/O modules

The attached document contains a "best practice" method to monitor the operational state of rack mounted I/O modules. This method is the recommended to use when creating interlock and alarms from the I/O modules.

NAP15900.pdf

BCS Tools - Edit CSV files with Excel 2013 or newer might destroy and make the csv files unusable for BCS Tools

When editing exported csv files with Excel 2013 or newer Excel might detroy the format of the csv files after saving it.

As a workaround OpenOffice Calc can be used instead of Excel.

https://www.openoffice.org/download/index.html

Download BCS Tools from SmartStore

To download the current and older versions of BCS Tools please visit Smart Store: https://smartstore.beijerelectronics.com/

Download latest BCS Tools version

BCS Nexto modular - DNV approval

TAA00001BU_10.pdf

BCS Nexto/Nexto Xpress - UL/cUL certificate

Please use these links to access the UL/cUL certified Nexto/Nexto Xpress products

UL
https://iq.ulprospector.com/en/profile?e=222921

cUL
https://iq.ulprospector.com/en/profile?e=246429

NOTE!
- BCS Nexto only has UL approval
- An account has to be created (for free) to access the certificates

BCS Nexto Modular - CE EMC/LVD Declaration

DC414001.pdf

BCS Nexto Modular - UKCA Declaration

DC414061.pdf

BCS Nexto modular - CAD symbols

NAMING OF FILES
Example: NX3010_20130529.dwg.zip

Where:
NX3010 : product name
20130529 : file date in the format "YYYYMMDD" (in this example: May, 29th 2013)
dwg : file format provided

FILE VERSION:
DWG - Autocad 2002 or higher
STEP - AP214

BCS Tools/BCS Nexto/BCS Nexto Xpress - Revision history

RevisionHistoryProductsBEIJER - 230905.pdf

BCS Nexto - Cpu Firmware 1.8.13.0/1.9.29.0 (transition version)

BCS-NX3003 / BCS-NX3004 / BCS-NX3005 = 1.9.29.0
BCS-NX3010 / BCS-NX3020 / BCS-NX3030 = 1.8.13.0

Note! New format of firmware update file. This is the transition version.

1.9.29.0

- Changed firmware update mechanism to include support for the new file format that will be introduced on upcoming versions.

- Improvements in “one touch diag” feature.

- Included support for PROFINET Controller.

1.8.13.0

- Changed firmware update mechanism to include support for the new file format that will be introduced on upcoming versions.

- Included fixed DNS server settings (8.8.8.8 and 8.8.4.4).

- Improved NIC Teaming performance.

Link to the revision history document for all BCS products.

https://www.beijerelectronics.com/en/support/Help___online?docId=66769

Nexto modular v1.8.13.0_v1.9.29.0.zip

BCS Nexto - MiB files for SNMP monitoring

MiB files for SNMP monitor function in Nexto. (BCS-NX3004, BCS-NX3010, BCS-NX3020, BCS-NX3030)

SNMP functionality requires cpu firmware 1.4.0.33 or later.

BCS Nexto Series - Datasheet

Nexto Series Programmable Logic Controller
- Complete list of modules

CE114000.pdf

Article number	66.014.421-1
Warranty	2 year

Certificates	CE, ROHS, UL, DNV
Module dimensions (W x H x D)	18.00 x 114.62 x 117.46 mm
Net weight	200 g

Hot Swap	Yes
One Touch Diag (OTD)	Yes
Status and diagnostics indication	Yes

External power supply	19.2 - 30 VDC
Update time	2 ms

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BCS NX2001 - Installation Guide

BCS-NX2001 - User's manual

BCS Nexto modular/Nexto Xpress - PID advanced library

BCS Tools - User Manual

BCS Tools - Programming Manual

BCS Tools - Datasheet

BCS NX940x - User's manual (Connectors of Nexto Series)

BCS NX92xx - User's manual (RJ45-RJ45 Cables)

BCS Nexto Series - User Manual

BCS Tools Nexto - Digital IO modules NX1001 NX1005 NX2001 NX2020 (KI00348B)

Program example BCS Tools and iX: Nexto communication with BFI by EtherCAT

BCS Tools/Nexto - Modbus TCP and Crevis I/O, init ST-3702

Program example Nexto/X2control/PIO PLC communication with BFI-P2 and BFI-H3 by Modbus TCP.

Program example BCS Tools and iX: Nexto Xpress communication with BFI by Modbus RTU.

Kom i gang med Nexto XPress - Grunnleggende (Norwegian)

Get Started with Nexto Xpress - MQTT communication

Get Started with Nexto Xpress - The Basics

Get Started with Nexto Xpress - High speed datalogging

BCS Tools, MODBUS Symbol Server/Client

Get started with Nexto Xpress - IEC60870-5-104

Get Started with Nexto Xpress - Database communication

Beijer Control system: Nexto Series catalog

BCS-Nexto/Nexto Xpress - Number of supported ARTI connections

Clarification about the force function in CODESYS

BCS Tools - The address %QBxxxxx not defined in any device

BCS Tools - OPC DA connection to the CPU or the simulator in BCS Tools.

Nexto Modular/Nexto Xpress - TLS support

Nexto modular/Nexto Xpress - MQTT TLS certificate validity check

How to download Free software packages from SmartStore

BCS Nexto - ARTI/OPC communication

Example of a Modbus/TCP client via PLC code using the Oscat library

BCS Nexto Xpress/Modular - MQTT version

LTB Life Cycle Notification BCS-NX940x spareparts

BCS Nexto/Nexto Xpress - MQTT certificate support

Nexto I/O update with EtherCat master

Nexto - Persistent variables loose their value if the name of the application changes

Nexto - Check operating status of I/O modules

BCS Tools - Edit CSV files with Excel 2013 or newer might destroy and make the csv files unusable for BCS Tools

Download BCS Tools from SmartStore

BCS Nexto modular - DNV approval

BCS Nexto/Nexto Xpress - UL/cUL certificate

BCS Nexto Modular - CE EMC/LVD Declaration

BCS Nexto Modular - UKCA Declaration

BCS Nexto modular - CAD symbols

BCS Tools/BCS Nexto/BCS Nexto Xpress - Revision history

BCS Nexto - Cpu Firmware 1.8.13.0/1.9.29.0 (transition version)

BCS Nexto - MiB files for SNMP monitoring

BCS Nexto Series - Datasheet

BCS-NX2001

Digital output module transistor

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