IntesisBox IBMBSKNX1000000, IBMBSKNX2500000, IBMBSKNX6000000, IBMBSKNX1K20000, IBMBSKNX3K00000 User Manual

IntesisBox

®

Modbus Server

KNX

User Manual

r1.0 eng

Issue date: 09/2017

IntesisBox® Modbus Server - KNX User Manual r1.0 eng

URL

email

tel

http://www.intesisbox.com
[e-mail]
[phone]

© Intesis Software S.L.U. - All rights reserved

IntesisBox is a registered trademark of Intesis Software SLU

2/18

© Intesis Software S.L.U. 2017 All Rights Reserved.

Information in this document is subject to change without notice. The software described in this document is furnished
under a license agreement or nondisclosure agreement. The software may be used only in accordance with the terms
of those agreements. No part of this publication may be reproduced, stored in a retrieval system or transmitted in
any form or any means electronic or mechanical, including photocopying and recording for any purpose other than
the purchaser’s personal use without the written permission of Intesis Software S.L.U.

Intesis Software S.L.U.
Milà i Fontanals, 1 bis
08700 Igualada
Spain

TRADEMARKS
All trademarks and trade names used in this document are acknowledged to be the copyright of their respective
holders.

IntesisBox® Modbus Server - KNX User Manual r1.0 eng

URL

email

tel

http://www.intesisbox.com
[e-mail]
[phone]

© Intesis Software S.L.U. - All rights reserved

IntesisBox is a registered trademark of Intesis Software SLU

3/18

Gateway for the integration of KNX TP-1 (EIB) installations into
Modbus RTU and/or Modbus TCP enabled monitoring and
control systems.

Order code:

IBMBSKNX1000000, 100 points version
IBMBSKNX2500000, 250 points version
IBMBSKNX6000000, 600 points version
IBMBSKNX1K20000, 1200 points version
IBMBSKNX3K00000, 3000 points version

IntesisBox® Modbus Server - KNX User Manual r1.0 eng

URL

email

tel

http://www.intesisbox.com
[e-mail]
[phone]

© Intesis Software S.L.U. - All rights reserved

IntesisBox is a registered trademark of Intesis Software SLU

4/18

INDEX

1 Description ............................................................................................................................................... 5

Introduction ....................................................................................................................................... 5

Functionality ..................................................................................................................................... 6

Gateway’s capacity .......................................................................................................................... 6

2 KNX interface ........................................................................................................................................... 7

Description ........................................................................................................................................ 7

Points definition ................................................................................................................................ 7

3 Modbus interface ...................................................................................................................................... 8

Description ........................................................................................................................................ 8

Functions supported ......................................................................................................................... 8

Modbus RTU .................................................................................................................................... 8

Modbus TCP ..................................................................................................................................... 8

Address Map .................................................................................................................................... 8

Points definition ................................................................................................................................ 9

4 Connections ........................................................................................................................................... 10

Powering the device ....................................................................................................................... 11

Connection to KNX ......................................................................................................................... 11

Connection to Modbus ................................................................................................................... 11

4.3.1 Modbus TCP ........................................................................................................................... 11

4.3.2 Modbus RTU ........................................................................................................................... 11

Connection to the configuration tool ............................................................................................... 11

5 Set-up process and troubleshooting ...................................................................................................... 12

Pre-requisites ................................................................................................................................. 12

IntesisBox MAPS. Configuration & monitoring tool for IntesisBox KNX series .............................. 12

5.2.1 Introduction ............................................................................................................................. 12

5.2.2 Connection .............................................................................................................................. 12

5.2.3 Configuration tab .................................................................................................................... 13

5.2.4 Signals .................................................................................................................................... 13

5.2.5 Sending the configuration to IntesisBox ................................................................................. 14

5.2.6 Diagnostic ............................................................................................................................... 14

Set-up procedure ............................................................................................................................ 16

6 Electrical & Mechanical Features ........................................................................................................... 17

7 Dimensions ............................................................................................................................................ 18

IntesisBox® Modbus Server - KNX User Manual r1.0 eng

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email

tel

http://www.intesisbox.com
[e-mail]
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5/18

1 Description

Introduction

This document describes the integration of KNX installations into Modbus RTU and Modbus TCP systems using the
IntesisBox Modbus Slave – KNX gateway.

The aim of this integration is to make accessible a KNX TP-1 installation from a Modbus control system or device,
as if it was a part of the own KNX TP-1 (EIB) system and vice-versa.

For this, IntesisBox acts as a Modbus TCP server or Modbus RTU slave device in its Modbus interface, allowing
read/write points from the Modbus client device(s), and offering this point's values through its KNX interface, acting
in the KNX system as one more KNX device of the system.

Configuration is carried out using the configuration software IntesisBox® MAPS.

This document assumes that the user is familiar with KNX and Modbus technologies and their technical terms.

Integration of KNX TP-1 devices or installations into

Modbus RTU Master or Modbus TCP Clients

control and monitoring systems

KNX TP-1

Modbus TCP

Ethernet TCP

Modbus RTU RS485

Modbus RTU RS232

IntesisBox® Modbus Server - KNX User Manual r1.0 eng

URL

email

tel

http://www.intesisbox.com
[e-mail]
[phone]

© Intesis Software S.L.U. - All rights reserved

IntesisBox is a registered trademark of Intesis Software SLU

6/18

Functionality

From the KNX system point of view, in the start-up process of the gateway and also after a detection of a KNX bus
reset, the gateway polls the KNX signals configured to be updated in this situation and maintain the received values
in memory to be served to the Modbus system when requested. It also listens for any KNX telegram related to the
internal points configured in it and acts accordingly to the configuration of the related point.

From the Modbus system point of view, after the start up process, the gateway listens for any read or write request,
and serves any read request or performs any writing request of its internal points received from Modbus system. The
values received from Modbus become available to be read by the KNX system and vice-versa.

Every one of the mentioned Modbus points is associated to a KNX group address. With this, all the Modbus system
is seen as one more KNX device from the KNX system point of view, with the same configuration and operation
characteristics.

When a change in any Modbus point occurs, a WRITE telegram is sent to the associated Group Address in the KNX
bus. See details in section.

When a telegram is received from a KNX Group address associated to a Modbus point, a message is sent
immediately to the corresponding Modbus device to perform the corresponding action.

Gateway’s capacity

IntesisBox capacity is listed below:

Element

100

version

250

version

600

version

1200

version

3000

version

Notes

Number of KNX
Communication
Objects

100

250

600

1200

3000

Maximum number of KNX
Communication Objects that can
be defined.

Number of KNX Main
Group Addresses

100

250

600

1200

3000

Maximum number of KNX Main
Group Addresses to be used

Number of KNX
Associations

200

500

1200

2400

6000

Maximum number of KNX
Associations

Type of Modbus
Master devices

Modbus RTU (EIA485 or EIA232)

Modbus TCP

Those supporting Modbus
protocol. Communication over
TCP/IP and RTU

Number of Modbus
Master devices

1 Master device per RTU Node

Up to 6 TCP connections

Number of Modbus Master
devices supported by the device