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Summary of Contents for HMS Networks Intesis KNX
- Page 1 Modbus RTU Master USER MANUAL Issue date: 04/2020 r1.0 ENGLISH...
- Page 2 KNX – Modbus Master Intesis User Manual r1.0 eng Important User Information Disclaimer The information in this document is for informational purposes only. Please inform HMS Industrial Networks of any inaccuracies or omissions found in this document. HMS Industrial Networks disclaims any responsibility or liability for any errors that may appear in this document.
- Page 3 KNX – Modbus Master Intesis User Manual r1.0 eng Gateway for the integration of Modbus RTU installations into KNX TP-1 (EIB) enabled monitoring and control systems. ORDER CODE INKNXMBM1000100 © HMS Industrial Networks S.L.U - All rights reserved https://www.intesis.com This information is subject to change without notice 3 / 19...
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Page 4: Table Of Contents
KNX – Modbus Master Intesis User Manual r1.0 eng INDEX 1 Description ............................... 5 Introduction ............................5 Functionality ............................. 6 Gateway’s capacity .......................... 6 2 KNX System ............................. 7 Description ............................7 Comms status Communication Objects ................... 7 Points definition ..........................8 3 Modbus interface ............................ -
Page 5: Description
1 Description Introduction This document describes the integration of Modbus RTU installations into KNX systems using the Intesis KNX– Modbus Master gateway. The aim of this integration is to make accessible Modbus system signals and resources from a KNX control system or device, as if it was a part of the own KNX TP-1 (EIB) system and vice-versa. -
Page 6: Functionality
KNX – Modbus Master Intesis User Manual r1.0 eng Functionality From the Modbus system point of view, after the start up process, Intesis reads continuously the points configured to be read in the Modbus RTU Slave devices and updates in its memory all the values received from the Modbus system. -
Page 7: Knx System
2 KNX System In this section, a common description for all Intesis KNX series gateways is given, from the point of view of KNX system which is called from now on internal system The Modbus system is also called from now on external system. -
Page 8: Points Definition
KNX – Modbus Master Intesis User Manual r1.0 eng Points definition Every internal datapoint to define has the following KNX properties: Property Description Object name Descriptive information about the Communication Object or Signal. It is the KNX data type used to code the signal's value. It will depend on the type of signal associated in the external system in every case. -
Page 9: Modbus Interface
KNX – Modbus Master Intesis User Manual r1.0 eng 3 Modbus interface Description Intesis gateway acts as master in the Modbus RTU Network and the other Modbus devices connected to the same network communicating with Intesis must be always slave devices. The Modbus protocol defines different types of function codes to use to read/write different type of registers that can be found in Modbus devices, and also different data formats to encode values. -
Page 10: Points Definition
KNX – Modbus Master Intesis User Manual r1.0 eng Points definition Each point defined in the Intesis gateway has the following Modbus features associated to it: Feature Description # Slave Modbus slave number to which the point belongs to. One of the following Modbus function codes can be used: Function code •... -
Page 11: Connections
KNX – Modbus Master Intesis User Manual r1.0 eng 4 Connections Find below information regarding the Intesis connections available. KNX Port Connect the KNX TP1 bus to connectors + and - of gateway’s KNX Port. Respect the polarity Port A / Modbus RTU Connect the EIA485 bus to connectors A2 (A-), A3 (B+) and A1 (SNGD) of gateway’s Port A. -
Page 12: Powering The Device
KNX – Modbus Master Intesis User Manual r1.0 eng Powering the device Power is supplied by power supply present in the KNX network (see section 4.2). Connection to KNX Connect the communication cable coming from the KNX network to the KNX Port (Figure above) of Intesis. Respect the polarity. -
Page 13: Status Leds
KNX – Modbus Master Intesis User Manual r1.0 eng 5 Status LEDs Find below information regarding LEDs present in the device. Colour Indication Device isn’t in programing mode on KNX KNX Programing Mode (L1) Blinking red Device is in programing m ode on KNX Power (L2) No power Green... -
Page 14: Set-Up Process And Troubleshooting
Intesis and a Modbus RTU slave connected to their corresponding port as well. Connectors, connection cables, PC to use the configuration tool and other auxiliary material, if needed, are not supplied by HMS Industrial Networks S.L.U for this standard integration. Items supplied by HMS Networks for this integration are: • Intesis gateway. -
Page 15: General Configuration
KNX – Modbus Master Intesis User Manual r1.0 eng 6.2.3 General configuration Select General configuration tab to configure the Modbus connection parameters and number of signals to integrate. Number of signals. Define number of Modbus signals to integrate. Once defined, it will create all communication objects required on the ETS Project. - Page 16 KNX – Modbus Master Intesis User Manual r1.0 eng 6.2.4 Table All available KNX objects and its corresponding Modbus register and other main parmaters are listed in this table. Figure 6.3 Table tab For the KNX configuration as an internal protocol, the following parameters need to be considered: 1.
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Page 17: Sending The Configuration To Intesis
KNX – Modbus Master Intesis User Manual r1.0 eng 8. Bit If using multiple bit (bit fields), it indicates the first bit you want to read 9. # Bits If using multiple bit (bit fields), it indeicates the number of bits you want to read 10. -
Page 18: Set-Up Procedure
KNX – Modbus Master Intesis User Manual r1.0 eng Set-up procedure 1. Install Intesis in the desired installation site. Installation can be on a stable not vibrating surface. 2. Connect the KNX communication cable coming from the KNX network to the port marked as KNX Port on Intesis (More details in section 4). -
Page 19: Electrical & Mechanical Features
KNX – Modbus Master Intesis User Manual r1.0 eng 7 Electrical & Mechanical Features Plastic, type ABS (UL 94 V-0) Enclosure Net dimensions (d h): 71x71x27 mm Color: White. RAL 9010 Mounting Wall. Power Supplied through KNX bus. See on KNX Port. 1 x KNX TP-1 Plug-in screw terminal block (2 poles) 2500VDC isolation from other ports KNX Port...
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