KNX
Modbus RTU Master
USER MANUAL
Issue date: 04/2020 r1.0 ENGLISH
Страница 1: ...KNX Modbus RTU Master USER MANUAL Issue date 04 2020 r1 0 ENGLISH...
Страница 2: ...nd are only intended to help improve understanding of the functionality and handling of the product In view of the wide range of possible applications of the product and because of the many variables...
Страница 3: ...al Networks S L U All rights reserved This information is subject to change without notice URL https www intesis com 3 19 Gateway for the integration of Modbus RTU installations into KNX TP 1 EIB enab...
Страница 4: ...ommunication Objects 7 Points definition 8 3 Modbus interface 9 Description 9 Points definition 10 4 Connections 11 Powering the device 12 Connection to KNX 12 Connection to Modbus 12 4 3 1 Modbus RTU...
Страница 5: ...was a part of the own KNX TP 1 EIB system and vice versa For this Intesis acts as a Modbus RTU master device in its Modbus interface reading writing registers of the Modbus slave device s and offering...
Страница 6: ...iated to a Modbus point a message is sent immediately to the corresponding Modbus device to perform the corresponding action In the continuous polling of the Modbus devices if a non response of the Mo...
Страница 7: ...is sent to the KNX bus with the associated KNX group to maintain both systems synchronised in every moment The status of the KNX bus is checked continuously and if a bus drops down is detected due to...
Страница 8: ...ormation about the Communication Object or Signal DPT 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 In so...
Страница 9: ...erent type of registers that can be found in Modbus devices and also different data formats to encode values See below section 3 2 for all the function codes and data formats supported by Intesis s Mo...
Страница 10: ...dian Word Inverted Little Endian Register Address The Modbus register address inside the slave device for the point Bit inside the register Bit inside the Modbus register optional The gateway allows b...
Страница 11: ...larity Port A Modbus RTU Connect the EIA485 bus to connectors A2 A A3 B and A1 SNGD of gateway s Port A Respect the polarity Note for Port A Remember the characteristics of the standard EIA485 bus max...
Страница 12: ...arked as Port A of Intesis Connect the EIA485 bus to connectors A2 A A3 B and A1 SNGD of gateway s PortA Respect the polarity Remember the characteristics of the standard EIA485 bus maximum distance o...
Страница 13: ...rograming Mode L1 Off Device isn t in programing mode on KNX Blinking red Device is in programing m ode on KNX Power L2 Off No power Green Device powered and working Port A activity L3 Off There is no...
Страница 14: ...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 Product documentation Product...
Страница 15: ...after initialization process to start uploading of all values in KNX network Modbus connection parameters o Baudrate Defines the communication speed for the RTU communication Values from 2400 to 1152...
Страница 16: ...ype DPT to be used for each signal or KNX communication object For the Modbus configuration as an external protocol the following parameters need to be considered 1 Slave It indicates the slave number...
Страница 17: ...you want to read 10 Operation It indicates if any operation is being applied to the signal Posible operetations are multiplication and division per 10 and 100 and relational operator equal 11 Operati...
Страница 18: ...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 3 Connect the communicat...
Страница 19: ...ation from other ports KNX power consumption 20mA Voltage rating 29VDC PORT A 1 x Serial EIA485 Plug in screw terminal block 3 poles A B SGND Reference ground or shield 1500VDC isolation from other po...
