ekinex

BACnet MS/TP server - KNX gateway

Code: EK-BJ1-TP-MSTP

BACnet MS/TP server - KNX gateway

Description

The Ekinex® BACnet - KNX Gateway performs a protocol conversion between a BACnet and a KNX TP network. Two versions are available: BACnet MS/TP over serial RS485 network and BACnet IP over Ethernet.

The device integrates a KNX bus communication module and it is suitable for mounting on a 35 mm DIN rail; it requires an auxiliary power supply (8...24 Vac or 12...35 Vdc).

The device functions as a BACnet MS/TP server (slave) on the serial RS485 network, allowing Building Management Systems (BMS) and supervisory controllers to seamlessly monitor and control KNX building automation installations.

Other information

BACnet® is an ASHRAE (American Society of Heating, Refrigerating and Air-Conditioning Engineers) trademark.

Technical data

Power supply

Power supply8...24 Vac or 12...35 Vdc
Absorption at 24 Vdc3.5 VA

KNX side communication

KNX portKNX TP (Twisted Pair) communication port electrically isolated from power supply
Memory buffer1440-byte volatile support 'KNX image' memory buffer

BACnet (MS/TP version) side

Serial portRS485 serial communication port, electrically isolated from power supply
Line termination120 ohm termination resistance pluggable by a 1-way microswitch
Baud rateSelectable baud rate from 1200 to 115200 baud
Communication roleBACnet MS/TP server (slave)
Data exchangeBACnet objects exchange
Memory buffer1440-byte volatile support 'BACNet image' memory buffer

Functions / Features

CasingPlastic casing
Modular units4 modular units (1 MU = 18 mm, total 72 mm)
InstallationOn 35 mm rail (according to EN 60715)
Weight145 g
Protection degreeIP20 (installed device)

Delivery

The delivery includes the device and terminal blocks to connect to the KNX bus.

Functions / Features

Bidirectional protocol conversion between BACnet MS/TP and KNX TP
BACnet server (slave) function for seamless BMS and SCADA integration
Selectable communication speed from 1200 to 115200 baud
Built-in switchable 120 ohm bus termination resistance
BACnet objects mapping with KNX communication objects
4 modular units (72 mm) plastic casing for 35 mm DIN rail (EN 60715)
Standard KNX bus connector and screw terminal connections

Configuration and commissioning

A detailed description of the parameters can be found in the application manual of the device. Configuration and commissioning require the application software CGEKBJ1TP.exe

Documents

Datasheet

STEKBJ1TP_EN• v. 1.5(25/06/2021)• PDF• 917,2 KB

Instructions

FISPBX1TPIEXXX1• v. 1.0(10/01/2025)• PDF• 1,3 MB

Application manual

MCEKBJ1TP_EN• v. 1.5(25/06/2021)• PDF• 1,5 MB

Software

CG-EK-BJ1-TP• v. 1.011(31/08/2022)• ZIP• 2,8 MB

Drawing

DCEKBJ1TPMSTP• DXF• 3 MB