| Description
The Ekinex® Modbus RS485 - KNX Gateway performs a protocol conversion between a serial RS485 Modbus RTU and a KNX TP network. The device works as Modbus master. 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.
| Features
- Connection to the bus line with KNX terminal block
- Plastic casing
- Installation on 35 mm rail (according to EN 60715)
- 4 modular units (1 MU = 18 mm)
- IP20 protection degree (installed device)
| Specifications
- Power supply: 8...24 Vac or 12...35 Vdc
- Absorption at 24 Vdc: 3,5 VA
Communication
- KNX side
- KNX TP (Twisted Pair) communication port electrically isolated from power supply
- 1440-byte volatile support “KNX image” memory buffer
Modbus RS485 side
- RS485 serial communication port, electrically isolated from power supply,
- 120 ohm termination resistance pluggable by a 1-way microswitch
- Modbus master RTU (Remote Terminal Unit) communication
- Selectable baud rate from 1200 to 115200 baud
- Device addressing from 0 to 250
- Coil, Input, Holding Register e Input Register data exchange
- Single and multiple register reading/writing
- 1440-byte volatile support “Modbus image” memory buffer
Configuration
Ethernet communication port (IEEE 802.3), RJ45 connector, minimum cable category: 5E
Delivery
The delivery includes the device and terminal blocks to connect to the KNX bus.
Other Information
Modbus® is an open source, standard communication protocol suitable for master / slave data exchange between smart devices in various applications, such as industrial production, infrastructure, transportation and energy management.
