BL20 I/O System
Hans Turck GmbH & Co. KG | T +49 208 4952-0 | F +49 208 4952-264 | more@turck.com | www.turck.com
20
4.1 BL20 components
4.1.1 Gateways
The gateway connects the fieldbus to the I/O modules. It is responsible for handling the entire
process data and generates diagnostic information for the higher-level master and the BL20 DTM.
ECO Gateways
The BL20-ECO gateways enlarge the product portfolio of BL20. They offer an excellent cost/
performance ratio.
Further advantages of the gateways in the ECO housing:
At the moment available for PROFIBUS-DP, DeviceNet, CANopen, Modbus TCP, Modbus RTU/
ASCII, EtherNet/IP, EtherCAT and PROFINET
Low required space: width 34 mm/ 1.34 inch minimal space requirements
Can be combined with all existing standard modules (with tension clamp connection
technology) and ECO modules
Simple wiring with ”Push-in” tension clamp terminals, via DeviceNet-Open Style Connector or via
Ethernet RJ45-connectors
Automatic bit rate detection for PROFIBUS-DP and DeviceNet
Setting of fieldbus address and bus terminating resistor (PROFIBUS-DP, DeviceNet, CANopen) via
DIP-switches
Service interface for commissioning with DTM (without PLC).
Fig. 1: Gateway BL20-E-GW-EN
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