Ethernet gateway

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Turck's BL67 line of modular I/O is now available with ethernet gateways, augmenting the current available gateways DeviceNet Profibus-DP and CANopen. The BL67 ethernet gateways interface with Modbus TCP and ethernet/IP.

The ethernet protocol (TCP and IP) is used to exchange time-critical application information between industrial devices such as sensors and actuators, or complex devices like robots and programmable logic controllers. BL67 gateways are designed to interface modular fieldbus nodes to the higher level ethernet fieldbus. BL67's ethernet gateways coordinate the entire I/O data exchange and generate detailed diagnostic information for the control platform.

Ethernet networks use an active star topology in which groups of devices are connected to a switch. Products with 10 and 100 Mbps transmission speeds can be used in the same network and most ethernet switches will negotiate the speed automatically.

The BL67 systems consist of a gateway, base modules and electronic modules. I/O modules are configured independent of the fieldbus protocol and up to 32 electronic modules and 256 digital or 64 analog I/O modules may be connected to a system.

An M12, D-coded connector is used for fieldbus connection. All base modules are available with quick-disconnect M8, M12 and 7/8-16UN connectors to eliminate wiring errors and reduce wiring time and expense. BL67 is IP 67 rated and DIN rail or flange mountable without the need for a protective enclosure.

All BL67 systems include I/O assistant software to configure engineering, parameter set-up, documentation, commissioning and diagnostic functions for on/offline usage.