Profibus-DP active I/O modules

November 2002 Fieldbus & Industrial Networking

The Brad Harrison Profibus-DP I/O modules provide direct connection to the Profibus-DP fieldbus, accommodating a variety of three-wire DC PNP sensors and actuators. The modules are designed for industrial use in harsh environments and meet IP68 and NEMA 6P standards.

The modules in the range have I/O configurations for a wide variety of requirements, including 16 output, 16 input, 8 output, 8 in/8 out or 12 in/4 out. Connections to the bus are made via the reverse keyed Micro-Change connector and auxiliary power is connected via a five-pole mini-change connector.

A choice of output power ensures suitability for a wide range of applications. Installation and set up of the modules are simple, with two rotary addressing switches mounted behind IP68 sealed covers. Bi-colour LEDs on the modules perform a network diagnosis function providing indication of power, node operation, bus activity, auxiliary power and I/O status.

The range of active I/O modules is supported by cordsets with straight, right-angled and D-Sub connectors, back panel and front panel mount receptacles, a data drop tee connector, field attachable M12 connectors and auxiliary power media. Auxiliary power supply is available for output loads up to 2 A per port and all inputs and outputs are short- circuit protected.

For more information contact Chris Huxham, Shorrock Automation, 012 345 4449, [email protected], www.shorrock.co.za

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