3NW150.60 B & R Automation
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The B & R Automation 3NW150.60 is a controller in the System 2005 Controllers series, supporting PROFIBUS fieldbus and RS485 interface types. It offers token passing and master/slave access methods, and supports baud rates up to 500 kBit/s with a maximum station count of 127 when using a repeater. The controller consumes up to 7 W of power and uses a 9-pin D-type connector, with direct bus coupling and DIN 19245 Parts 1 and 2 compliance.
Internal Product Review
The 3NW150.60 is a System 2005 controller module for PROFIBUS communication with an RS485 interface. Direct bus coupling and token passing plus master/slave access support efficient integration in established fieldbus architectures. Diagnosis LEDs and support for up to 127 stations with repeater make the module an excellent choice for dependable network communication.
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Product Description:
The 3NW150.60 module is manufactured by B&R Automation and belongs to the System 2005 Controllers series. It occupies a single slot in the main rack and serves as the PROFIBUS interface that links the controller CPU to external field devices. Within an industrial automation cell, this module handles cyclic data exchange so that drives, valves, and distributed I/O terminals can be supervised in real time from the central processor. This arrangement lets the controller exchange process values and command words with remote equipment while keeping field communication concentrated in one dedicated module.
The communication layer follows the token-passing and master/slave access method, allowing scheduled bus arbitration between masters and deterministic response from slaves. User-selectable baud rates of 9.6/19.2/93.75/187.5/500 kBit/s are set with a two-position switch that also sets the station address. Electrical signaling conforms to RS-485, and the network cable enters through a 9-pin D-type female connector located on the front panel. Direct bus coupling eliminates intermediary repeaters inside the rack, while galvanic isolation separates the field side from backplane electronics to minimize ground loops. Power drawn from the internal supply does not exceed 7 W, keeping thermal load low for densely populated racks. Compliance with DIN 19245 Parts 1 and 2 supports interoperability with other PROFIBUS devices, and diagnostic LEDs report bus status, module activity, and fault conditions at a glance.
The physical bus topology supports up to 127 stations when external repeaters are used, giving ample node capacity for large production lines. As a dedicated PROFIBUS DP interface, the unit recognizes telegrams that follow the standard frame structure and forwards process data over shielded twisted-pair cabling to maintain signal integrity in electrically noisy environments. Isolation between logic and field wiring remains active during hot-swap operations, and the single-width housing leaves adjacent slots free for additional System 2005 function modules without exceeding enclosure dimensions.
