DeviceNet Cable

Belden DeviceNet cables allow you to configure real-time networks and eliminate costly installation expenses. Designed and manufactured for compliance with ODVA specifications, Belden DeviceNet cables are approved for use within existing cable trays.

What’s in This Chapter This chapter introduces the DeviceNet cable system and provides a brief overview of how to set up a DeviceNet network efficiently. The steps in this chapter describe the basic tasks involved in setting up a network. for information on this topic see page Before You Begin 1-2 Set Up a DeviceNet Network 1-4 Understand the ...

To keep this simple, think of the DeviceNet bus system as an expressway going around a city. The expressway is the Trunk Line. The Trunk Line is a MIN-5MFP cable that has a special DeviceNet (Thick) cable. The Exits are T connectors (a connector in the shape of a T that has 2 female connectors and one male). The Exits lead to side streets that are the Drops.

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DeviceNet supports 125 kbit/s, 250 kbit/s and 500 kbit/s data rates. Depending on the chosen cable type, DeviceNet can support communication up to 500 meters (using round, large diameter cable). Typical round cable supports up to 100 meters, while flat-style cable supports up to 380 meters at 125 kbit/s and 75 meters at 500 kbit/s.

The disadvantages of DeviceNet are limited bandwidth, limited message size, and maximum cable length. It is stated over and over in many documents that 90 percent to 95 percent of all DeviceNet problems are one of two things; 1. Cabling issue. 2. You don’t have the correct EDS file registered in RSNetworx for DeviceNet.

deviceNet - Planning and Installation Manual Author: Phoenix Contact GmbH & Co. KG Subject: deviceNet - Planning and Installation Manual Created Date: 11/21/2011 12:37:37 PM ...

More importantly, the cable can include a sixth wire which allows for backward compatibility with SeaTalk 1 equipment. Products with SeaTalk ng connectors can be used on NMEA 2000 networks that use Devicenet cabling through simple connector adaptors and conversely equipment with Devicenet connectors can be used on NMEA 2000 networks that use SeaTalk ng cabling through simple connector adaptors.

Wiring and Connector Pin Definitions There are five conductors in DeviceNet™ cables. There are three connector types commonly used on DeviceNet systems: 7/8 16 minifast ® (mini), M12 eurofast ® (micro), and screw terminal (open). Table I shows the connector pin definitions and Table II shows the connector styles. Name Wire Color Description

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