Hello everyone, I am in need of guidance on selecting the right cable for a 50-foot DeviceNet run in teck. Although the baud rate is uncertain, I anticipate it to be around 125. It is crucial to consider both the length and baud rate when choosing the cable. Any recommendations on what to look for would be greatly appreciated. Additionally, for daisy chaining the devices once the teck is connected to the panels, I assume a shielded cable would be the most suitable option. Thank you for any assistance provided.
Looking for DeviceNet-rated cable? Your local Rockwell supplier should be able to provide it, or you can also check with Belden for options. DeviceNet cables are essential for smooth industrial automation processes.
DeviceNet cables are specifically designed with characteristic impedance, wire gauge, and color codes to ensure compatibility with DeviceNet systems. Leading vendors such as Commscope, Belden, and Rockwell offer cables tailored for this purpose. The DeviceNet media planning guide has been a valuable resource for years. It is crucial to use the correct cables and follow installation guidelines, including properly installing terminating resistors, to optimize system performance. Avoid using generic cables like 16 gauge teck cable, as it may not deliver the intended results. For more information, refer to the DeviceNet media planning guide available at https://literature.rockwellautomation.com/idc/groups/literature/documents/um/dnet-um072_-en-p.pdf.
For valuable assistance, refer to this resource provided by ODVA. Access the ODVA Cable Guide for important information at https://www.odva.org/wp-content/uploads/2023/05/PUB00027R1_Cable_Guide.pdf.
Hello there! A 50-foot run should operate perfectly under a baud rate of 125. The critical caveat here is that the total cable length and number of nodes can restrict the maximum baud rate. It seems you've kept this in mind already! Regarding your daisy-chaining question, ideally, you'd want to select a cable type that combines superior EMI shielding with flexibility for this setup; something like Belden 3084A cable would work pretty well. It's always recommended that a Belden-certified installer does the termination to keep the warranty intact. Make sure to observe color coding for DeviceNet as specified by ODVA: Blue for CAN-H, White for CAN-L, Drain wire shield to the coupling device, and Red for V+. Also, stay within the cable impedance value between 100 and 120 Ohms to avoid reflection issues. Happy wiring!
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Answer: When choosing a cable for a DeviceNet run, it is important to consider factors such as the length of the run and the anticipated baud rate, which in this case is around 125.
Answer: It is crucial to consider both the length of the run and the baud rate when choosing a cable for a DeviceNet installation.
Answer: Yes, using a shielded cable is generally recommended for daisy chaining devices in a DeviceNet setup to help minimize interference and ensure reliable communication.
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