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1746-C9 | Image

1746-C9 | Image

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The Allen-Bradley 1746-C9 is a Rack Interconnect Cable that connects SLC 500 Racks. The SLC 500 family uses a wide range of features and options to offer flexibility and efficiency. The system can be configured with one to three chassis locally for more power and flexibility. The 1746-C9 can be used to connect the 1746-A4, 1746-A7, 1746-A10, or the 1746-A13 chassis as needed. The 1746-C9 is 36 inches (914.4 mm) long and extends the backplane between modules. The Rack Interface Cable is also available in a range of lengths. Other sizes include model number 1746-C7 which is 6 inches (152.44 mm) long and model number 1746-C16 which is 50 inches (1270.0 mm) long.


The 1746-C9 is keyed on each end to ensure proper installation. One end is keyed on the outside while the other is keyed on the inside to prevent interfacing the chassis incorrectly, making the setup and configuration more simple. To remove a cable, move the socket tabs outward and the cable will come out.  In multiple rack installations, the 1746-C9 should be installed before the power supply is installed. It should be properly secured to minimize the effects of vibrations. When connecting two 1746-A13 racks with 1746-P4 power supplies, the 1746-C9 should be used.


It is important that you not use any other cables than those provided. Longer cables could affect the functioning and communication of the processors, and potentially cause unsafe operation. 


36-Inch Rack Interconnect Cable
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