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EOL Termination on the SA Bus

On an SA bus, the minimum requirement is that EOL termination must be enabled on at least one device. Since an

SA bus supervisor always has EOL termination enabled, this requirement is always met; however, for enhanced

bus performance, we recommend that you enable EOL termination on the devices at each end of the SA bus. See

Figure 11 for SA bus EOL termination scenarios.

Figure 11: SA Bus EOL Termination Scenarios

Note: The MS-BACEOL-0 RS485 End-of-Line Terminator module is not designed for EOL termination on the SA

bus.

29MS/TP Communications Bus Technical Bulletin

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CGP Electronics TP-42 Especificaciones Pagina 29