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| xnorit:public:summary:xnorduino [2024/10/13 15:00] – [Termination brick] timdv91 | xnorit:public:summary:xnorduino [2026/03/08 14:09] (current) – timdv91 |
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| The termination brick power-consumption is extremely low, meaning that our 5V power-rail suffices as it's power source on even longer cable runs. The Bus-master reads an "heartbeat" from this termination brick in a 20 ms interval. The 24V power-rail gets enabled, whenever the termination brick is successfully detected by the master. The master disables the 24V power-rail within 50 ms, whenever the termination-brick gets disconnected. This feature functions fully automatically, without any human intervention. | The termination brick power-consumption is extremely low, meaning that our 5V power-rail suffices as it's power source on even longer cable runs. The Bus-master reads an "heartbeat" from this termination brick in a 20 ms interval. The 24V power-rail gets enabled, whenever the termination brick is successfully detected by the master. The master disables the 24V power-rail within 50 ms, whenever the termination-brick gets disconnected. This feature functions fully automatically, without any human intervention. |
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| This feature was implemented, to prevent accidentally inserting 24V on standardized network equipment. Which could potentially cause damage on certain devices. | This feature was implemented, to prevent accidentally inserting 24V on standardized network equipment. Which could potentially cause damage on certain devices. A red LED starts to blink on the master, whenever the termination module gets disconnected. |
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| Additionally, the termination brick measures temperature and the voltages of both power rails (as can be seen in the right image). A red LED starts to blink on the master, whenever the voltage drop across master and termination modules become to large. | Additionally, the termination brick measures temperature and the voltages of both power rails (as can be seen in the right image). A red LED starts to blink on the master, whenever the voltage drop across master and termination modules become to large. |
