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- [唯讀型記憶體-列表](https://docs.lorric.com/qr/fu-es-ultrasonic-flowmeter-manual-chinese-v1/communication/modbus-rtu-protocol/wei-du-xing-ji-yi-ti/read-only-memory-read-instruction-04-and-memory-lists.md)
- [唯讀型記憶體-讀取指令(04)](https://docs.lorric.com/qr/fu-es-ultrasonic-flowmeter-manual-chinese-v1/communication/modbus-rtu-protocol/wei-du-xing-ji-yi-ti/read-only-memory-read-instruction-04-and-memory-lists-1.md)
- [唯讀型記憶體](https://docs.lorric.com/qr/fu-es-ultrasonic-flowmeter-manual-chinese-v1/communication/modbus-rtu-protocol/wei-du-xing-ji-yi-ti.md)
- [讀寫型記憶體](https://docs.lorric.com/qr/fu-es-ultrasonic-flowmeter-manual-chinese-v1/communication/modbus-rtu-protocol/du-xie-xing-ji-yi-ti.md)
- [Modbus RTU Protocol](https://docs.lorric.com/qr/fu-es-ultrasonic-flowmeter-manual-chinese-v1/communication/modbus-rtu-protocol.md)

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