# Read-Only Memory (ROM)

- [Read-Only Memory (ROM) – List](/qr/fu-lt-english-v1/communication/modbus-rtu-protocol/read-only-memory-rom/read-only-memory-rom-list.md)
- [Read-Only Memory – Read Command (04)](/qr/fu-lt-english-v1/communication/modbus-rtu-protocol/read-only-memory-rom/read-only-memory-read-command-04.md)