Lumasense-technologies M305 Manual do Utilizador descarregar pdf (Página 14)

M305 Manual Installation and Operation  14

RS485 Option

RS-485 Two wire is available as an option. The connection scheme is shown below:

RS-485 for multi-drop applications

Each M305 address must be set to a different value.

To alter the address:

1. Press and hold PAGE button. The word ACCESS will appear in lower display.

2. Press SCROLL button. LEVEL 1 will appear.

3. Press UP button until LEVEL 3 appears.

4. Enter PASSCODE by pressing the UP button until 3 appears and wait until PASS appears.

5. Press PAGE button repeatedly until COMMS H module appears.

6. Press UP button until J module appears.

7. Press SCROLL button twice until ADDRESS appears.

8. Press UP/DOWN buttons to change address.

9. Press PAGE button until ACCESS appears.

10. Press SCROLL button. Display will show LEVEL 3.

11. Press DOWN button until LEVEL 1 appears.

12. Press the center, round button on top row to go back to the normal display mode.

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Lumasense-technologies M305 Manual do Utilizador Página 14