Lumasense-technologies M390 Manual de usuario descargar pdf (Pagina 16)

M390 Manual Operation  16

4.5.1 RS485 Option

RS485 two wire is available as an option. The connection scheme is shown below:

RS485 for multi-drop applications

Each M390 address must be set to a different value.

To change the address of an M390 (if RS485/RS422 was ordered):

1. Press and hold PAGE button. ACCESS and Level 1 appear in lower display.

2. Press UP button until LEVEL 3 appears in lower display.

3. Press UP button until 3 appears and wait.

4. Press PAGE until COMMS H appears.

5. Press UP until COMMS J appears. (J COMMS is the RS-485 output)

6. Press SCROLL until ADDRESS appears.

7. Press UP or DOWN to set new address and wait.

8. Press PAGE until ACCESS appears.

9. Press DOWN until LEVEL 1 appears and wait.

Note: A CD containing a sample program is included with your order. For more details

on communications, refer to the electronic communication manual also found on the

CD provided.

M390 Unit 1

(Address 1)

M390 Unit 2

(Address 2)

1 2 ... 11 12 13 14 15 16 17 18 19 20 21 ... 34 35

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Lumasense-technologies M390 Manual de usuario Pagina 16