Vega LUCOM EDGE router ER75i v2 SL USER’S GUIDE Manuel d'utilisateur télécharger pdf (Page 16)

EXPANSION PORT MOUNTING

2.8.6. Connection of the Port1 Connector – M-BUSD

Panel socket RJ45.

number

Signal

mark

Description Data flow direction

1 GND Signal and supply ground

2 GND Signal and supply ground

3 TxRx- M-BUS B (-) Input/Output

4 TxRx+ M-BUS A (+) Input/Output

5 TxRx- M-BUS B (-) Input/Output

6 TxRx+ M-BUS A (+) Input/Output

7 +12 V EXT

External power supply

8 +12 V EXT

External power supply

ATTENTION! External supply is for converter M-BUSD!

If galvanic separation is required the converter must have external power supply.

Circuit example of the equipment with a router with data cable length less than 10 m:

Circuit example of the equipment with a router with data cable length more than 10 m:

With a M-BUS data cable more than 10m it is necessary to use overvoltage protection

on the router side!

LUCOM GmbH * Ansbacher Str. 2a * 90513 Zirndorf * Tel. 09127/59 460-10 * Fax. 09127/59 460-20 * www.lucom.de

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Vega LUCOM EDGE router ER75i v2 SL USER’S GUIDE Manuel d'utilisateur Page 16