User`s guide

DESCRIPTION
18
Circuit example of the equipment with a router with data length more than 10 m:
At RS422 data cable more then 10m it is need to use overvoltage protection
on the router side!
2.10.5. Connection of the XPORT Connector – MBUS
Panel socket RJ45.
Pin
number
Signal
mark
Description Data flow direction
1 GND Signal and supply ground
2 GND Signal and supply ground
3 TxRx- MBUS B (-) Input/Output
4 TxRx+ MBUS A (+) Input/Output
5 TxRx- MBUS B (-) Input/Output
6 TxRx+ MBUS A (+) Input/Output
7 +12 V EXT External power supply
8 +12 V EXT External power supply
ATTENTION! External supply is for converter MBUS!
If galvanic separation is required the converter must have external power supply.
Circuit example of the equipment with a router with data length less than 10 m: