Expansion port mounting – VEGA LUCOM EDGE router ER75i v2 SL USER’S GUIDE User Manual
Page 14
EXPANSION PORT MOUNTING
14
2.8.4.
Connection of the Port1 Connector – RS485
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-
RS485 B (-)
Input/Output
4
TxRx+
RS485 A (+)
Input/Output
5
TxRx-
RS485 B (-)
Input/Output
6
TxRx+
RS485 A (+)
Input/Output
7
+12 V EXT External power supply
8
+12 V EXT External power supply
ATTENTION! Power supply is selected on the expansion port RS485 by help
of a jumper, 2.11. If galvanic separation is required the converter must have an 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 RS485 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