Lufft MARWIS, User Manual, Page: 29 / 59

Operating Manual V 3.3 / 9 Dec 2019 MARWIS-UMB
9 Connections
The MARWIS-UMB housing is equipped with an 8-pole screw plug socket which serves for con-
necting the supply voltage and the RS485 interface. The connection cable has to be ordered
seperately in the desired length (5 or 15 meters / 49 ¼ ft or 16 ⅜ ft).
9.1 Connection plug
9.2 Pin assignment
1 pink CAN-HIGH
2 yellow RS485_B
3 red
4 grey CAN-LOW
5 green RS485_A
6 blue
7 white negative supply voltage
8 brown positive supply voltage
Note: The shielding of the MARWIS-UMB connection cable has to be connected to the chassis
of the vehicle.
Note: The MARWIS-UMB has to be protected with a 5 A fuse
Chapter 9, Connections 29
Ill. 25: Connection plug
Ill. 24: 8-pole socket
Ill 26: View on solder connection of the
cable socket