ABB ProcessMaster FEM630, Instruction Manual, Page: 8 / 32

8
…Connecting Ethernet to the flowmeter
Wiring with different network topologies
A
– Daisy-chain
B
– Ring
C
– Star
Topology No . Ethernet
cables connected
No . wires in
Ethernet cable
PoE Port Pin Function Cable
Star
1 4 No 1
X1 RD+ yellow
X2 RD- orange
X3 TD+ white
X4 TD- blue
1 8 No
1
X1 RD+ white / orange
X2 RD- orange
X3 TD+ white / green
X4 TD- green
2
X5 Spare 1+ white / blue
X6 Spare 1- blue
X7 Spare 2+ white / brown
X8 Spare 2- brown
1 4 Yes 1
X1
Recommendation:
use cable with 8 wires
X2
X3
X4
1 8 Yes
1
X1 RD+ white / orange
X2 RD- orange
X3 TD+ white / green
X4 TD- green
2
X5 Spare 1+ white / blue
X6 Spare 1- blue
X7 Spare 2+ white / brown
X8 Spare 2- brown
Ring or daisy-chain
2 4 * No
1
X1 RD+ yellow
X2 RD- orange
X3 TD+ white
X4 TD- blue
2
X5 RD+ yellow
X6 RD- orange
X7 TD+ white
X8 TD- blue
* If you use 8-wire cables, 4 wires will not be connected.
A B C
P R O C E S S M A S T E R W A F E R F E M 6 3 0
| COM/FE M 630/E/MB - EN RE V. A