ABB X Series G5 Startup Manual page 35

IMPORTANT NOTE: Typically only BUS+, BUS- and GND may be
required to communicate with a third party RS-485 device. The figure
above illustrates all lines associated with COMM 1 or COMM2 RS-485
module.
Figure 4-4: XFC R-485 COMM2
Table 4-3: XFC RS-485 COMM1 and COMM 2
PIN RS-485 COMM 1
1 GND
2 VBATT
3 Sw VBATT
4 BUS(+)
5 BUS(+)
6 BUS(-)
7 BUS(-)
8 RRTS
9
10
11
12
13
14
15
16 OPERATE
*Blank cells carry no signal.
2 1 0 60 01M NAA | XSER IE S G5 S TART UP G UI DE | 3 3
RS-485 COMM 2
GND
VBATT
Sw VBATT
BUS(+)
BUS(-)
RRTS
OPERATE