User manual

5 Detailed descriptions of the eldbus coupler | PROFINET eldbus coupler UR20-FBC-PN-IRT
45Manual u-remote1432790000/08/12.2015
PWR
SF
BF
MT
LINK1
ACT1
LINK2
ACT2
Service
X3
PN-IRT
Coupler power supply LED
green: supply voltage > 18V
red: at least one current path < 18V
3.1 Green: Input current path supply voltage >18VDC
3.2 Red: Input current path supply voltage <18VDC
3.4 Red: Internal fuse defective
4.1 Green: Output current path supply voltage >18VDC
4.2 Red: Output current path supply voltage <18VDC
4.4 Red: Internal fuse defective
LED indicators UR20-FBC-PN-IRT, error messages seeChapter13
TD+ 1
TD– 2
RD+ 3
RD– 6
TD+ 1
TD– 2
RD+ 3
RD– 6
X1
X2
24VDC OUT
24VDC OUT
GND OUT
GND OUT
24VDC IN
24VDC IN
GND IN
GND IN
PN-IRT
Connection diagram UR20-FBC-PN-IRT
ATTENTION
Risk of material damage!
In the case of a maximum power supply of >8 A and a
maximum temperature of > +55 °C, all four contacts must
be connected with 1.5mm² wiring!