Technical Information Chapter 4
RFU63x
Electrical installation
8014335/YUO7/2016-04-04 © SICK AG · Germany · All rights reserved · Subject to change without notice 45
4.7.2 Connecting up the supply voltage
The RFU630 requires a power supply unit with the following characteristics:
Supply voltage (stabilized safety extra-low voltage (SELV) according to the currently ap-
plicable standard EN 60950-1)
RFU630-13101 (UL-certified):
Use a supply voltage according to SELV (EN 60950-1:2006-04) and LPS (EN 60950-
1:2006-04) or Class 2 (UL 1310).
The power source must be able to provide minimum power of 26 W respectively mini-
mum 1.5 A at DC 18 V.
If the optional CDB650-204 or CDM420-0006 connection module is used:
additional 0.5 W output power when the optional CMC600 parameter cloning module
is also used.
For suitable cable see Chapter 4.4 Pin assignments and lead color assignments of ca-
bles, Page 32.
Protection of supply cable
To ensure protection against short-circuits or overload in the supply cables from the custom-
er's power system, the lead cross sections used have to be selected and protected
according to the national standards.
The supply voltage is fed via the connection module, please see:
Supply voltage
for RFU630
Connection
module
Cable (length) Cross-
section for
supply
voltage
Voltage drop
down on the
cable at
DC 18 V/
I
max.
= 1.35 A
Required minumum
supply voltage on the
connection module
Fuse value for
protection of supply
voltage
DC 18 V...30 V,
P = max. 26 W
CDB650-204 No. 6052286 (2 m)
No. 6051194 (3 m)
No. 6051195 (5 m)
0.14 mm
2
0.14 mm
2
0.14 mm
2
1.0 V
1.5 V
2.3 V
DC 19.0 V
DC 19.5 V
DC 20.3 V
CDB650-204 (2 A)
CDM420-0006 No. 2056184 (0,35 m)
No. 2049764 (0,9 m)
No. 2055419 (2 m)
No. 2055420 (3 m)
No. 2055859 (5 m)
No. 2061480 (2 m)
No. 2061605 (3 m)
No. 2061481 (5 m)
0.10 mm
2
0.10 mm
2
0.10 mm
2
0.10 mm
2
0.10 mm
2
0.14 mm
2
0.14 mm
2
0.14 mm
2
0.2 V
0.5 V
1.0 V
1.5 V
2.5 V
1.0 V
1.5 V
2.3 V
DC 18.2 V
DC 18.5 V
DC 19.0 V
DC 19.5 V
DC 20.5 V
DC 19.0 V
DC 19.5 V
DC 20.3 V
CDM420-0006 (2 A)
Customer-
specific con-
necting
No. 6042772 (3 m)
No. 6042773 (5 m)
No. 6048817 (10 m)
No. 2070425 (3 m)
No. 2070426 (5 m)
No. 2070427 (10 m)
No. 6045141 (5 m)
No. 6048319 (10 m)
0.14 mm
2
0.14 mm
2
0.14 mm
2
0.14 mm
2
0.14 mm
2
0.14 mm
2
0.14 mm
2
0.25 mm
2
1.5 V
2.3 V
4.6 V
1.5 V
2.3 V
4.6 V
2.3 V
2.0 V
DC 19.5 V
DC 20.3 V
DC 22.6 V
DC 19.5 V
DC 20.3 V
DC 22.6 V
DC 20.3 V
DC 20.0 V
2 A at beginning of
the incoming cable
DC 12 V...30 V,
P = max. 26 W
No. 6048319 (10 m)
0.25 mm
2
3.0 V bei DC
12 V/ 1.9 A
DC 15.0 V 2.5 A at beginning of
the incoming cable
Connection module interface Chapter
CDB650-204 Supply voltage
Chapter 4.8.2 Wiring the supply voltage in the CDB650-
204 connection module, Page 51
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