Connection On The Device - ABB EBN861 Operating Instruction

30 EBN853 / EBN861 ELECTRONIC UNIT | OI/EBN853/EBN861/EX-EN REV. C
... 7 Electrical connections
... Electrical data for inputs and outputs

Connection on the device

Power supply
Observe the following points when connecting the power supply:
• You must be able to activate the power supply of the
electronic unit on-site.
• In the power supply, the supplied fuses must be installed
for certain electronic units (see External fuses for
EBN861 on page 30).
• Connect the power supply to the corresponding terminals
of the electronic unit (see electrical connections starting
on page 21).
External fuses for EBN861
1 External safety fuse 35 A
2 External safety fuse 16 A
3 Electronic unit
Figure 15: External fuses
Note
The conductor cross-section between the fuses and the
electronic unit must be at least 2.5 mm
In addition to the internal fuses, the EBN861 electronic unit
requires two additional external fuses which are supplied
separately with the assembly.
The fuses are switched externally in the power supply.
The fuses guarantee safe operation under the special starting
conditions of the electronic unit.
2
(AWG 14).
Connection of cable shielding
1 Cable clip
2 Cable sheath
Figure 16: Cable shielding
1. Remove the cover for the terminal compartment.
2. Cut the cable sheath to the required length.
3. Separate the cable shield and pull it back over the outer
sheath
4. Push the cable through the cable gland and fasten it with the
clamp.
5. Make sure that the cable shield is in contact with the clip and
the housing.
6. Connect the cable (see electrical connections starting on
page 21).
7. Check the cable connections for tight fit and fasten the cable
gland.
8. Screw the cover of the connection chamber back on tight.
Note
When installing the cover for the connection area, take care not
to damage the sealing ring. If the sealing ring is damaged,
contact the manufacturer.
3 Shielding
4 Housing