Design And Function; Design; Ebn853; Ebn861 - ABB EBN861 Operating Instruction

EBN853 / EBN861 ELECTRONIC UNIT | OI/EBN853/EBN861/EX-EN REV. C

3 Design and function

Design

The electronic units EBN853 and EBN861 consist of two housing
halves, one holding the connection components and the
transformer, the other holding the electronics and the
commissioning and service field (ISF) for 'local operation' of the
actuator.

EBN853

1 Connection housing
2 Electronic unit cover
3 Cover for commissioning and
service field
4 Cover for terminal
compartment
5 Cable gland
6 Tap holes for cable glands
Figure 2: Presentation terminal compartment
7 Analog input fuse
8 Terminals (signals)
9 Anti-dewing heater fuse
0 Terminals (motor cable)
k Power supply fuse
l Terminals (power supply)

EBN861

1 Electronic unit cover
2 Lifting eye
3 Commissioning and service field
4 Cover screws
5 Cover hinges
6 Tap holes for cable glands
Figure 3: Presentation without cover for terminal compartment
The electronic unit is made up of two housing halves (electronic
cover / electronic unit lower part) which can be separated for
easier assembly.
7 Ground terminal
8 Terminals (power supply)
9 Terminals (motor cable)
0 Binary output fuses
k Terminals (signals)
l Lower part of electronic unit
9