890564_c•en•01.08.2013
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36
Wisotronic 2/3/4-channel
Installation instructions
6.2 Terminals
The Wisotronic is equipped with standardised screw terminals designed for
quick and secure connections.
The bus connections are established using spring terminals.
6.2.1 Power unit
screw terminals
Screw terminals
Permissible line cross section
0.2 to 2.5 mm
2
single-wire
0.2 to 2.5 mm
2
fine wire
Stripping length
6.5 mm
When using single-wire conductors with 1.5 mm
2
, two conductors may be inserted
per terminal.
To simplify the connection work, the terminal covers can be loosened on the
REG power unit:
To remove the terminal cover:
insert a suitable screw driver
into the opening!
Fig. 16
Releasing the terminal covers in DIN rail-mounted devices
The terminal covers must be installed again after the wiring work has been
completed.
6.2.2 Spring terminals
The bus lines are connected to plug-in spring terminals.
Spring terminals
Permissible conductor diameter
0.6 to 0.8 mm ∅
Stripping length
5 to 6 mm
First detach the terminals from the control panel and power unit.
After the wire is stripped (1), it is pressed into the terminal (2) until the
insulation on the wire enters the terminal and the line is securely held in the
terminal. (To release the connection, the wires are twisted to the left and right
while pulling them forcefully out of the terminal (3).
2
3
5-6 mm
1
Fig. 17
Connecting and disconnecting the line connection
Connection
