How The Spring Terminal Works - Siemens SIMATIC ET 200L Manual

Terminal Block
To wire the terminal block (spring terminal), proceed as follows:
with Spring Termi-
1. Strip the insulation of the wires down to 11 mm.
nal
Remember to:
S
S
Figure 3-2
4. Release the spring terminal of the first connection using a screwdriver
5. Push the first wire into the released spring terminal and withdraw the
6. Repeat steps 1 to 3 for all other wires.
Warning
!
There is a risk of injury and damage to property.
Connecting different phases of a three-phase system to a terminal block can
cause injury and damage to property.
Connect only one phase to each terminal block.
ET 200L Distributed I/O Device
EWA-4NEB 780600902-05
Insert the screwdriver in the lower opening.
Insert the cable in the upper opening until the stop.

How the Spring Terminal Works

(0.5 x 3.5 mm DIN 5264). Begin at the bottom left of the terminal block.
screwdriver.
1. Insert the screwdriver
2. Insert the cable into the spring
terminal until the stop
3. Remove the screwdriver. The
cable is clamped to the contact
Wiring
3-9