Siemens SIMATIC S5 ET 200U - Removing Bus Units from a Standard Mounting Rail

3-8
ET 200U Distributed I/O Station
EWA 4NEB 812 6087–02b
Remove bus units:
2. Disconnect the ribbon cable of each bus unit from its neighboring bus unit
or from the ET 200U interface module (see 1 in Figure 3-5).
3. Using a screwdriver, press down on the bottom of the slide on each unit
(2), (3).
4. Swing the bus unit or the ET 200U interface module up and off of the
standard mounting rail (4).
Figure 3-5 Removing Bus Units from a Standard Mounting Rail
Mechanical and Electrical Configuration