Instruction manual

5. Adding and Replacing Optional Modules
162
Figure 5-24 Installing a control and switching unit (1)
(1) Control and switching unit
(2) Control and switching unit slot
Step 2
While holding the levers, push the unit carefully until the levers touch the Switch.
The levers must be opened parallel to the direction of insertion.
Figure 5-25 Installing a control and switching unit (2)
(1) Contact point
(2) Lever
CAUTION
While holding the levers, push the control and switching unit carefully
until the levers touch the Switch.
Failure to do this could result in a Switch malfunction or fault.
CAUTION
When you install a control and switching unit, open the levers as
shown in the figure. If the levers are closed or opened too much, they
might be damaged when you install the unit.