Siemens PC 870 - Manual (Page 32)

Mounting
3-6
SIMATIC Panel PC 670 / 870 Operating Unit, Equipment Manual
Edition 07/01
Operating
unit
Computing unit
Knurled screw
Knurled screw
Hinge
Hinge
Fig. 3-5 Joining the operating and computing units
Proceed as follows (Figure 3-6):
Drill hole covers
Fig. 3-6 Installation with screw fixing
1. Drill suitable holes around the prepared mounting cut-out (see
Section 3.1) as specified for L4 and L5 in Figure 3-3.
2. Carefully knock out the drill hole covers on the front side of the ope-
rating unit.
3. Fix the operating unit at the drill holes using suitable screws and
nuts.
4. Continue as from step 3 for clamp fixing.
Installation with
screw fixing