Siemens Simatic PC Panel PC 870 - Manual (Page 17)

Release 11/02 Unpacking and Installing the Panel PC 670/870
SIMATIC Panel PC 670/870 Start-Up Instructions 1–9
Fixation Step 8
Fixation using clamping saddles
Applies to both centralized and decentralized designs:
Skip this working step if screw mounting fixation has been decided upon.
The clamping saddles and threaded pins required for the installation are part of the
material supplied in the delivery content. Proceed as follows:
1. Insert the Panel PC 670/870 or operating unit in the installation cut-out from
the front.
2. From the back, fasten the operating unit in the installation cutout by tightening
the setscrews (torque: 0.4 - 0.5 Nm) of the six clamps (see Figure 2–2).
In the case of a decentralized design, secure the computer as described in
Step 11.
Otherwise, installation is complete. Refer to Chapters 2.1 to 2.3 for information
concerning the position of the interfaces, the operating panel and the operating
system. Then continue with Step 11.
Fixation using screw mountings
Applies to both centralized and decentralized designs:
Skip this working step if clamping saddle fixation has been decided upon.
Proceed as follows:
1. Drill appropriate holes in the installation cut-out in accordance with the
specifications to L4 and L5 in Figure 1–6.
2. Carefully break out the drill hole caps on the front of the operating unit.
Drill hole caps
Figure 1–8 Drill holes with caps