Siemens PC 870 manual L5 ±, A1 ±1 L3 ±, L2 +1, L1 +1 A2 ±1

Mounting

L5 ± 0.2

*)

112 ± 0.5

Drill hole for screw fixings

M6/ 7

A1 ±1

*)

L3 ± 1	L3 ± 1	112 ± 0.5
		Pressure points
		for clamps
L2 +1		112 ±0.5 56 ±1

L1 +1

A2 ±1

Clamp with grub screws

Rz 120 (in gasket area)

Gasket area		L4 ± 0.2
Operating units	L1	L2	L3	L4	L5	A1	A2
(a) with key-based front panels:
12.1º TFT	450	290	78	465	235	16	10
15.1º TFT (8 modules)	450	321	51	465	279	16	17
(b) with touchscreen front panel:
15.1º TFT	450	290	81	465	235	16	10

min. 1.5 ± max. 6

*) cut-outs only for 15º TFT (keyboard version),

(for dimensions, see Fig. 3-2)

Fig. 3-4 Dimensions for installation of the operating unit of Panel PC 870

Installation with	The clamps and grub screws required for installation are supplied with
clamp fixing	the device. Proceed as follows:
	1.	Insert the complete operating unit and computing unit into the moun-
		ting cut-out prepared as described in Section 3.1, working from the
		front.
	2.	From the rear, fix the operating unit in position in the mounting cut-
		out using the six clamps (see Figure 3-3) by tightening the grub
		screws (torque 0.4 - 0.5 Nm).
	3.	Hook the computing unit into the two hinges (see Figure 3-5).
	4.	Make the electrical connections.
	5.	Swing the computing unit to the operating unit and fix in position by
		tightening the four knurled screws.

SIMATIC Panel PC 670 / 870 Operating Unit, Equipment Manual	3-5
Edition 07/01