Method Of Attachment; Degree Of Protection; Recessed Mounting Cut-Out; Selecting And Completing Recessed Mounting Cut-Out - Siemens 670 V2 Operating Instructions Manual

4.5.3

Method of attachment

The control unit is secured in the recessed mounting cut-out either with clamps or screws.
Notice
Securing with screws is not possible with the 12.1" touch screen variant. For more
information, please refer to the chapter "Description."
Select the method of attachment suitable to your requirements for the degree of protection.
4.5.4

Degree of protection

Principle
Applies to the central and decentralized designs: The degree of protection depends on the
method of attachment.
Protection Class IP65
This degree of protection is provided when the control unit is attached with clamps and the
presence of an encircling seal.
IP54 degree of protection
This degree of protection is provided when the control unit is attached with screws.
4.6

Recessed mounting cut-out

4.6.1

Selecting and completing recessed mounting cut-out

Area of validity
No recessed mounting cut-out is necessary for the computer unit in the decentralized design.
The following applies to the complete device in the central design and the control unit in the
decentralized design.
Requirement
The degree of protection suitable to the field of application and thereby the method of
attachment have been selected.
Panel PC 670 V2/870 V2, Control unit
Operating Instructions, Edition 03/2004, CD Documentation and Drivers
Usage planning
4.6 Recessed mounting cut-out
4-7