Siemens Plant Central Clock TC100 - Manual (Page 31)

Operation planning
4-  © Siemens AG 2010 All Rights Reserved
SICLOCK ® TC100 Operating Instructions
4.4.2 Permissible mounting position
Only a horizontal mounting position is permitted, that is the display is read from a
horizontal viewing direction. The ventilation is inadequate in all other mounting
positions.
Figure 4-1 Horizontal mounting position
4.4.3 Type of fixation
The housing can be fixated by snap-on mounting to a standard mounting rail or
to a SIMATIC S5 DIN rail.
See Overview of mounting (Chapter 5.1).