Installing A Mount Base And Mounting A Module On It - Hitachi HSC-2100 Hardware Manual

3 INSTALLATION AND MODULE MOUNTING

3.6 Installing a Mount Base and Mounting a Module on It

Installing a mount base
Mount base fixing holes
Fixing hole with an insulating
Mounting a module
Module-fixing screw
R3.5
R7.0
Insulating bushing
bushing installed
Module-fixing screw
When installing a CPU unit or I/O unit in the cubicle,
be sure to mount them vertically, as shown in figure
(a) below. If they are mounted horizontally as
shown in figure (b), the air flow inside the module
will be restricted, resulting in temperature rise in it
and eventually short service life for it.
(a) Vertical mounting
Fixing hole with no insulating
bushing installed
Installing a terminal block
3-10
(b) Horizontal mounting
R5.0
R7.5
Terminal block
fixing screw
Terminal block
fixing screw