User's Manual

DIB-500 R4.1 Component replacement
Replacing components of the VAC and alarm system expansion – optional
192 Installation, Operation and Service Manual 90DIB500R41IM_FCC02 – 99.1
2. Secure the top hat rail power supply unit with one hand and pull the locking device
away from the component using a size 0.8 x 4 flat-bladed screwdriver, refer to Fig-
ure 11.12.
Figure 11.12 Locking device of top hat rail power supply unit
3. Pull the component slightly forward and then upwards off the top hat rail.
✓ You have successfully removed the top hat rail power supply unit.
11.7.2 Installing the top hat rail power supply unit
The procedure corresponds to the description in section 5.5.1.4 on page 103.
11.8 Replacing components of the V
AC
and alarm system
expansion – optional
The standard design of the DIB-500 R4.1 with V
DC
voltage supply can be expanded by
a V
AC
voltage supply unit or by an alarm system expansion. Depending on the design,
additional hardware components are available that can also be replaced.
Table 11.22 provides an overview of the components for the voltage supply and alarm
system of the individual versions of the DIB-500 R4.1.
Table 11.22 Components for voltage supply and alarm system
Version Terminal block SC200 Alarm input/
output module
Rectifier mod-
ule
V
DC
voltage supply
(standard)
x --- --- ---
Alarm system
expansion
x x x ---
V
AC
expansion x x x x