User's Manual

Table Of Contents
DIB-500 R4.1 Setup and commissioning
Connecting equipment racks (as of 5 carriers)
100 Installation, Operation and Service Manual 90DIB500R41IM_FCC02 99.1
Connecting voltage supply cables to the top hat rail power supply unit
The voltage supply cables must be connected to the top hat rail power supply unit
before the power supply unit is installed.
Figure 5.8 shows the terminals of the top hat rail power supply unit to which the power
supply cables must be connected. The following table describes these indicators in
detail.
Figure 5.8 Connectors for the voltage supply cable on the top hat rail power supply unit
Proceed as follows to connect the voltage supply cable to the top hat rail power supply
unit:
Preparation:
The tools, auxiliary means and materials specified must be available, refer to
section 5.2 on page 90.
The voltage source on site must be de-energised.
The toggle switches must be set to the "Off" position ("downward" switch position).
The top cover of the equipment rack must have been removed.
The power supply cable of the top hat rail power supply unit must have been con-
nected to the terminals of the terminal block.
Table 5.9 Legend: Connectors for the voltage supply cable on the top hat rail power supply unit
No. Designation Input/output Wire col-
our
Connection between
1 - (DC) Output: 24 V
DC
white LRU and top hat rail power supply
unit
2 + (1A) brown
3 - Input: 48 V
DC
white top hat rail power supply unit and
voltage supply connector
4 + brown
4
2
3
1