User's Manual

Installation, Operation and Service Manual 90DIB500R41IM_FCC02 – 99.1 107
DIB-500 R4.1 Setup and commissioning
Connection to the electrical system
5.6 Connection to the electrical system
The following section describes the procedure for performing the electrical connection
of the product properly.
Defining the reference potential
For the electrical connection of the DIB-500 R4.1, it is necessary to define the reference
potential and connect an earthing cable accordingly, see section 5.6.2 on page 108.
The tasks listed in the following table must be performed for the electrical connection.
5.6.1 Connection with the grounding system
Before you can connect and switch on the voltage supply, the equipment rack must be
connected with the earthing system at the location.
For connection with the grounding system, a grounding connector for the grounding
cable (green-yellow) has been provided below the top cover of the equipment cabinet.
Figure 5.14 shows the position of the grounding connector in the equipment rack.
Figure 5.14 Equipment rack grounding connector
Proceed as follows to connect the equipment rack to the grounding system:
Preparation:
✓ An appropriate grounding system (earth circuit connector, etc.) must already be
installed.
Table 5.12 Overview of the tasks to be performed (Connection to the electrical system)
Tasks/work steps Described in
Connection with the grounding system Section 5.6.1 on page 99
Defining the reference potential Section 5.6.2 on page 108
Connecting the voltage supply Section 5.6.3 on page 110