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2.5.3
Configuration
Before carrying out any configuration changes or expansions, you must isolate the
RWA-Emergency Power Control System from the mains power and remove the bat-
tery fuse. Configure the RWA-Emergency Power Control System in accordance with
Section 2.4, Connection options and configurations:
1. Install the required daughter card.
2. Set and check the jumpers.
3. Enter the configuration in the configuration table in the Appendix.
2.5.4
Electrical connection
Connection diagrams
You will find the connection diagrams in the packaging of the RWA-Emergency Power
Control System.
Cable lengths/cross-sections
Please comply with the requirements for the cross-section of the cables to the drives:
•
The formula for the required cable cross-section based on the cable length and
the total current (of all drives):
Required cable cross-section = cable length x total current / 73
•
Minimum cross-section: 1.5 mm
2
•
Maximum cross-section (limited by the diameter of the wiring terminals):
maximum 4.0 mm
2
Table showing the maximum permissible line lengths in relation to total current and
cable cross-section::
DANGER
Risk of death through electrical shock!
Damage to sensitive components!
➮
Disconnect the mains supply for the RWA-Emergency Power Control System
and take precautions that it is not reconnected while you are working.
➮
Remove the battery fuse.
1 A
2 A
4 A
6 A
1.5 mm
2
100 m
50 m
25 m
16 m
2.5 mm
2
180 m
90 m
45 m
30 m
4.0 mm
2
280 m
140 m
70 m
45 m
5.0 mm
2
360 m
180 m
90 m
60 m
