Breaker Requirements - Siemens Sm@rt DAS User Manual

Chapter 2
Sm@rt DAS System

Breaker Requirements

The Sm@rt DAS system requires certain features in both the
WL and VL breakers. This section highlights the requirements
for breakers as well as the features for each breaker with
Sm@rt DAS.
Figure 2.5: WL Breakers
WL
Features
 ETU 776 required
 COM16
Normal settings
 Parameter A on breaker
 Default settings are minimum
 Adjust on breaker to change
DAS (maintenance mode) settings
 Parameter B on breaker
 Default settings are minimum
 Adjust on breaker to change
Figure 2.6: VL Breakers
VL
Features
 ETU 586
 COM21
Normal settings
 Parameters on breaker
 Default settings are minimum
 Adjust on breaker to change
DAS (maintenance mode) settings
 Stored in controller
 Default settings are minimum
 Adjustable settings are:
- Short time delay (A)
- Short time delay (ms)
- Instantaneous (A)
 To adjust settings, see Chapter 4
7