7SR11 & 7SR12 Description Of Operation
©2012 Siemens Protection Devices Limited Chapter 1 Page 18 of 76
2.5 Operator Interface/ Fascia
The operator interface is designed to provide a user-friendly method of controlling, entering settings and retrieving
data from the relay.
Figure 1-16 Relay with Transparent cover removed
The fascia is an integral part of the relay. Handles are located at each side of the relay which allow it to be
withdrawn from the relay case. The relay should not be carried by these handles.
Relay Information
Above the LCD two labels are provided, these provide the following information:
1) Product Information & Rating Label, containing
Product name
MLFB ordering code, with hardware version suffix.
Nominal current rating
Rated frequency
Voltage rating
Auxiliary supply rating
Binary input supply rating
Serial number
2) Blank label for user defined information.
Figure 1-17 Close up of Relay Label
A ‘template’ is available in Reydisp Software to allow users to create and print customised labels.
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