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Operating Range of the Protection Functions
For commissioning tests with the generator, care should be taken that the operating range of the protection
functions as specified in section 4 is not exceeded and that the measuring quantities applied are high enough.
Where tests are performed with reduced pickup values, the pickup value may appear to deviate from the setting
value (e.g. in the unbalance load stage or the earth fault protection) if the protection function is blocked because
the measured values are still too small, i.e. if operating state 1 (= protection function active) is not yet attained.
However, this effect will not interfere with commissioning since no checks of the pickup values are performed
that involve the machine anyway.
Commissioning Tool Using a WEB Browser
The 7UM62 features a web-based commissioning tool, to assist during commissioning, and to perform routine
tests. With this tool all indications and measured values can be easily read out. For testing purposes, vector
diagrams and selected characteristics can be visualized.
If you want to use the „commissioning tool", please refer to the „help files" provided on the subject. You will find
the Web Monitor on the Internet (www.siprotec.de) under download area → Programs.
The IP address required for the browser depends on the port used for connecting the PC. The following IP ad-
dresses are preset:
• Connection to the front operator interface:
– IP address 141.141.255.160 for 7UM62 V4.0 to V4.1
– IP address 192.168.2.1 for 7UM62 V4.6
• Connection to the rear service interface (port C):
– IP address 141,143,255,160 for 7UM62 V4.0 to V4.1
– IP address 192.168.2.1 for 7UM62 V4.6
• Connection to the rear system interface if Ethernet is used (port B):
– IP address 0.0.0.0 (7UM62 V4.6 or better)
The procedure is described in detail in the SIPROTEC 4 System Description /1/ under „Setting Interface Set-
tings for a SIPROTEC 4 Device".
To give you a first idea of the possibilities available, the figures below present a selection of displays.
The following Figure shows the vectors of flowing currents. As the current direction towards the protected object
is defined as positive, the angle of the phase currents is rotated by 180°. The magnitudes are the same, and
the phase rotation is the same as well. This means that the current connection on side 1 and side 2 is OK. A
similar display is available for the voltage and current vectors of side 2.
SIPROTEC, 7UM62, Manual
C53000-G1176-C149-7, Release date 03.2010
Mounting and Commissioning
3.3 Commissioning
417
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