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18000070-IEC19000209-1-en.vsdx
IEC19000209 V1 EN-US
Figure 68: LHMI Test Trip Logon Window
In case of an unsuccessful user authentication, the logon window can be re-
opened by pressing the Login key.
After a successful login the Toggle Test Trip menu item is available, and can be executed by
pressing the Enter key.
The current state of the signal 21120_EXT_TEST_TRIP is shown in the Test Trip menu. The
initial is OFF under the condition that the LHMI Test Trip is not combined with the external
Test Trip (11115_Ext_Test_TRIP). In combination with the external Test Trip input, it might be
in the
ON state (if the state of input signal 11115_Ext_Test_TRIP is set to ON) .
1MRK 500 132-UEN B
Section 5
Local HMI
Distributed busbar protection REB500
83
Operation manual
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