ABB RELION REB500 Operation Manual page 99

Distributed busbar protection

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1MRK 500 132-UUS Rev. B

IEC19000212 V1 EN-US

Figure 72:

Distributed busbar protection REB500

Operation manual

LHMI Test Trip active

When the Test Trip state changes from OFF to ON , the tripping command

21120_EXT_TEST_TRIP is activated and depending on the binary output configuration

see Tripping Command

Section 4.6.3.6

breaker.

The Test Trip state can be toggled as many times as possible as long as the menu will

not be left.

If the Test Trip menu will be left, the Test Trip state changes back to OFF if no

combination with an external test trip input exists. In combination with the external Test

Trip input it might remain in the ON state (if state of input signal 11115_Ext_Test_TRIP is

set to ON).

Leaving the Test Trip menu will require a re-logon to authenticate the user every time.

The Test Trip menu will be left automatically after the configured display timeout, which

can be changed in the LHMI menu Display settings/LHMI/Display Timeout.

IEC19000212-IEC19000212-1-en.vsdx

a trip command is sent to the respective circuit

Section 5

Local HMI

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