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Siemens AG ⋅ May 1998
A circuit-breaker trip test can be performed.
The pre-requisite for trip testing is:
D that the respective bay must be taken out of serĆ
vice (see Section 4.7.5.2).
D feeder current < < CB-TEST ( )
D no TRIP command was generated by the ZPS-
BSZ1 (CZ).
The third condition is not fulfilled with busbar short-
circuit nor with pick-up of the differential current suĆ
pervision.
The CB test command is reset after a fixed time of
5s.
Y
B
8 2 0 0 T E S T :
M a n u a l t r i p ?
Answer with YES key"F3" if circuit-breaker testing
should be performed, otherwise proceed with YB.
M A N T R I P
B A Y . P H ?
Request to enter the bay number and the phase, e.g.
input "4.2" (bay 4, phase L2). The input has to be
concluded with the "ENTER" key.
A three-phase test is performed if only the bay numĆ
ber is indicated.
b a y i n s e r v i c e !
Prior to performing a CB test, the corresponding bay
must be taken out of service (e.g. via ).
M A N T R I P B A Y . P H ?
= 0 4 . L 2 ?
The inscription appears after entering the bay number
and phase number, as well as bay out of service "F3"
Interrupt with NO key "F4"
M A N U A L T R I P
= e x e c u t e d !
If test was successful.
Otherwise the following text appears:
= TEST repeat
= Bay non exist
Y
B
8 3 0 0 C O N T R O L :
R e l e a s F l t R e c B u f ?
The fault record function is activated. With the reĆ
lease command, the fault record buffer is ready for
recording measured values of a subsequent fault.
If two fault records are stored, both will be erased.
This command is executed by depressing key "F3".
R E L S F L T R E C B U F
= e x e c u t e d !
Confirmation
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