Omicron CIBANO 500 PTM - Page 141

OMICRON 141
Off-service diagnostic methods
5. Depending on the test requirements, connect CIBANO 500 to the motor of the circuit breaker.
6. In a typical test of a MV circuit breaker the motor is supplied from CIBANO 500. To do so, click the
B4 socket in the hardware configuration, and then click Motor. After that connect the B4 socket on
the side panel of CIBANO 500 to "+" or phase contact of the motor and the BN socket to "–" or neutral
contact of the motor.
Measurement
To perform a measurement:
1. In the Settings and conditions area, enter the settings of the Timing test.
NOTICE
Equipment damage or loss of data possible
► Do not connect the DC coils with false polarity to prevent damaging the free running diodes.
► Always observe the right polarity of the DC coils.
Table 17-15: Settings of the Timing test
Setting Description
Coil supply
Supply source Select one of the following supply-source options:
• CIBANO 500 to supply the coils with CIBANO 500.
• External source to supply the coils with the source connected to VIN.
• Control board to supply the coils with a control-board switch.
1
Supply settings
2,3
Select a preconfigured coil supply setting from the asset data or select
Custom to enter custom settings.
Coil supply voltage Rated voltage of the coil supply
Click AC or DC for AC or DC coil supply voltage respectively.
Test frequency Coil supply frequency (AC only)
Trip signal
4
Select whether the rising or falling edge of the trip signal opens the circuit
breaker.
Close signal
4
Select whether the rising or falling edge of the close signal closes the circuit
breaker.
Motor supply
Supply source Click CIBANO 500 to supply the motor with CIBANO 500.
Click External source if the motor is supplied from the station supply or
battery without any connection to CIBANO 500 or if the station battery is
connected to the VIN section and supplied, for example, via the B4 socket.
Supply settings
2,3
Select the preconfigured motor supply setting from the asset data or select
Custom to enter custom settings.
Motor supply voltage Rated voltage of the motor supply
Click AC or DC for AC or DC motor supply voltage respectively.