CIBANO 500 PTM User Manual
178 OMICRON
17.2.6 Timing test
The Timing test measures the contact timing of the circuit breaker. Depending on the selected sequence
the opening time, closing time, close-open time, and so on are automatically calculated. With the
CB TN3 modules, you can also measure the displacement of the circuit breaker’s main contacts during
operation (see 17.5 "Testing circuit breakers with CIBANO 500 and the CB TN3 modules" on page 252).
Note: If you have the software license to perform the Dynamic Contact Resistance test proceed with that
test as described in 17.2.7 "Dynamic Contact Resistance test" on page 189. The Timing test requires
the same amount of work but gives less information.
Connection
To connect the test object to CIBANO 500:
1. Make sure that all cable connectors are clean and dry before being tightly connected.
2. Connect the CB MC2 to CIBANO 500 with the EtherCAT
®
cable.
3. If the CB MC2 modules are not connected from the last test, hook up the CB MC2 to the first or the
first two interrupter(s) of the circuit breaker.
4. Connect the CB MC2 to the main contact of the circuit breaker with the delivered cables and clamps.
5. Repeat steps 2 to 4 for all interrupters you want to test.
6. In Primary Test Manager, open the Timing test.
WARNING
Death or severe injury caused by high voltage or current possible
► Do not connect anything to the circuit breaker under test without grounding the circuit breaker.
► Always ground the circuit breaker on both ends on all phases and close the circuit breaker to
have proper grounding between the interrupters.
WARNING
Death or severe injury caused by high voltage or current possible
► Do not connect the EtherCAT
®
cables to the CB MC2 module before they are connected to
CIBANO 500.
► Connect the EtherCAT
®
cables first to CIBANO 500 and then to the CB MC2 module.
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