OMICRON 259
Off-service diagnostic methods
17.5.2 Dynamic Contact Resistance test
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 TN3 to CIBANO 500 with the EtherCAT
®
cable.
3. If the CB TN3 modules are not connected from the last test, hang up the CB TN3 close to the circuit
breaker’s mechanical moving part.
4. Connect the transducer to the CB TN3 with the delivered cable.
5. Attach the transducer to the circuit breaker. For detailed information, see 19 "Transducers" on
page 282.
6. Repeat steps 2 to 5 for all CB TN3 modules you want to connect.
7. In Primary Test Manager, open the Dynamic Contact Resistance 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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