Overview
The “Interlocking for bus-coupler bay (ABC_BC)” function is used for a bus-coupler bay connected to a double busbar arrangement according to the below Switchyard layout. The function can also be used for a single busbar arrangement with transfer busbar or double busbar arrangement without transfer busbar.
For more detailed information on “Interlocking for bus-coupler bay (ABC_BC)” function, refer to ABB, Relion 670 Series manuals.
To see other supported functions, click here.
Function Identification
| Function description | IEC 61850 identification |
IEC 60617 identification |
ANSI/IEEE C37.2 device number |
| Interlocking for bus-coupler bay | ABC_BC | – | 3 |
Signals
ABC_BC function block
ABC_BC Input signals
| ABC_BC Input signals | |||
| Name | Type | Default | Description |
| QA1_OP | BOOLEAN | 0 | QA1 is in open position |
| QA1_CL | BOOLEAN | 0 | QA1 is in closed position |
| QB1_OP | BOOLEAN | 0 | QB1 is in open position |
| QB1_CL | BOOLEAN | 0 | QB1 is in closed position |
| QB2_OP | BOOLEAN | 0 | QB2 is in open position |
| QB2_CL | BOOLEAN | 0 | QB2 is in closed position |
| QB7_OP | BOOLEAN | 0 | QB7 is in open position |
| QB7_CL | BOOLEAN | 0 | QB7 is in closed position |
| QB20_OP | BOOLEAN | 0 | QB20 is in open position |
| QB20_CL | BOOLEAN | 0 | QB20 is in closed position |
| QC1_OP | BOOLEAN | 0 | QC1 is in open position |
| QC1_CL | BOOLEAN | 0 | QC1 is in closed position |
| QC2_OP | BOOLEAN | 0 | QC2 is in open position |
| QC2_CL | BOOLEAN | 0 | QC2 is in closed position |
| QC11_OP | BOOLEAN | 0 | Earthing switch QC11 on busbar WA1 is in open position |
| QC11_CL | BOOLEAN | 0 | Earthing switch QC11 on busbar WA1 is in closed position |
| QC21_OP | BOOLEAN | 0 | Earthing switch QC21 on busbar WA2 is in open position |
| QC21_CL | BOOLEAN | 0 | Earthing switch QC21 on busbar WA2 is in closed position |
| QC71_OP | BOOLEAN | 0 | Earthing switch QC71 on busbar WA7 is in open position |
| QC71_CL | BOOLEAN | 0 | Earthing switch QC71 on busbar WA7 is in closed position |
| BBTR_OP | BOOLEAN | 0 | No busbar transfer is in progress |
| BC_12_CL | BOOLEAN | 0 | A bus coupler connection exists between busbar WA1 and WA2 |
| VP_BBTR | BOOLEAN | 0 | Status are valid for app. involved in the busbar transfer |
| VP_BC_12 | BOOLEAN | 0 | Status of the bus coupler app. between WA1 and WA2 are valid |
| EXDU_ES | BOOLEAN | 0 | No transm error from any bay containing earthing switches |
| EXDU_12 | BOOLEAN | 0 | No transm error from any bay connected to WA1/WA2 busbars |
| EXDU_BC | BOOLEAN | 0 | No transmission error from any other bus coupler bay |
| QA1O_EX1 | BOOLEAN | 0 | External open condition for apparatus QA1 |
| QA1O_EX2 | BOOLEAN | 0 | External open condition for apparatus QA1 |
| QA1O_EX3 | BOOLEAN | 0 | External open condition for apparatus QA1 |
| QB1_EX1 | BOOLEAN | 0 | External condition for apparatus QB1 |
| QB1_EX2 | BOOLEAN | 0 | External condition for apparatus QB1 |
| QB1_EX3 | BOOLEAN | 0 | External condition for apparatus QB1 |
| QB2_EX1 | BOOLEAN | 0 | External condition for apparatus QB2 |
| QB2_EX2 | BOOLEAN | 0 | External condition for apparatus QB2 |
| QB2_EX3 | BOOLEAN | 0 | External condition for apparatus QB2 |
| QB20_EX1 | BOOLEAN | 0 | External condition for apparatus QB20 |
| QB20_EX2 | BOOLEAN | 0 | External condition for apparatus QB20 |
| QB7_EX1 | BOOLEAN | 0 | External condition for apparatus QB7 |
| QB7_EX2 | BOOLEAN | 0 | External condition for apparatus QB7 |
ABC_BC Output signals
| ABC_BC Output signals | |||
| Name | Type | Description | |
| QA1OPREL | BOOLEAN | Opening of QA1 is allowed | |
| QA1OPITL | BOOLEAN | Opening of QA1 is forbidden | |
| QA1CLREL | BOOLEAN | Closing of QA1 is allowed | |
| QA1CLITL | BOOLEAN | Closing of QA1 is forbidden | |
| QB1REL | BOOLEAN | Switching of QB1 is allowed | |
| QB1ITL | BOOLEAN | Switching of QB1 is forbidden | |
| QB2REL | BOOLEAN | Switching of QB2 is allowed | |
| QB2ITL | BOOLEAN | Switching of QB2 is forbidden | |
| QB7REL | BOOLEAN | Switching of QB7 is allowed | |
| QB7ITL | BOOLEAN | Switching of QB7 is forbidden | |
| QB20REL | BOOLEAN | Switching of QB20 is allowed | |
| QB20ITL | BOOLEAN | Switching of QB20 is forbidden | |
| QC1REL | BOOLEAN | Switching of QC1 is allowed | |
| QC1ITL | BOOLEAN | Switching of QC1 is forbidden | |
| QC2REL | BOOLEAN | Switching of QC2 is allowed | |
| QC2ITL | BOOLEAN | Switching of QC2 is forbidden | |
| QB1OPTR | BOOLEAN | QB1 is in open position | |
| QB1CLTR | BOOLEAN | QB1 is in closed position | |
| QB220OTR | BOOLEAN | QB2 and QB20 are in open position | |
| QB220CTR | BOOLEAN | QB2 or QB20 or both are not in open position | |
| QB7OPTR | BOOLEAN | QB7 is in open position | |
| QB7CLTR | BOOLEAN | QB7 is in closed position | |
| QB12OPTR | BOOLEAN | QB1 or QB2 or both are in open position | |
| QB12CLTR | BOOLEAN | QB1 and QB2 are not in open position | |
| BC12OPTR | BOOLEAN | No connection via the own bus coupler between WA1 and WA2 | |
| BC12CLTR | BOOLEAN | Conn. exists via the own bus coupler between WA1 and WA2 | |
| BC17OPTR | BOOLEAN | No connection via the own bus coupler between WA1 and WA7 | |
| BC17CLTR | BOOLEAN | Conn. exists via the own bus coupler between WA1 and WA7 | |
| BC27OPTR | BOOLEAN | No connection via the own bus coupler between WA2 and WA7 | |
| BC27CLTR | BOOLEAN | Conn. exists via the own bus coupler between WA2 and WA7 | |
| VPQB1TR | BOOLEAN | Switch status of QB1 is valid (open or closed) | |
| VQB220TR | BOOLEAN | Switch status of QB2 and QB20 are valid (open or closed) | |
| VPQB7TR | BOOLEAN | Switch status of QB7 is valid (open or closed) | |
| VPQB12TR | BOOLEAN | Switch status of QB1 and QB2 are valid (open or closed) | |
| VPBC12TR | BOOLEAN | Status of the bus coupler app. between WA1 and WA2 are valid | |
| VPBC17TR | BOOLEAN | Status of the bus coupler app. between WA1 and WA7 are valid | |
| VPBC27TR | BOOLEAN | Status of the bus coupler app. between WA2 and WA7 are valid | |
Logics & highlights
ABC_BC Logic diagram
