Omron CJ1W-SCU22, Руководство по эксплуатации, Страница: 105 / 478

2-31
2 Initial Settings and Allocations of Device Variable for CJ-series Unit
CJ-series Serial Communications Units Operation Manual for NJ-series CPU Unit(W494)
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Loopback Tests
Device variable for CJ-series Unit
Type R/W Name Function
Port 1 Port 2
*_P1_LbtSta *_P2_LbtSta WORD R Loopback Test
Status Bit 15: Error
Bit 08: DTR check error
Bit 07: CTS check error
Bit 05: Timeout error
Bit 04: Parity error
Bit 03: Overrun error
Bit 02: Framing error
Bit 00: Comparison error
*_P1_LbtErrSta *_P2_LbtErrSta BOOL R Error TRUE: Error
FALSE: Normal
*_P1_LbtDRErr *_P2_LbtDRErr BOOL R DTR Check
Error TRUE: DSR (DR) signal
check error
FALSE: Normal
*_P1_LbtCSErr *_P2_LbtCSErr BOOL R CTS Check
Error TRUE: CTS (CS) signal
check error
FALSE: Normal
*_P1_LbtTimeoutErr *_P2_LbtTimeoutErr BOOL R Timeout Error TRUE: Timeout error
FALSE: Normal
*_P1_LbtParityErr *_P2_LbtParityErr BOOL R Parity Error TRUE: Parity error
FALSE: Normal
*_P1_LbtOverRunErr *_P2_LbtOverRunErr BOOL R Overrun Error TRUE: Overrun error
FALSE: Normal
*_P1_LbtFramingErr *_P2_LbtFramingErr BOOL R Framing Error TRUE: Framing error
FALSE: Normal
*_P1_LbtCmpErr *_P2_LbtCmpErr BOOL R Comparison
Error TRUE: Comparison error
FALSE: Normal
*_P1_LbtTestCntSta *_P2_LbtTestCntSta UINT R Test Execution
Count The test execution count is
cleared at startup. If the
number of tests is counted
to 65,535, the value of the
count will remain at
65,535, but testing will
continue.
*_P1_LbtTestErrCntSta *_P2_LbtTestErrCntSta UINT R Test Error
Count The test execution count is
cleared at startup. If the
number of tests is counted
to 65,535, the value of the
count will remain at
65,535, but testing will
continue.