Omron CJ1W-SCU32 Operation Manual page 238

6 No-protocol Mode
Device variable for CJ-series Unit
Port 1
*_P1_Ser485Sta
*_P1_Ser232Sta
*_P1_TermSta
*_P1_SysSetupErr
*_P1_OperatingSta
*_P1_TransCtlSta
*_P1_RmtBusySta
*_P1_LclBusySta
*_P1_SigERSta
*_P1_SigDRSta
*_P1_SigCSSta
*_P1_SigRSSta
*_P1_TransErrSta
*_P1_TransErr
*_P1_OverRunErr
6-10
Port 2
*_P2_Ser485Sta
*_P2_Ser232Sta
*_P2_TermSta
*_P2_SysSetupErr
*_P2_OperatingSta
*_P2_TransCtlSta
*_P2_RmtBusySta
*_P2_LclBusySta
*_P2_SigERSta
*_P2_SigDRSta
*_P2_SigCSSta
*_P2_SigRSSta
*_P2_TransErrSta
*_P2_TransErr
*_P2_OverRunErr
CJ-series Serial Communications Units Operation Manual for NJ-series CPU Unit(W494)
Type R/W Name
BOOL R RS-422/485
Setting Status
BOOL R RS-232C Set-
ting Status
BOOL R Terminating
Resistance
Setting Status
BOOL R System Setup
error
BOOL R Port Operating
Status
WORD R Communica-
tions Status
BOOL R Remote Unit
Busy
BOOL R Local Unit Busy TRUE: Local Unit busy
BOOL R DTR (ER) sig-
nal
BOOL R DSR (DR) sig-
nal
BOOL R CTS (CS) sig-
nal
BOOL R RTS (RS) sig-
nal
WORD R Transmission
Error Status
BOOL R Transmission
error
BOOL R Overrun Error
(*2)
Function
Port types of each port
*_P_Ser485Sta/*_P*_Ser
232Sta
00: No port
01: RS232C
10: RS422A/485
11: This status does not
exist.
TRUE: Terminating resis-
tance ON
FALSE: Terminating resis-
tance OFF
TRUE: System Setup
error
FALSE: System Setup
normal
TRUE: Port operating
FALSE: Port stopped
Bit 10: Remote Unit busy
Bit 08: Local Unit busy
Bit 07: DTR (ER) signal
Bit 06: DSR (DR) signal
Bit 04: CTS (CS) signal
Bit 03: RTS (RS) signal
TRUE: Remote Unit busy
(Flow control)
FALSE: Remote Unit
ready to receive
(Flow control)
FALSE: Local Unit ready
to receive
TRUE: High
FALSE: Low
TRUE: High
FALSE: Low
TRUE: High
FALSE: Low
TRUE: High
FALSE: Low
Bit 15: Transmission error
Bit 04: Overrun error
Bit 03: Framing error
Bit 02: Parity error
TRUE: Transmission error
FALSE: No transmission
error
TRUE: Overrun error
FALSE: Normal