
2 Initial Settings and Allocations of Device Variable for CJ-series Unit
2-26
CJ-series Serial Communications Units Operation Manual for NJ-series CPU Unit(W494)
*_P1_LclBusySta
*_P2_LclBusySta
BOOL
R
Local Unit Busy
TRUE: Local Unit busy
(Flow control)
FALSE: Local Unit ready
to receive
*_P1_SigERSta
*_P2_SigERSta
BOOL
R
ER signal
TRUE: High
FALSE: Low
*_P1_SigDRSta
*_P2_SigDRSta
BOOL
R
DR signal
TRUE: High
FALSE: Low
*_P1_SigCSSta
*_P2_SigCSSta
BOOL
R
CS signal
TRUE: High
FALSE: Low
*_P1_SigRSSta
*_P2_SigRSSta
BOOL
R
RS signal
TRUE: High
FALSE: Low
*_P1_TransErrSta
*_P2_TransErrSta
WORD
R
Transmission
Error Status
Bit 15: Transmission error
(*2)
Bit 14: Tfs (send finished
monitoring time) exceeded
(*3)
Bit 13: Tfr (receive fin-
ished monitoring time)
exceeded (*3)
Bit 12: Tr (receive wait
monitoring time) exceeded
(*3)
Bits 08 to 11: Number of
retries (*3)
Bit 07: FCS check error
Bit 06: Command error
(*3)
Bit 05: Timeout error
Bit 04: Overrun error
Bit 03: Framing error
Bit 02: Parity error
*_P1_TransErr
*_P2_TransErr
BOOL
R
Transmission
error (*2)
TRUE: Transmission error
FALSE: No transmission
error
*_P1_TfsErr
*_P2_TfsErr
BOOL
R
Tfs (Send Fin-
ished Monitor-
ing Time)
Exceeded (*3)
TRUE: Tfr (send finished
monitoring time) exceeded
FALSE: Normal
*_P1_TfrErr
*_P2_TfrErr
BOOL
R
Tfr (Receive
Finished Moni-
toring Time)
Exceeded (*3)
TRUE: Tfr (receive fin-
ished monitoring time)
exceeded
FALSE: Normal
*_P1_TrErr
*_P2_TrErr
BOOL
R
Tr (Receive
Wait Monitor-
ing Time)
Exceeded (*3)
TRUE: Tr (receive wait
monitoring time) exceeded
FALSE: Normal
Device variable for CJ-series Unit
Type
R/W
Name
Function
Port 1
Port 2
Содержание CJ1W-SCU22
Страница 192: ...4 Using Protocol Macros 4 56 CJ series Serial Communications Units Operation Manual for NJ series CPU Unit W494...
Страница 250: ...6 No protocol Mode 6 22 CJ series Serial Communications Units Operation Manual for NJ series CPU Unit W494...
Страница 460: ...A Standard System Protocol R 126 CJ series Serial Communications Units Operation Manual for NJ series CPU Unit W494...
Страница 473: ...Index 1 CJ series Serial Communications Units Operation Manual for NJ series CPU Unit W494 I Index...