Omron CJ1W-SCU22, Руководство по эксплуатации, Страница: 106 / 478

2 Initial Settings and Allocations of Device Variable for CJ-series Unit
2-32
CJ-series Serial Communications Units Operation Manual for NJ-series CPU Unit(W494)
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No-protocol Mode
Device variable for CJ-series Unit
Type R/W Name Function
Port 1 Port 2
*_P1_NopSta *_P2_NopSta WORD R No-protocol
Mode Status Bit 07: Reception Overflow
Flag
Bit 06: Reception Com-
pleted Flag
Bit 05: SerialSend Execut-
ing Flag
*_P1_NopRcvOvfSta *_P2_NopRcvOvfSta BOOL R Reception
Overflow Flag TRUE: Unit received more
than the specified number
of bytes
FALSE: Unit did not
receive more than the
specified number of bytes
*_P1_NopRcvComplet
eSta *_P2_NopRcvComplet
eSta BOOL R Reception
Completed
Flag TRUE: Reception com-
pleted
FALSE: No reception or
reception in progress
*_P1_NopSerialSendE
xecSta *_P2_NopSerialSendE
xecSta BOOL R SerialSend
Executing Flag TRUE: Executing
FALSE: Not executing
*_P1_NopRcvCntSta *_P2_NopRcvCntSta UINT R Reception
Counter (Num-
ber of Receive
Data Bytes) Counts the number of
received data bytes that
have not been read from 0
to 256 (0 to 256 bytes).
If an end code is present,
counts the number of
unread data bytes up to
the end code.