Omron CJ1W-SCU22, Руководство по эксплуатации, Страница: 107 / 478

2-33
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)
2-3 De
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V
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b
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o
r CJ-series Un
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2
2-3-4 D
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Modbus-RTU Slave Mode
Device variable for CJ-series Unit
Type R/W Name Function
Port 1 Port 2
*_P1_MbsCmdRxCntSta *_P2_MbsCmdRxCntSta UINT R Number of Nor-
mally Received
Commands The number of normal
Modbus-RTU commands
received from the commu-
nications port is stored.
*_P1_MbsRespTxCntSta *_P2_MbsRespTxCntSta UINT R Number of Nor-
mally Sent
Responses The number of normal
Modbus-RTU responses
sent to the communica-
tions port is stored.
*_P1_MbsTxErrCnt *_P2_MbsTxErrCnt UINT R Number of
Overrun Errors,
Framing Errors,
and Parity
Errors (Trans-
mission errors) The number of overrun
errors, framing errors, and
parity errors that occur is
stored.
*_P1_MbsCRCErrCnt *_P2_MbsCRCErrCnt UINT R Number of
CRC Errors
(Transmission
errors) The number of CRC errors
that occur is stored.
*_P1_MbsCmdErrCnt *_P2_MbsCmdErrCnt UINT R Number of
Command For-
mat Errors (Ille-
gal Function
Codes and Ille-
gal Addresses) The number of illegal func-
tion codes and illegal
addresses/data in
received Modbus- RTU
commands is stored.