Omron CJ1W-SCU32 Operation Manual page 107

Modbus-RTU Slave Mode
Device variable for CJ-series Unit
Port 1
*_P1_MbsCmdRxCntSta
*_P1_MbsRespTxCntSta
*_P1_MbsTxErrCnt
*_P1_MbsCRCErrCnt
*_P1_MbsCmdErrCnt
CJ-series Serial Communications Units Operation Manual for NJ-series CPU Unit(W494)
2 Initial Settings and Allocations of Device Variable for CJ-series Unit
Port 2
*_P2_MbsCmdRxCntSta
*_P2_MbsRespTxCntSta
*_P2_MbsTxErrCnt
*_P2_MbsCRCErrCnt
*_P2_MbsCmdErrCnt
Type R/W Name
UINT R Number of Nor-
mally Received
Commands
UINT R Number of Nor-
mally Sent
Responses
UINT R Number of
Overrun Errors,
Framing Errors,
and Parity
Errors (Trans-
mission errors)
UINT R Number of
CRC Errors
(Transmission
errors)
UINT R Number of
Command For-
mat Errors (Ille-
gal Function
Codes and Ille-
gal Addresses)
Function
The number of normal
Modbus-RTU commands
received from the commu-
nications port is stored.
The number of normal
Modbus-RTU responses
sent to the communica-
tions port is stored.
The number of overrun
errors, framing errors, and
parity errors that occur is
stored.
The number of CRC errors
that occur is stored.
The number of illegal func-
tion codes and illegal
addresses/data in
received Modbus- RTU
commands is stored.
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