Appendix
A-3
A2 Communication Flag
A2.1 Communication Flag (Special Data Register)
[Table A2.1] are flags used in the Rnet. Use can monitor those flags with the flag monitor function of
KGL-WIN or use in sequence program.
The following table shows the flag list when the communication module is mounted on slot 0.
[Table A2.1] Flag List (when equipped at the slot no.0)
x: K1000S=9, K300S/K200S=4, n:0~7(slot location)
Address Keyword Type Name Description
Dx500
Dx502
_CnSTNOL
_CnSTNOH
DWord
Communications module
station No.
Indicates the number which is set on communications module station
switch.
Dx504 _CnTXECNT Word
Communications frame
sending error
Increments by one whenever sending error of communications frame
occurs.
Connection condition of network is evaluated by this value.
Dx505 _CnRXECNT Word
Communications frame
receiving error
Increments by one whenever receiving error of communications frame
occurs.
Connection condition of network is evaluated by this value
Dx506 _CnSVCFCNT Word
Communications service
processing error
Increments by one whenever communications service fails. Connection
condition of network and overall communication quantity and program
stability can be evaluated by this value.
Dx507 _CnSCANMX Word
Maximum communications
scan time (unit : 1 ms)
Indicates the maximum time that is spent until every station connected
to network has the token at least one time and sends a sending frame.
Dx508 _CnSCANAV Word
Average communications
scan time (unit : 1 ms)
Indicates the maximum time that is spent until every station connected
to network has the token at least one time and sends a sending frame.
Dx509 _CnSCANMN Word
Minimum communications
scan time (unit : 1 ms)
Indicates the maximum time that is spent until every station connected
to network has the token at least one time and sends a sending frame.
Dx510 _CnLINF Word
Communications module
system information
Indicates operation state of communications module with word.
Dx510.0 _CnCRDER Bit System error (error = 1)
Indicates communications module hardware or system O/S error.
Dx510.1 _CnSVBSY Bit
Insufficient common RAM
(Insufficient = 1)
Indicates that service cannot be offered due to insufficient common
RAM.
Dx510.2 _CnIFERR Bit
Interface error (error = 1)
Indicates that interface with communications modules has been
stopped.
Dx510.3 _CnINRING Bit
In-ring (IN_RING = 1)
Indicates that the communications module can communicate with other
station or not.
Dx510.4 _CnLNKMOD Bit
Operation mode (RUN=1)
Indicates that operation mode of communications module is in the
normal operation mode or test mode.
Dx680 _CnVERNO Word
Version No. of
communications module
O/S version No. of communications module
Dx690 _FSMn_st_no Word
Numbers of remote I/O
stations. (Write is enabled)
Sets the remote I/O station number to the upper 8 bits. (See REMARK
given in the below)
Dx690.0 _FSMn_reset Bit
Remote I/O station S/W
reset
Initializes special modules and I/O modules in the remote station
defined by the FSMn_st_no.
Dx690.1 _FSMn_io_reset Bit
Remote I/O station digital
output reset
Clears the output of I/O modules in the remote station defined by the
FSMn_st_no.
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