Omron WS02-SIMC1-E - V1.9 REV 02-2009 Operation Manual page 158

Outline of Serial Communications
Communications Settings for Serial Communications
Communications Settings
for Serial Communications
Operations of Auxiliary Area The table below shows differences in operation of Status Area and Auxiliary
COM Port Logging Function
Error Logs
122
Note Refer to 2-3 I/O Memory Allocations in SYSMAC CS/CJ Series Serial Com-
munications Boards/Unit Operation Manual (W336) for the details of Serial
Communications Boards/Unit settings.
When using serial communications instructions in a program, communications
settings for each port number to be used can be specified. Serial communica-
tions settings include the following settings.
Communications
Settings
−
Messages
File
Actual communica-
tions
Area when set as communications are not actually performed ("-"/"Messages").
Instruction
TXD
RXD
STUP
Network instruc-
tions
SEND/RECV
/CMND
Save communications history to a file when serial communications are per-
formed with a COM port on the computer allocated. This function is available
when the communications setting for serial communications is set to "File" or
"Actual communications," although disabled for NT Link.
Folder
•
Input file name
•
The error logs function of Serial Communications Boards/Unit is not available.
Communications are not processed.
Display the contents of messages that would be sent to
an external device. (Actually messages are not sent.)
Write communications data to a file and read from the
file.
Possible to communicate in Host Link (SYSMAC WAY),
NT Link, or No-protocol via a COM port on the computer.
RS-232C Port Send Ready Flag
RS-232C Port Reception Completed Flag
RS-232C Port Reception Overflow
Flag
RS-232C Port Reception Counter
RS-232C Port Settings Changing
Flag
Network Communications Error Flag
Network Communications Enabled Flag
Network Communications Completion
Code
PLC data folder\LOG
COM port name LOG.txt
Section 5-1
Contents
Contents
Always ON
Always OFF
Always OFF (No
error)
Always 0
Always OFF
Always OFF (No
error)
Disabled (OFF) at
command issue and
enabled (ON) at
peripheral servicing
in the same cycle.
Cleared (always
normal status)