Reads the on and off status of contacts.
･Specifies only one point.
･Specifies multiple contacts.
･
Write contact area
WC
(WCS)
(WCP)
(WCC)
Turns contacts on or off.
･Specifies only one point.
･Specifies multiple contacts.
･Specifies a range in word units.
Read data area RD Reads the contents of a data area.
Write data area WD Writes data to a data area.
Read timer/counter set
value area
RS Reads the timer/counter setting value.
Write timer/counter set
value area
WS Writes the timer/counter setting value.
Read timer/counter
elapsed value area
RK Reads the timer/counter elapsed value.
Write timer/counter
elapsed value area
WK Writes the timer/counter elapsed value.
Register or Reset
contacts monitored
MC Registers the contact to be monitored.
Register or Reset data
monitored
MD Registers the data to be monitored.
Monitoring start MG Monitors a registered contact or data using MD and MC.
Preset contact area (fill
command)
SC
Embeds the area of a specified range in a 16-point on and off
pattern.
Preset data area (fill
command)
SD
Writes the same contents to the data area of a specified
range.
Read system register RR Reads the contents of a system register.
Write system register WR Specifies the contents of a system register.
Read the status of PLC RT
Reads the specifications of the programmable controller and
Remote control RM
Switches the operation mode of the programmable controller.
(RUN mode <=> PROG. mode)
Abort AB Aborts communication.
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