7.1.2 Commands and Functions Available for Use
MEWTOCOL-COM Commands
Command name
Read contact area
Write contact area
Read data area
Write data area
Read timer/counter set value area
Write timer/counter set value area
Read timer/counter elapsed value area
Write timer/counter elapsed value area
Register or Reset contacts monitored
Register or Reset data monitored
Monitoring start
Preset contact area (fill command)
Preset data area (fill command)
Read system register
Write system register
Read the status of PLC
Remote control
Abort
Code
Description
RC
Reads the on/off status of relays.
(RCS)
Specifies only one point.
-
(RCP)
Specifies multiple points.
-
(RCC)
Specifies a range in word units.
-
WC
Turns relays on and off.
(WCS)
Specifies only one point.
-
(WCP)
Specifies multiple points.
-
(WCC)
Specifies a range in word units.
-
RD
Reads the contents of a data area.
WD
Writes data to a data area.
RS
Reads the set value for a timer/counter.
WS
Writes the set value for a timer/counter.
RK
Reads the timer/counter elapsed value.
WK
Writes the timer/counter elapsed value.
MC
Registers the relay to be monitored.
MD
Registers the data to be monitored.
MG
Monitors a registered relay or data.
SC
Embeds the area of a specified range in a 16-
point on/off pattern.
SD
Writes the same contents to the data area of a
specified range.
RR
Reads the contents of a system register.
WR
Specifies the contents of a system register.
RT
Reads the specifications of the programmable
controller and error codes if an error occurs.
RM
Switches the operation mode of the
programmable controller.
AB
Aborts communication.
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