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5.2 List of MEWTOCOL Supporting Commands
5.2.1 MEWTOCOL-DAT
Type of instruction
Write data area
Read data area
Write contact information
Read contact information
5.2.2 MEWTOCOL-COM
Type of instruction
Read contact area
Write contact area
Read data area
Write data area
Register or Reset contacts
monitored
Register or Reset data monitored
Monitoring start
Preset contact area
(fill command)
Preset data area
(fill command)
Read the status of PLC
Abort
(Note) Some devices are not accessible due to format restrictions of MEWTOCOL-COM communication commands.
5.2.3 MEWTOCOL7-COM
Commands to be used
Type of instruction
Read data area
Write data area
5.2 List of MEWTOCOL Supporting Commands
Code
50H
Writes data to a data area.
51H
Reads the contents of a data area.
52H
Turn ON or OFF contact in the specified area.
53H
Read ON/OFF status of contact in the specified area.
Code
RC
Reads ON/OFF status of contact.
(RCS)
- Specifies only a single contact.
(RCP)
- Specifies multiple contacts.
(RCC)
- Specifies a range in word units.
WC
Turns ON or OFF the contact.
(WCS)
- Specifies only a single contact.
(WCP)
- Specifies multiple contacts.
(WCC)
- Specifies a range in word units.
RD
Reads the contents of a data area.
WD
Writes data to a data area.
MC
Registers the contact to be monitored.
MD
Registers the data to be monitored.
MG
Monitors a registered contact or data using MC and MD.
Embeds the area of a specified range in a 16-point on/off
SC
pattern.
Writes the same contents to the data area of a specified
SD
range.
Reads the specifications of the programmable controller and
RT
error codes if an error occurs.
Aborts reception of multiple frame responses before
AB
completion.
Code
MMRD
Reads the contents of a data area.
MMWT
Writes data to a data area.
Description
Description
Description
5-3
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