App. - 27 App. - 27
MELSEC-Q
APPENDIXES
(5) Support for functions dedicated for data communication with
programmable controllers
MX Component provides the functions necessary for data communication with
programmable controllers, including functions for opening/closing communication
lines and reading/writing devices.
Multi-function communication programs can thus easily be developed with MX
Component.
Function name
Function
Connect
Connects a telephone line.
Open
Opens a communication line.
Close
Closes a communication line.
Disconnect
Disconnects a telephone line.
GetErrorMessage
Displays error definition and corrective action.
ReadDeviceBlock Batch-reads
data from devices. (LONG type)
WriteDeviceBlock
Batch-writes data to devices. (LONG type)
ReadDeviceBlock2
Batch-reads data from devices. (SHORT type/INT type)
WriteDeviceBlock2
Batch-writes data to devices. (SHORT type/INT type)
ReadDeviceRandom
Randomly reads data from devices. (LONG type)
WriteDeviceRandom
Randomly writes data to devices. (LONG type)
ReadDeviceRandom2
Randomly reads data from devices. (SHORT type/INT type)
WriteDeviceRandom2
Randomly writes data to devices. (SHORT type/INT type)
SetDevice
Sets one device. (LONG type)
GetDevice
Acquires the data of one device. (LONG type)
SetDevice2
Sets one device. (SHORT type/INT type)
GetDevice2
Acquires data of one device. (SHORT type/INT type)
ReadBuffer
Reads from buffer memory.
WriteBuffer
Writes to buffer memory.
GetClockData
Reads clock data from programmable controller CPU.
SetClockData
Writes clock data to programmable controller CPU.
GetCpuType
Reads a programmable controller CPU type.
SetCpuStatus
Remote RUN/STOP/PAUSE of programmable controller CPU.
EntryDeviceStatus
Registers device status monitor.
FreeDeviceStatus Deregisters device status monitor.
OnDeviceStatus Announces
event.
For details of the functions, refer to the MX Component Programming Manual.
(6) Collecting data on Excel without programming
Using MX Component and MX Sheet (SWnD5C-SHEET-E) allows users to
collect programmable controller device data on Excel with only simple setting
and without any programming.
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