Mitsubishi QJ71C24N User Manual page 225

8 DATA COMMUNICATION USING THE PRE-DEFINED PROTOCOL
Device
X20 CPRTCL instruction execution command
D300 Inverter Station Number designation device
Execution result storing device for the
D10
Execution protocol number designation
D12
M0
CPRTCL Predefined
execution protocol
command ready
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(d) Executing the protocols (program example)
Create a program with the dedicated instruction (CPRTCL instruction) using
GX Developer.
Switch the CPU module to RUN, and execute the registered protocol by the
dedicated instruction (CPRTCL instruction).
The following table shows the devices to be used.
•
I/O signal of QJ71C24N
Predefined protocol ready: X1D
•
Devices used in program example
Purpose
CPRTCL instruction
device
Completion device
Receive data are stored to the receive data storage area (D200 to D203)
that is set to the receive packet.
Device
Status display device at
M1
M101 Normal completion flag
M102 Error completion flag
D100 Error code storing device
—
MELSEC-Q
Purpose
completion
—
Stores set values in the
Send data storage area.
Protocol No.1 is specified.
Protocol is executed.
Communicated at CH2.
Normal completion flag
ON
Error completion flag ON
Error code is stored.
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