Mitsubishi MELSEC QJ71C24, User Manual

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MELSEC-Q
3 SPECIFICATIONS
3.5 Dedicated Instruction List
The following table lists dedicated instructions that can be used in the Q series C24.
: Available : Not available
Protocol
Classification Instruction Description
MC Non Bi Pd
Reference
section
ONDEMAND Sends data with the on-demand function
OUTPUT Sends designated number of data
INPUT Receives data (reads received data)
BIDOUT Sends data
BIDIN Receives data (reads received data)
SPBUSY
Reads the status of data sent/received with each
dedicated instruction
CSET
Allows clearing data received up to the present
without interrupting the data transmission
processing
Chapter 10
BUFRCVS
Receives data with an interrupt program (reads
received data)
PRR
Sends data with user frames using transmission
schedule table
User's
Manual
(Application)
For data
communication
CPRTCL
Executes the protocol setting data written to the
flash ROM by Pre-defined protocol support
function.
Chapter 10
PUTE
Stores user frames in flash ROM of the Q series
C24 (writing)
Setting value
registration/
reading
GETE
Reads user frames stored in flash ROM of the Q
series C24
Performs programmable controller
CPU monitoring registration
Programmable
controller CPU
monitoring
instructions
Cancels programmable controller
CPU monitoring
For
programmable
controller CPU
monitoring
function
Initial value
setting instruction
CSET
Sets the unit for the number of communication data
(words/bytes) and the data communication area
Mode switching
instruction
UINI
Changes the mode, transmission specifications
and host station No. of the Q series C24
User's
Manual
(Application)
Abbreviations used in the
Protocol column
MC: MC protocol
Non: Non procedure protocol
Bi: Bidirectional protocol
Pd: Pre-defined protocol