3. Instructions
906
CS/CJ/NSJ Series Instructions Reference Manual (W474)
Network Communications Instructions
With CS/CJ-series PLCs, up to eight Network Communications Instructions can be executed
simultaneously. With CJ2-series PLCs, up to 64 Network Communications Instructions can be executed
simultaneously for some instructions. These instructions are called CJ2 Network Communications
Instructions.
Mnemonic Instruction Features
CJ2 Network Communications
Instructions
SEND2 NETWORK SEND 2 Up to 64 of these instructions can be executed
simultaneously. Words specified in the instruction
are used to show the completion of
communications and communications errors.
RECV2 NETWORK RECEIVE 2
CMND2 DELIVER COMMAND 2
PMCR2 PROTOCOL MACRO 2
Network Communications
Instructions for CJ1/CS1/CJ2
SEND NETWORK SEND Up to 8 of these instructions can be executed
simultaneously. Bits in the Auxiliary Area are used
to show the completion of communications and
communications errors. Either the
communications port must be specified, or
automatic allocation of a communications port
must be specified. (Here, “communications port”
indicates an internal logical port, not a physical
port.)
RECV NETWORK RECEIVE
CMND DELIVER COMMAND
EXPLT EXPLICIT MESSAGE SEND
EGATR EXPLICIT GET ATTRIBUTE
ESATR EXPLICIT SET ATTRIBUTE
ECHRD EXPLICIT WORD READ
ECHWR EXPLICIT WORD WRITE
PMCR PROTOCOL MACRO
TXDU TRANSMIT VIA SERIAL
COMMUNICATIONS UNIT
RXDU RECEIVE VIA SERIAL
COMMUNICATIONS UNIT
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