Omron SYSMAC CS1W-CLK11 Operation Manual page 152

Using the Message Service
Simultaneous Execution of Communications Instructions
C200HX/HG/HE PCs
Controller Link Unit
Port
Operating
level #0
Port
Operating
level #1
There is only one communications port per operat
ing level, so no more than one communications
instruction can be executed per operating level at
one time. When both operating levels are used, two
instructions can be executed simultaneously.
CQM1H-series PCs
Controller Link Unit
Port
There is only one communications port, so no more
than one communications instruction can be
executed at one time.
136
CPU Unit
Instruction 1
Instruction 2
CPU Unit
Instruction 1
CS/CJ-series, CVM1, and CV-series PCs
Controller Link Unit
CPU Unit
Port
There are eight communications ports, so eight
communications can be executed simulta
neously. Only one message is refreshed from
the CPU Unit to the Controller Link Unit and
one from the Controller Link Unit to the CPU
Unit for each CPU Bus Unit service time.
Section 6-3
Instruction 1
Instruction 2
Instruction 3
Instruction 4
Instruction 5
Instruction 6
Instruction 7
Instruction 8