Omron CS1W-CLK12-V1, Operation Manual

Page: 55 / 312

38
Message Service Procedure Section 2-2
8. Create the user program.
Contents Remarks Page
• Prepare the send and receive data
in memory.
Stored in the memory areas of the
local node 110
• Prepare the control data for the
communications instruction.
• Check the conditions for executing
the SEND/RECV or CMND instruc-
tion.
The standard input conditions are the
Active Node Flags for the local and
remote nodes, and the Port Enabled
Flag. 122
• Execute the SEND/RECV or
CMND instruction.
---
• Execute other instructions are
required for the results of the com-
munications instruction, (e.g., retry
or error processing if an error
occurs).
The standard input condition is the
Port Error Flags.
CVM1 and CV-series PLCs have 8
communications ports. When 9 or
more communications instructions
are executed at the same time, exclu-
sive control is necessary.