Omron SYSMAC CJ - REFERENCE MANUAL 08-2008

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982

Serial Communications Instructions Section 3-24

The following programming example shows the instructions used to con-

stantly or periodically execute PMCR(260) to read data through a single

receive operation.

Set

m words

Data that was set will be

transfer if new data is not

successfully received.

Receive

buffer

Protocol

Macro

Execution

Flag

Communica-

tions Port En-

abled Flag

Always ON

Flag

Error

Recv

Error

Recv

Receive Area Not Held

Receive Area Held

Communications sequence

Receive buffer Cleared

Receive area (starting at

R+1)

Cleared data

(all zeros)

stored.

Communications sequence

Receive buffer

Cleared and

data stored

Receive area (starting at

R+1)

Set data stored if no new

data has been received

Main Page

Table of Contents21
Precautions31
- Operate a PLC System.32
- Controllers. You Must Read this Section and Understand the Information Contained before Attempting to Set up or32
Section 2 Summary of Instructions55
- Summary of Instructions55
Section 3 Instructions187
- Instructions187
Section 3-28 Clock Instructions1175

Omron SYSMAC CJ - REFERENCE MANUAL 08-2008

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