Publication 1766-RM001A-EN-P - October 2008
410 Communications Instructions
Communication
Servicing Selection and
Message Servicing
Selection
The following screen shows the channel configuration window for
Communication Servicing Selection and Message Servicing Selection.
Communication Servicing Selection
Use the check box to enhance communication capability. If the check box
is unchecked, communication throughput (and scan time) will increase.
When Communications Servicing Selection is checked, at the next
execution of a Service Communications (SVC) instruction, I/O Refresh
(REF) instruction, or when it performs Communications Servicing,
whichever occurs first, commands/replies are processed as follows:
• One incoming channel 0 or channel 1 command;
• One incoming channel 0 or channel 1 message reply;
• One outgoing channel 0 or channel 1 message on the overflow
queue.
efesotomasyon.com - Allen Bradley,Rockwell,plc,servo,drive
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