B-4
FX Series PLC User's Manual - Data Communication Edition
N:N Network
1 Outline
1.2 Procedures Before Operation
1.2 Procedures Before Operation
The flow chart below shows the N:N Network setting procedures up until data link:
Communication specifications
• Number of link points and time
• Number of system devices
Check communication specifications.
Refer to Chapter 2.
Determine system configuration and selection.
Perform wiring.
Refer to Chapter 4.
N:N Network
Program examples of pattern 2 are shown.
Practical program examples
System configuration
• Select communication equipment.
Communication test
• Create test programs.
Refer to Chapter 3.
Perform test run (communication test and
judgement method).
Refer to Chapter 6.
Wiring procedure
• One-pair wiring using twisted cables
• Wiring example
Based on SD/RD lamp lighting status and
contents of error check devices, verify that
communication is normally executed.
If there is abnormality, refer to the troubleshooting
(Chapter 9).
Refer to Chapter 8.
Outline of system
• Applicable PLC versions
• Applicable programming tools
Outline
Refer to Chapter 1.
Turn ON power.
Programming tool
Connect PLC.
*1
Perform PLC communication setting
(initialization).
Refer to Chapter 5.
Serial communication setting in PLC
• Communication setting is not required.
(Check only unset items.)
For the method to connect a programming tool to a PLC, refer to the "Programming Communication" section in this
manual or the respective programming tool manual.
For details on operating procedures, refer to the respective programming tool manual.
*1
Communication parameter setting
programs
• Basic program
• Error indication program example
• Detailed explanation of setting devices
Create programs.
Refer to Chapter 7.
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