6.2
Procedure before Operation
The flow chart below shows the Predefined Protocol Support Function setting and sequence program creation procedure up
until communication with a counterpart device:
1.
Check communication specifications
Refer to Page 167 Specifications.
Communication specifications
•
•
Predefined protocol specifications
2.
System configuration and selection
Refer to Page 166 System Configuration.
•
System Configuration
Select communication equipment
•
3.
Wiring
Refer to non-protocol communication (Page 131 Wiring).
•
Selection of cables and connection equipment
Wiring example
•
4.
Communication settings
Refer to Page 168 Communication Settings.
5.
Protocol settings
Refer to Page 170 Protocol Setting.
Refer to Page 176 Packet Setting.
6.
Program creation
Refer to Page 191 Programming.
Detailed explanation of related devices
•
•
Basic program
6.3
System Configuration
This section outlines the system configuration required to use predefined protocol support function.
You can use the predefined protocol support function in the CPU module using the built-in RS-485 port, communication board,
and communication adapter.
Allotment of serial ports is set to the following fixed numbers, regardless of system configuration.
FX5U CPU module
CH1: Built-in RS-485 port
6 PREDEFINED PROTOCOL SUPPORT FUNCTION
166
6.2 Procedure before Operation
CH4: Communication adapter-2
CH3: Communication adapter-1
CH2: Communication board
FX5UC CPU module
CH4: Communication adapter-2
CH3: Communication adapter-1
CH1: Built-in RS-485 port