4.2
Procedure before Operation
The flow chart below shows the Inverter Communication setting and sequence programs creation procedure until data link:
1.
Check communication specifications
Refer to Page 71 Specifications.
•
Applicable inverter
Operation commands and parameters
•
•
Execution time of inverter communication
2.
System configuration and selection
Refer to Page 70 System Configuration.
•
System Configuration
Select communication equipment
•
3.
Wiring
Refer to Page 77 Wiring.
•
Selection of cables and connection equipment
Wiring example
•
4.
Communication settings
Refer to Page 90 Inverter Communication Settings.
Refer to Page 95 PLC Communication settings.
5.
Program creation
Refer to Page 97 Programming.
•
Detailed explanation of related devices
Basic program
•
*1 For details on operating procedure of GX Works3, refer to the manual below.
GX Works3 Operating Manual
4.3
System Configuration
This section outlines the system configuration required to use inverter communication.
You can use the inverter communication 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
4 INVERTER COMMUNICATION
70
4.2 Procedure before Operation
*1
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