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11.3 Data Exchange Function .......................................................................11-60
11.3.1 Modbus Data Exchange .................................................................11-60
11.3.2 Modbus TCP Data Exchange .........................................................11-66
11.4 Web .......................................................................................................11-73
11.4.1 Enabling Web Function in AH500 Series .......................................11-73
11.4.2 Introduction ....................................................................................11-73
11.4.3 Exploring the Webpage ..................................................................11-74
11.4.4 Device Information .........................................................................11-77
11.4.5 Network configuration .....................................................................11-79
11.4.6 Data Monitoring ..............................................................................11-82
11.4.7 Diagnostic ......................................................................................11-87
11.4.8 Configurations ................................................................................11-92
11.5 EtherNet/IP ............................................................................................11-92
11.6 Data Tracer ...........................................................................................11-93
11.6.1 About Data Tracer ..........................................................................11-93
11.6.2 Example .........................................................................................11-95
11.6.3 Specification ...................................................................................11-96
11.7 Data Logger ...........................................................................................11-97
11.7.1 About Data Logger .........................................................................11-97
11.7.2 Related SM Flags and SR Registors ..............................................11-99
11.7.3 Specification ................................................................................. 11-100
Chapter 12 Troubleshooting
12.1 Troubleshooting .......................................................................................12-2
12.1.1 Basic Inspection ...............................................................................12-2
12.1.2 Eliminating Errors .............................................................................12-2
12.1.3 Troubleshooting Procedure ..............................................................12-3
12.1.4 Viewing Error Logs ...........................................................................12-4
12.2 Troubleshooting for CPU Modules ..........................................................12-5
12.2.1 ERROR LED Indicator’s Being ON ...................................................12-5
12.2.2 ERROR LED Indicator’s Blinking......................................................12-8
12.2.3 BUS FAULT LED Indicator’s Being ON ..........................................12-14
12.2.4 BUS FAULT LED Indicator’s Blinking .............................................12-15
12.2.5 Troubleshooting for AH500 Redundancy System ..........................12-16
12.2.6 Troubleshooting for EtherNet/IP .....................................................12-27
12.2.7 Others ............................................................................................12-28
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