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Chapter 8. Diagnostic Menus ............................................................................................91
8.1. Serial Communication Statistics Page............................................................................................ 92
8.2. Modbus RTU/ASCII over Ethernet TCP Statistics Page ............................................................. 94
8.3. Serial Interface Logs ........................................................................................................................... 96
8.4. Known Modbus Slave Device List .................................................................................................... 97
8.5. Modbus/TCP and Serial Modbus Master Statistics Page .......................................................... 100
8.6. Modbus/TCP Connections Page ...................................................................................................... 104
8.7. Modbus Alias Device ID Statistics Page ....................................................................................... 106
8.8. Shared Memory Contents................................................................................................................. 107
8.8.1. Shared Holding Block Register Blocks ........................................................................................ 107
8.8.2. Shared Coil Blocks........................................................................................................................ 109
8.9. Ethernet/IP Interface Statistics Page ........................................................................................... 111
8.10. Modbus to EtherNet/IP Tag/File Diagnostics Page .................................................................. 113
8.11. EtherNet/IP Tag/File to Modbus Diagnostics Page .................................................................. 115
8.12. Modbus to Modbus Diagnostics Page .......................................................................................... 116
8.13. System Log ......................................................................................................................................... 118
Chapter 9. System Menus .................................................................................................119
9.1. Update Firmware ............................................................................................................................... 119
9.2. Configuration File Page.................................................................................................................... 121
9.2.1. Saving a Configuration File ......................................................................................................... 121
9.2.2. Loading a Configuration File ....................................................................................................... 122
9.3. System Snapshot Page ...................................................................................................................... 123
9.4. Restore Defaults Page ....................................................................................................................... 124
9.5. Reboot ................................................................................................................................................... 125
Chapter 10. PLC Programming for Modbus Object (44 Hex)...................................127
10.1. Read Discrete Inputs Service (4B Hex)....................................................................................... 127
10.2. Read Coils Service (4C Hex) .......................................................................................................... 129
10.3. Read Input Registers Service (4D Hex) ...................................................................................... 131
10.4. Read Holding Registers Service (4E Hex) .................................................................................. 133
10.5. Write Coils Service (4F Hex).......................................................................................................... 135
10.6. Write Holding Registers Service (50 Hex) .................................................................................. 137
10.7. Vendor Specific Write Single Coil Service (70 Hex)................................................................. 141
10.8. Vendor Specific Write Single Register Service (71 Hex) ........................................................ 143
10.9. Vendor Specific Write Mask Register (72 Hex) ......................................................................... 145
10.10. Vendor Specific Read/Write Holding Registers (73 Hex)...................................................... 148
Chapter 11. Class 1 Interface Definition.......................................................................151
11.1. Configuring an I/O Ethernet Module on a ControlLogix PLC............................................... 151
Chapter 12. Troubleshooting and Technical Support ...............................................155
12.1. Troubleshooting Checklist ............................................................................................................ 155
12.2. General Troubleshooting ............................................................................................................... 156
12.3. Daisy-Chaining DeviceMaster EIP-MOD Units With Two Ethernet Ports ......................... 157
12.4. Technical Support............................................................................................................................ 158
DeviceMaster EIP-MOD User Guide: 2000664 Rev. A
Table of Contents - 5
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Table of Contents
Troubleshooting
