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Contents
xii PACSystems* RX7i & RX3i TCP/IP Ethernet Communications User Manual GFK-2224Q
Figure 43: Operating Sequence for CPU Clock Synchronization ........................................................................................................... 81
Figure 44: COMMREQ to Control the CPU Time-of-Day Clock ................................................................................................................ 82
Figure 45: COMMREQ Used to Program Ethernet Global Data ............................................................................................................. 94
Figure 46: Example: Masked Write to EGD Exchange Bit Mask and Data Bits ............................................................................108
Figure 47: COMMREQ Sequence for Establish Read Channel ..............................................................................................................112
Figure 48: COMMREQ for Programming Channel Commands ............................................................................................................113
Figure 49: Interpreting Detailed Channel Status Words .........................................................................................................................127
Figure 50: Sample Ladder Logic for COMMREQ ..........................................................................................................................................129
Figure 51: Interpreting COMMREQ Status Word .........................................................................................................................................132
Figure 52: Calculations for Modbus File and Record %W Memory Address .................................................................................136
Figure 53: Phases of a COMMREQ Execution ...............................................................................................................................................140
Figure 54: Illustration of Phased Operation of a COMMREQ .................................................................................................................142
Figure 55: The COMMREQ Function Block ......................................................................................................................................................143
Figure 56: Interpreting the COMMREQ Status Word .................................................................................................................................162
Figure 57: COMMREQ Ladder Logic Segment ..............................................................................................................................................163
Figure 58: COMMREQ Ladder Logic Segment (continued) .....................................................................................................................164
Figure 59: COMMREQ Ladder Logic Segment (continued) .....................................................................................................................165
Figure 60: COMMREQ Ladder Logic Segment (continued) .....................................................................................................................166
Figure 61: COMMREQ Ladder Logic Segment (continued) .....................................................................................................................167
Figure 62: COMMREQ Ladder Logic Segment (continued) .....................................................................................................................167
Figure 63: COMMREQ Ladder Logic Segment (continued) .....................................................................................................................168
Figure 64: SERVER_STATUS Word bit definitions ........................................................................................................................................179
Figure 65: CONFIG_STATUS Word bit definitions .......................................................................................................................................181
Figure 66: OPC UA Example Subroutine .........................................................................................................................................................183
Figure 67: Project Inspector/Ethernet Config Window ............................................................................................................................185
Figure 68: OPC UA Server Client Connection String ..................................................................................................................................186
Figure 69: OPC UA Client Connection Dialog ................................................................................................................................................186
Figure 70: Machine Edition Controller Hardware Configuration – Passwords Disabled ........................................................187
Figure 71: Machine Edition Controller Hardware Configuration – Passwords Enabled .........................................................188
Figure 72: Machine Edition Online Command to Set Passwords .......................................................................................................189
Figure 73: OPC UA Connection Security Settings .......................................................................................................................................190
Figure 74: Example OPC UA Address Space .................................................................................................................................................190
Figure 75: Machine Edition Variable Inspector ............................................................................................................................................191
Figure 76: Application Variable Address Space ...........................................................................................................................................192
Figure 77: OPC UA Address Space - Server Node.......................................................................................................................................192
Figure 78: Server Specific Address Space ......................................................................................................................................................193
Figure 79: BuildInfo Subscription ........................................................................................................................................................................193
Figure 80: OPC UA Address Space - Application Information ..............................................................................................................194
Figure 81: OPC UA Address Space – GE Device Information ................................................................................................................195
Figure 82: PACSystems Factory Default Web Page ...................................................................................................................................200
Figure 83: Selecting Display Format .................................................................................................................................................................200
Figure 84: PLC Fault Table Display ....................................................................................................................................................................202
Figure 85: Fault Extra Data Display ...................................................................................................................................................................203
Figure 86: I/O Fault Table Display ......................................................................................................................................................................204
Figure 87: States of the Ethernet Interface ....................................................................................................................................................209
Figure 88: Fault Extra Data Example ................................................................................................................................................................212
Figure 89: Monitoring FT Output in COMMREQ Function Block...........................................................................................................219