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

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PACSystems* RX7i & RX3i TCP/IP Ethernet Communications User Manual

GFK-2224Q

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