GE PACSystems RXi User manual

GE
Intelligent Platforms
g
Programmable Control Products
PACSystems* RXi
Distributed IO Controller
ICRXICTL000
User Manual
GFK-2816F
August 2015

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Contents
GFK-2816F August 2015 i
Chapter 1 Introduction...................................................................................... 1
1.1 Specifications .............................................................................................................2
1.1.1 Part Numbers...................................................................................................2
1.1.2 Mechanical Specifications................................................................................2
1.1.3 RXi Controller Environmental Specifications...................................................2
1.1.4 Power Requirements .......................................................................................3
1.1.5 CPU Performance Specifications.....................................................................3
1.1.6 Communications Support.................................................................................3
1.2 System Version Information.......................................................................................5
1.3 RXi Controller User Features.....................................................................................6
1.3.1 Indicator and Port Locations............................................................................6
1.3.2 Status LED Operation......................................................................................6
1.3.3 PROFINET and GbE Port LEDs......................................................................7
1.4 Additional Information.................................................................................................8
1.5 Revisions in this Manual.............................................................................................9
Chapter 2 Installation...................................................................................... 11
2.1 Mounting Options .................................................................................................... 11
2.2 Installation Guidelines ............................................................................................. 11
2.2.1 Grounding for Direct Connection to 24Vdc....................................................11
2.2.2 Mounting Orientation......................................................................................12
2.2.3 Dimensions and Clearances for Installation ..................................................13
2.3 Mounting Procedures .............................................................................................. 14
2.3.1 Mounting the RXi Controller Directly on a Panel ...........................................14
2.3.2 Mounting the RXi Controller on a DIN Rail ....................................................15
2.3.3 Mounting the RXi Controller on a Panel Using a Backplate ..........................17
2.3.4 Installing the IDM on the RXi Controller.........................................................18
2.3.5 Installing the Energy Pack .............................................................................18
2.4 Connectors and Cabling.......................................................................................... 19
2.4.1 Connecting Input Power using the Energy Pack ...........................................19
2.4.2 Connecting the RXi Controller Directly to 24Vdc Input Power.......................19
2.4.3 Connecting to the GbE Port...........................................................................20
2.4.4 Connecting to a PROFINET Network ............................................................22
2.4.5 USB Ports ......................................................................................................22
2.4.6 Serial Communication Port............................................................................22
2.4.7 Micro USB (Type B) Port ...............................................................................22
2.4.8 SD (Secure Digital) Card Slot........................................................................23
2.4.9 DISPLAY PORT.............................................................................................23
2.5 Replacing the RTC Battery...................................................................................... 24
Chapter 3 Getting Started: Initial Power-up and Configuration................... 27

Contents
ii PACSystems* RXi Distributed IO Controller User Manual GFK-2816F
3.1 Connecting Input Power and the GbE Cable.......................................................... 28
3.2 Initial Power-up........................................................................................................ 28
3.3 Establishing Programmer Communications with the Unit and Downloading a Project
29
3.4 Configuring the Embedded PROFINET IO-Controller and its IO Devices on a
PROFINET Network ........................................................................................................... 31
3.5 Intelligent Display Module (IDM) - Basic Operations............................................... 32
3.6 IDM Operational Notes............................................................................................ 33
Chapter 4 Configuration................................................................................. 35
4.1 Configuring Controller Operation............................................................................. 36
4.1.1 Controller Settings Parameters......................................................................37
4.1.2 Controller Scan Parameters...........................................................................38
4.1.3 Controller Memory Parameters......................................................................41
4.1.4 Fault Parameters ...........................................................................................44
4.1.5 Scan Sets Parameters...................................................................................44
4.1.6 Modbus TCP Address Map............................................................................45
4.1.7 Access Control...............................................................................................46
4.2 Configuring the Embedded PROFINET IO-Controller (PNC) ................................. 47
4.2.1 System Planning for PROFINET Networks ...................................................47
4.2.2 Basic Configuration Steps..............................................................................48
4.2.3 Configuring the Embedded PNC ...................................................................48
4.2.4 Configuring PROFINET LANs........................................................................54
4.2.5 Adding a GE Intelligent Platforms PROFINET Scanner to a LAN.................56
4.2.6 Adding a Third-Party IO-Device to a LAN......................................................59
4.2.7 Viewing / Editing IO-Device Properties..........................................................63
4.2.8 Assigning IO-Device Names..........................................................................65
4.2.9 After the Configuration is Stored to the RXi CPU..........................................67
4.3 Configuring the Embedded Ethernet Interface........................................................ 68
4.3.1 Ethernet Interface Configuration Parameters................................................68
4.3.2 Pinging TCP/IP Ethernet Interfaces on the Network .....................................69
4.3.3 Terminals Tab................................................................................................69
4.4 Storing (Downloading) Hardware Configuration...................................................... 70
Chapter 5 CPU Operation............................................................................... 71
5.1 CPU Sweep............................................................................................................. 72
5.1.1 Parts of the CPU Sweep................................................................................73
5.1.2 CPU Sweep Modes........................................................................................75
5.2 Program Scheduling Modes.................................................................................... 78
5.3 Window Modes........................................................................................................ 78
5.4 Data Coherency in Communications Windows....................................................... 79
5.5 Run/Stop Operations............................................................................................... 80

Contents
GFK-2816F August 2015 iii
5.5.1 CPU Stop Modes ...........................................................................................81
5.5.2 Stop-to-Run Mode Transition.........................................................................82
5.6 Flash Memory Operation......................................................................................... 83
5.7 Logic/Configuration Source and CPU Operating Mode at Power-up...................... 84
5.8 Clocks and Timers................................................................................................... 86
5.8.1 Elapsed Time Clock.......................................................................................86
5.8.2 Time of Day Clock..........................................................................................86
5.8.3 Watchdog Timers...........................................................................................87
5.8.4 Timed Contacts..............................................................................................88
5.9 System Security....................................................................................................... 89
5.9.1 Passwords and Privilege Levels –Legacy Mode ..........................................89
5.9.2 OEM Protection –Legacy Mode....................................................................90
5.9.3 Enhanced Security for Passwords and OEM Protection ...............................91
5.9.4 Legacy/Enhanced Security Comparison........................................................92
5.10 PACSystems I/O System ........................................................................................ 93
5.10.1 I/O System Diagnostic Data Collection..........................................................93
5.11 Power-Up and Power-Down Sequences................................................................. 94
5.11.1 Power-Up Sequence......................................................................................94
5.11.2 Power-Down Sequence.................................................................................94
5.11.3 Retention of Data Memory across Power Failure..........................................95
Chapter 6 Program Organization ................................................................... 97
6.1 Structure of a PACSystems Application Program................................................... 98
6.1.1 Blocks.............................................................................................................98
6.1.2 Functions and Function Blocks......................................................................98
6.1.3 How Blocks Are Called ..................................................................................98
6.1.4 Nested Calls...................................................................................................99
6.1.5 Types of Blocks..............................................................................................99
6.1.6 Local Data....................................................................................................110
6.1.7 Parameter Passing Mechanisms.................................................................111
6.1.8 Languages ...................................................................................................112
6.1.9 RXi Controller Instruction Set.......................................................................112
6.2 Controlling Program Execution.............................................................................. 115
6.3 Interrupt-Driven Blocks.......................................................................................... 116
6.3.1 Interrupt Handling ........................................................................................116
6.3.2 Configuring Timed Interrupts .......................................................................117
6.3.3 Interrupt Block Scheduling...........................................................................117
Chapter 7 CPU Program Data....................................................................... 119
7.1 Variables................................................................................................................ 120
7.1.1 Mapped Variables........................................................................................120
7.1.2 Symbolic Variables ......................................................................................120

Contents
iv PACSystems* RXi Distributed IO Controller User Manual GFK-2816F
7.1.3 I/O Variables ................................................................................................121
7.1.4 Arrays...........................................................................................................123
7.1.5 Variable Indexes and Arrays........................................................................123
7.1.6 Ensuring that a Variable Index does not Exceed the Upper Boundary of an
Array.............................................................................................................125
7.2 Reference Memory................................................................................................ 126
7.2.1 Word (Register) References........................................................................126
7.2.2 Bit (Discrete) References.............................................................................128
7.3 User Reference Size and Default.......................................................................... 129
7.3.1 %G User References and CPU Memory Locations.....................................129
7.4 Transitions and Overrides..................................................................................... 130
7.5 Retentiveness of Logic and Data .......................................................................... 131
7.6 Data Scope............................................................................................................ 132
7.7 System Status References.................................................................................... 133
7.7.1 %S References............................................................................................133
7.7.2 %SA, %SB, and %SC References ..............................................................134
7.8 How Program Functions Handle Numerical Data ................................................. 136
7.8.1 Data Types...................................................................................................136
7.8.2 Floating Point Numbers ...............................................................................137
7.9 User Defined Types:.............................................................................................. 139
7.9.1 Working with UDTs ......................................................................................139
7.9.2 UDT Properties ............................................................................................139
7.9.3 UDT Limits ...................................................................................................140
7.9.4 Run Mode Store of UDTs.............................................................................140
7.9.5 UDT Operational Notes................................................................................140
7.10 Operands for Instructions...................................................................................... 141
7.11 Word-for-Word Changes....................................................................................... 142
Chapter 8 Gigabit Ethernet (GbE) Interface Overview and Operation....... 143
8.1 PACSystems Ethernet Interface Communications Features ................................ 144
8.2 Station Manager.................................................................................................... 144
8.3 IP Addressing........................................................................................................ 144
8.4 SRTP Server Operation ........................................................................................ 145
8.4.1 SRTP Inactivity Timeout ..............................................................................145
8.5 Modbus TCP Server Operation............................................................................. 146
8.5.1 Modbus Conformance Classes....................................................................146
8.5.2 Server Protocol Services .............................................................................146
8.5.3 Station Manager Support.............................................................................146
8.5.4 Reference Mapping......................................................................................146
8.5.5 Address Configuration .................................................................................148
8.5.6 Modbus Function Codes..............................................................................149

Contents
GFK-2816F August 2015 v
8.6 Client Communications via the Ethernet Interface................................................ 150
8.6.1 Structure of the Communications Request..................................................150
8.6.2 Controlling Communications in the Ladder Program...................................153
8.6.3 Monitoring the Communications Channel....................................................154
8.6.4 Troubleshooting a Ladder Program.............................................................155
8.6.5 Major and Minor Error Codes in the COMMREQ Status Word ...................156
8.7 Modbus TCP Client (Channels) Operation............................................................ 164
8.7.1 Operation of the Communications Request for Modbus Channels .............165
8.7.2 Modbus TCP Channel Commands..............................................................166
8.7.3 COMMREQ Example –Modbus TCP Channels .........................................182
8.7.4 PACSystems Modbus Client Endian Conversion Example.........................186
8.8 Ethernet Interface Diagnostics.............................................................................. 187
8.8.1 Diagnostics Tools.........................................................................................187
8.8.2 Troubleshooting Common Ethernet Difficulties ...........................................193
8.8.3 COMMREQ Flooding Can Interrupt Normal Operation ...............................196
8.8.4 Channels Operation Depends Upon Controller Input Scanning..................196
Chapter 9 PROFINET IO-Controller Overview............................................. 197
9.1 Ethernet Network Ports......................................................................................... 197
9.2 PROFINET Networks for PACSystems................................................................. 198
9.2.1 Basic System: One RXi Controller using a single port ................................198
9.2.2 Basic System: One RXi Controller using Multiple Ports ..............................199
9.2.3 Basic System: Third-Party Devices and Proficy Machine Edition Programmer200
9.3 Glossary of PROFINET Terms.............................................................................. 201
Chapter 10 PROFINET IO-Controller Operation............................................ 203
10.1 PROFINET Operation Overview ........................................................................... 204
10.1.1 PROFINET Communications.......................................................................204
10.1.2 Application Relationships.............................................................................204
10.1.3 Types of PROFINET Communications........................................................205
10.1.4 External Switch VLAN Priority Settings .......................................................205
10.2 Operations of the PROFINET IO-Controller in the RXi System............................ 206
10.2.1 Duplicate PROFINET Device IP Address....................................................206
10.2.2 Duplicate PROFINET IO-Controller IP Address ..........................................207
10.3 I/O Scanning.......................................................................................................... 208
10.4 Data Coherency..................................................................................................... 209
10.5 Performance Factors............................................................................................. 210
10.6 PROFINET IO Update Rate Configuration............................................................ 211
10.7 RXi CPU Operations for PROFINET..................................................................... 212
10.7.1 Reference ID Variables for the RXi Application...........................................212
10.7.2 PNIO_DEV_COMM Function Block.............................................................213
10.7.3 DO I/O for Remote IO Modules....................................................................214