GE RX3i PROFINET User manual

GE
Automation & Controls
Programmable Control Products
PACSystems* RX7i &
RX3i TCP/IP Ethernet
Communications User
Manual
GFK
-2224Q
April 2017

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GFK-2224Q January 2017 iii
Table of Contents
Contact Information .......................................................................................................................................................... ii
Table of Contents .............................................................................................................................................................. iii
Table of Figures...................................................................................................................................................................xi
Chapter 1 Introduction ................................................................................................................................... 1
1.1 Revisions in this Manual ............................................................................................................................. 2
1.2 Other PACSystems Manuals....................................................................................................................... 2
1.3 Ethernet Interfaces for PACSystems Controllers................................................................................... 3
Rack-based and RX7i Embedded Interfaces - Features ...........................................................................3
RX3i Embedded Ethernet Interface - Features ..............................................................................................4
Ethernet Interface Specifications..........................................................................................................................5
Ethernet Interface Ports .............................................................................................................................................8
Station Manager.............................................................................................................................................................8
Firmware Upgrades......................................................................................................................................................8
Built-In Web Server.......................................................................................................................................................9
SRTP Client (Channels).................................................................................................................................................9
Modbus TCP Client (Channels).................................................................................................................................9
Ethernet Global Data (EGD).......................................................................................................................................9
SRTP Inactivity Timeout ...........................................................................................................................................10
1.4 Ethernet Redundancy Operation ............................................................................................................ 11
HSB CPU Redundancy..............................................................................................................................................11
Non-HSB Redundancy .............................................................................................................................................12
Effect of Redundancy Role Switching on Ethernet Communications............................................. 12
SRTP Server Operation in a Redundancy System...................................................................................... 13
SRTP Client Operation in a Redundancy System........................................................................................ 14
Modbus TCP Server Operation in a Redundancy System...................................................................... 14
Modbus TCP Client Operation in a Redundancy System ....................................................................... 14
EGD Class 1 (Production & Consumption) in a Redundancy System............................................... 14
EGD Class 2 Commands in a Redundancy System .................................................................................. 14
Web Server Operation in a Redundancy System....................................................................................... 15
FTP Operation in a Redundancy System........................................................................................................ 15
SNTP Operation in a Redundancy System .................................................................................................... 15
Remote Station Manager Operation in a Redundancy System ......................................................... 15
IP Address Configuration in a Redundancy System................................................................................. 15
Chapter 2 Installation and Start-up: RX3i Embedded Interface ........................................................... 16
2.1 RX3i Embedded Ethernet Interface Indicators ..................................................................................... 16
Ethernet Port LEDs Operation .............................................................................................................................. 16
Module Installation .................................................................................................................................................... 17

Contents
iv PACSystems* RX7i & RX3i TCP/IP Ethernet Communications User Manual GFK-2224Q
2.2 Ethernet Port Connector........................................................................................................................... 17
Connection to a 10Base-T / 100Base Tx Network .................................................................................... 18
10Base-T/100Base Tx Port Pinouts................................................................................................................... 18
2.3 Pinging TCP/IP Ethernet Interfaces on the Network ........................................................................... 19
Pinging the Ethernet Interface from a UNIX Host or Computer Running TCP/IP Software. 19
Determining if an IP Address is Already Being Used................................................................................ 19
Chapter 3 Installation and Start-up: Rack-based and RX7i Embedded Interface ............................. 20
3.1 Ethernet Interface Controls and Indicators.......................................................................................... 21
Ethernet LEDs................................................................................................................................................................21
Ethernet Restart Pushbutton................................................................................................................................ 23
3.2 Module Installation.................................................................................................................................... 24
Installing an RX7i CPU with Embedded Ethernet Interface .................................................................. 24
Installing an RX7i Ethernet Interface Module............................................................................................... 24
Installing an RX3i Ethernet Interface Module............................................................................................... 25
3.3 Ethernet Port Connectors......................................................................................................................... 26
Embedded Switch.......................................................................................................................................................26
Connection to a 10Base-T / 100Base Tx Network .................................................................................... 27
3.4 Station Manager Port................................................................................................................................ 29
Port Settings ..................................................................................................................................................................29
3.5 Verifying Proper Power-Up of the Ethernet Interface after Configuration..................................... 30
3.6 Pinging TCP/IP Ethernet Interfaces on the Network ........................................................................... 30
Pinging the Ethernet Interface from a UNIX Host or Computer Running TCP/IP Software. 30
Determining if an IP Address is Already Being Used................................................................................ 31
3.7 Ethernet Plug-in Applications.................................................................................................................. 31
Chapter 4 Configuration............................................................................................................................... 33
4.1 RX3i Embedded Ethernet Interfaces....................................................................................................... 33
Ethernet Configuration Data ................................................................................................................................ 33
Initial IP Address Assignment ............................................................................................................................... 34
Configuring the Ethernet Interface Parameters.........................................................................................35
4.2 Rack-based and RX7i Embedded Interfaces ......................................................................................... 47
Ethernet Configuration Data ................................................................................................................................ 47
Initial IP Address Assignment ............................................................................................................................... 48
Configuring Ethernet Interface Parameters.................................................................................................51
Configuring Ethernet Global Data...................................................................................................................... 54
Chapter 5 Ethernet Global Data.................................................................................................................. 69
5.1 Ethernet Global Data Operation ............................................................................................................. 70
EGD Producer................................................................................................................................................................70

Contents
GFK-2224Q January 2017 v
EGD Consumers...........................................................................................................................................................70
5.2 EGD Exchanges........................................................................................................................................... 71
Content of an Ethernet Global Data Exchange...........................................................................................71
Data Ranges (Variables) in an Ethernet Global Data Exchange ........................................................ 71
Valid Memory Types for Ethernet Global Data............................................................................................72
Planning Exchanges..................................................................................................................................................72
Using Ethernet Global Data in a Redundancy System............................................................................ 73
5.3 Sending an Ethernet Global Data Exchange to Multiple Consumers............................................... 73
Multicasting Ethernet Global Data ....................................................................................................................73
Broadcasting Ethernet Global Data..................................................................................................................74
Changing Group ID in Run Mode........................................................................................................................ 74
5.4 Ethernet Global Data Timing ................................................................................................................... 75
EGD Synchronization ................................................................................................................................................75
Configurable Producer Period for an EGD Exchange .............................................................................. 76
Consumer Update Timeout Period.................................................................................................................... 76
5.5 Time-Stamping of Ethernet Global Data Exchanges........................................................................... 77
Obtaining Timestamps from the Ethernet Interface Clock................................................................... 78
Obtaining Timestamps from the CPU TOD Clock....................................................................................... 79
SNTP Operation............................................................................................................................................................ 86
5.6 Effect of PLC Modes and Actions on EGD Operations ......................................................................... 88
Run Mode Store of EGD ...........................................................................................................................................89
5.7 Monitoring Ethernet Global Data Exchange Status ............................................................................ 92
Exchange Status Word Error Codes.................................................................................................................. 93
Chapter 6 Programming EGD Commands ................................................................................................ 94
6.1 General Use of EGD Commands.............................................................................................................. 94
6.2 Using EGD Commands in a Redundancy System................................................................................. 94
6.3 COMMREQ Format for Programming EGD Commands ...................................................................... 94
6.4 COMMREQ Status for the EGD Commands ........................................................................................... 95
COMMREQ Status Values........................................................................................................................................95
6.5 Read PLC Memory (4000) .......................................................................................................................... 96
Read PLC Memory Command Block................................................................................................................. 96
6.6 Write PLC Memory (4001) ......................................................................................................................... 99
Write PLC Memory Command Block.................................................................................................................99
6.7 Read EGD Exchange (4002).....................................................................................................................101
Read EGD Exchange Command Block ..........................................................................................................101

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vi PACSystems* RX7i & RX3i TCP/IP Ethernet Communications User Manual GFK-2224Q
6.8 Write EGD Exchange (4003)....................................................................................................................104
Write EGD Exchange Command Block..........................................................................................................104
6.9 Masked Write to EGD Exchange (4004) ................................................................................................106
Masked Write EGD Exchange Command Block........................................................................................106
Chapter 7 Programming SRTP Channel Commands .............................................................................110
7.1 SRTP Channel Commands ......................................................................................................................110
Channel Operations.................................................................................................................................................111
Aborting and Re-tasking a Channel................................................................................................................111
Monitoring the Channel Status..........................................................................................................................111
SRTP Channel Commands in a Redundant System................................................................................111
Executing a Channel Command.......................................................................................................................112
7.2 COMMREQ Format for Programming Channel Commands .............................................................113
The COMMREQ Command Block: General Description.........................................................................114
Establish Read Channel (2003) ..........................................................................................................................116
Establish Write Channel (2004)..........................................................................................................................120
Send Information Report (2010)........................................................................................................................123
Abort Channel (2001) ..............................................................................................................................................125
Retrieve Detailed Channel Status (2002) ......................................................................................................126
7.3 Programming for Channel Commands................................................................................................127
COMMREQ Sample Logic ......................................................................................................................................128
Sequencing Communications Requests.......................................................................................................130
Managing Channels and TCP Connections.................................................................................................130
Use “Channel Re-Tasking” To Avoid Using Up TCP Connections.....................................................131
Client Channels TCP Resource Management ............................................................................................131
SRTP Application Timeouts ..................................................................................................................................132
7.4 Monitoring Channel Status ....................................................................................................................132
Format of the COMMREQ Status Word .........................................................................................................132
Chapter 8 Modbus/TCP Server ..................................................................................................................135
8.1 Modbus/TCP Server .................................................................................................................................135
Modbus/TCP Server Connections.....................................................................................................................135
Modbus Conformance Classes..........................................................................................................................135
Server Protocol Services........................................................................................................................................135
Station Manager Support.....................................................................................................................................135
8.2 Reference Mapping..................................................................................................................................135
Modbus Reference Tables....................................................................................................................................136
Address Configuration ...........................................................................................................................................137

Contents
GFK-2224Q January 2017 vii
8.3 Modbus Function Codes..........................................................................................................................138
Chapter 9 Modbus/TCP Client ...................................................................................................................139
9.1 The Communications Request...............................................................................................................139
Structure of the Communications Request ................................................................................................140
COMMREQ Function Block ...................................................................................................................................140
COMMREQ Command Block................................................................................................................................140
Modbus/TCP Channel Commands...................................................................................................................140
Status Data ..................................................................................................................................................................141
Operation of the Communications Request...............................................................................................142
9.2 COMMREQ Function Block and Command Block ...............................................................................143
The COMMREQ Function Block ..........................................................................................................................143
The COMMREQ Command Block ......................................................................................................................144
9.3 Modbus/TCP Channel Commands ........................................................................................................145
Open a Modbus/TCP Client Connection (3000) .........................................................................................145
Close a Modbus/TCP Client Connection (3001) .........................................................................................147
Read Data from a Modbus/TCP Device (3003) ..........................................................................................148
Write Data to a Modbus/TCP Device (3004)................................................................................................154
Mask Write Register Request to a Modbus Server Device (3009)....................................................158
Read/Write Multiple Registers to/from a Modbus Server Device (3005) .....................................159
9.4 Status Data ...............................................................................................................................................161
Types of Status Data...............................................................................................................................................161
9.5 Controlling Communications in the Ladder Program.......................................................................162
Essential Elements of the Ladder Program.................................................................................................162
COMMREQ Ladder Logic Example ...................................................................................................................163
Troubleshooting a Ladder Program................................................................................................................169
Monitoring the Communications Channel ..................................................................................................170
9.6 Differences between Series 90 and PACSystems Modbus/TCP Channels.....................................171
Chapter 10 OPC UA Server ...........................................................................................................................173
10.1 Application Logic to Control the OPC UA Server................................................................................174
OPC UA Server Service Request ........................................................................................................................174
OPC UA Server Subroutine...................................................................................................................................182
Connect OPC UA Client to OPC UA Server....................................................................................................184
OPC UA Client Authentication Settings .........................................................................................................187
Anonymous Authentication.................................................................................................................................187
Username/Password Authentication.............................................................................................................188
OPC UA Security Settings......................................................................................................................................190
OPC UA Address Space..........................................................................................................................................190
Publish Application Variables to OPC UA Address Space....................................................................191
OPC UA Server Information in Address Space...........................................................................................192
OPC UA Server – Application Information....................................................................................................194

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viii PACSystems* RX7i & RX3i TCP/IP Ethernet Communications User Manual GFK-2224Q
OPC UA Server – GE Device Information ......................................................................................................195
OPC UA Automatic Restart Function ..............................................................................................................196
OPC UA Server Certificates ..................................................................................................................................196
OPC UA Performance Considerations............................................................................................................197
Sessions and Subscriptions for OPC UA........................................................................................................197
Chapter 11 RX7i PLC Monitoring Via the Web ..........................................................................................199
11.1 System Requirements .............................................................................................................................199
11.2 Disabling Pop-up Blocking .....................................................................................................................199
11.3 Web Server Operation in a Redundant System..................................................................................199
11.4 Standard Web Pages ...............................................................................................................................199
RX7i Home Page........................................................................................................................................................200
Factory Default Web Page...................................................................................................................................200
Reference Tables Viewer Page ..........................................................................................................................200
PLC Fault Table Viewer Page ..............................................................................................................................202
I/O Fault Table Viewer Page................................................................................................................................204
11.5 Downloading PLC Web Pages................................................................................................................204
FTP Connect and Login..........................................................................................................................................204
Changing the Password........................................................................................................................................205
Web Page File Transfer..........................................................................................................................................205
11.6 Viewing the RX7i PLC Web Pages..........................................................................................................206
Chapter 12 Diagnostics.................................................................................................................................207
12.1 What to do if You Cannot Solve the Problem......................................................................................207
12.2 Diagnostic Tools Available for Troubleshooting................................................................................208
12.3 States of the Ethernet Interface (Rack-based and RX7i Embedded Interfaces)...........................209
12.4 EOK LED Blink Codes for Hardware Failures (Rack-based and RX7i Embedded Interfaces)......211
12.5 Controller Fault Table .............................................................................................................................212
Controller Fault Table Descriptions.................................................................................................................212
12.6 Monitoring the Ethernet Interface Status Bits ...................................................................................214
LAN Interface Status (LIS) Bits ............................................................................................................................217
Channel Status Bits..................................................................................................................................................218
12.7 Monitoring the FT Output of the COMMREQ Function Block. ..........................................................219
12.8 Monitoring the COMMREQ Status Word..............................................................................................219
Format of the COMMREQ Status Word .........................................................................................................220
Major Error Codes in the COMMREQ Status Word...................................................................................221
Minor Error Codes for Major Error Codes 05H (at Remote Server PLC) and 85H (at Client PLC)
............................................................................................................................................................................................222
Minor Error Codes for Major Error Code 11H (at Remote Server PLC)...........................................224

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GFK-2224Q January 2017 ix
Minor Error Codes for Major Error Code 90H (at Client PLC) ..............................................................226
Minor Error Codes for Major Error Code 91H (at Remote Modbus/TCP Server) .......................228
Minor Error Codes for Major Error Code A0H (at Client PLC)..............................................................229
12.9 Using the EGD Management Tool (Rack-based and RX7i Embedded)............................................230
Installing the EGD Management Tool ............................................................................................................230
Launching the EGD Management Tool .........................................................................................................230
Monitoring EGD Devices........................................................................................................................................231
Monitoring Status of Ethernet Global Data for a Device......................................................................232
12.10 Troubleshooting Common Ethernet Difficulties ................................................................................234
COMMREQ Fault Errors ..........................................................................................................................................234
PLC Timeout Errors...................................................................................................................................................235
Application Timeout Errors ..................................................................................................................................236
EGD Configuration Mismatch Errors...............................................................................................................236
Station Manager Lockout under Heavy Load............................................................................................237
PING Restrictions.......................................................................................................................................................237
SRTP and Modbus/TCP Connection Timeout .............................................................................................237
Sluggish Programmer Response after Network Disruption...............................................................238
EGD Command Session Conflicts.....................................................................................................................238
SRTP Request Incompatibility with Existing Host Communications Toolkit Devices or Other
SRTP Clients..................................................................................................................................................................238
COMMREQ Flooding Can Interrupt Normal Operation..........................................................................238
Accelerated EGD Consumption Can Interfere with EGD Production.............................................239
Channels Operation Depends Upon PLC Input Scanning ...................................................................239
Chapter 13 Network Administration ..........................................................................................................241
13.1 IP Addressing ............................................................................................................................................241
IP Address Format for Network Classes A, B, C.........................................................................................241
IP Addresses Reserved for Private Networks.............................................................................................242
Multicast IP Addresses ...........................................................................................................................................242
Loopback IP Addresses..........................................................................................................................................242
Overlapping Subnets ..............................................................................................................................................242
13.2 Gateways ...................................................................................................................................................245
Networks Connected by a Gateway...............................................................................................................245
13.3 Subnets and Supernets ...........................................................................................................................245
Subnet Addressing and Subnet Masks..........................................................................................................246
Appendix A Configuring Advanced User Parameters..............................................................................................251
A-1 Format of the Advanced User Parameters File ..................................................................................252
A-2 Advanced User Parameter Definitions ................................................................................................254
A-3 AUPs Supported by RX3i CPE305/CPE310 Embedded Ethernet Interface .....................................261