GE GFK-1004B - page 215

TCP/IP Ethernet Communications User’s Manual – January 1996A-8 GFK-1004B

Transmission Control Protocol (TCP) The Internet standard connection-oriented

transport level protocol. See also Internet Protocol (IP).

Universal Address Administration See Global Address Administration.

Word A measurement of memory length, usually 4, 8, 16, or 32 bits long. In the Series

90 PLC, a word is always 16 bits.

Contents

Main Warnings, Cautions, and Notes as Used in this Publication Warning Preface Content of this Manual Page Page Section 1: Installing and Starting-Up the GSM 3-4 . . . . . . . . . . . . . . . . Section 2: Configuring a Station 3-17 . . . . . . . . . . . . . . . . . . . . . . . . . . . . Section 3: Downloading a Station 3-29 . . . . . . . . . . . . . . . . . . . . . . . . . . . Section 4: Accessing the Station Manager 3-32 . . . . . . . . . . . . . . . . . . . . Section 5: Using the GSM Support Functions 3-33 . . . . . . . . . . . . . . . . . Section 2: The COMMREQ Function Block and Command Block 4-6 Section 3: Channel Commands 4-9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Section 5: Controlling Communications in the Ladder Program 4-34 . Section 1: Accessing the Station Manager 5-2 . . . . . . . . . . . . . . . . . . . . Section 2: Using the Station Manager 5-5 . . . . . . . . . . . . . . . . . . . . . . . . Section 3: Command Descriptions 5-15 . . . . . . . . . . . . . . . . . . . . . . . . . . Page Page Page Page Page 1 figure bi level 1 table_big level 1 Figure 1-1. Major Components of the TCP/IP LAN 1-1 Chapter 1Introduction The Ethernet Interface Capabilities of the Ethernet Interface Attachment of the Ethernet Interface to the LAN The Ethernet Software The GEnet System Manager (GSM) The Configuration Editor The Downloader Access to the Station Manager on the Ethernet Interface 1-6 TCP/IP Ethernet Communications Users Manual January 1996 How to Make it Work * Quick Guide to the Manual 2 Chapter 2Installing the Ethernet Interface Ethernet Interface Hardware Overview 2-2 TCP/IP Ethernet Communications Users Manual January 1996 MODEL 70 CMM 741 Figure 2-1. Ethernet Controller Board Board Indicators Table 2-1. Ethernet Controller Board Indicators Restart Button Page 2 Procedure 1: Installing the Ethernet Controller Board in the PLC Equipment Required to Perform the Installation Procedures Ethernet Controller Board Installation Warning Ethernet Controller Board Installed in Series 90-70 PLC Rack Figure 2-2. Ethernet Controller Installation in the Series 90-70 PLC 2 Procedure 2: Verifying Proper Power-Up of the Ethernet Interface Using the GSM Access Station Manager Function States of the Ethernet Interface Figure 2-3. States of the Ethernet Interface 2 Powering-Up the Ethernet Interface 2-10 TCP/IP Ethernet Communications Users Manual January 1996 Problems During Power-Up 2 Procedure 3: Configuring the Ethernet Interface with Logicmaster 90-70 (PLC Module Configuration) To configure the Ethernet Interface: PLC Systems with CPU Firmware Version 5.03 or Later Page Configuration Mode: Status Address: Status Length: IP Address, Subnet Mask, Gateway Address, and Name Server IP Address: Page PLC Systems with CPU Firmware Versions Prior to 5.03 Page Page Page Procedure 4: Configuring and Downloading a Station Configuring a Station 2 Downloading a Station When Must a Station Be Downloaded? Setting-Up the GSM and the Ethernet Interface for the Download Initiating the Download Local Downloading Network Downloading Problems During the Download How to Issue the LOAD Command from the Station Manager Procedure 5: Testing the Ethernet Interfaces on the Network Field Network Test Utility Invoking the Field Network Test Utility Running Field Network Test Page Page Page Procedure 6: Pinging the TCP/IP Interfaces on the Network Page 3 Chapter 3The GEnet System ManagerStation Configuration Figure 3-1. GEnet System Manager (GSM) on 802.3 LAN What is the GSM? The primary GSM functions are: The GSM also provides the following support functions. Why Does a Station Have to be Configured and Downloaded? 3 Connecting the GSM to the LAN Interface Section 1: Installing and Starting-Up the GSM Hardware Requirements 3 Installing the PC Network Card (for Network GSM Operation) Table 3-1. 802.3/Ethernet Cards for the PC Table 3-2. Default PC Hardware Settings for 802.3/Ethernet Cards Installing the GEnet System Manager (GSM) Software Page Setting-Up DOS System Files Local GSM Operation (Exclusively) Network GSM Operation (or Both Local and Network) Checking for Existing NDIS Applications on Your PC When the GSM is the Only NDIS Application on the PC When an NDIS Application Already Exists Page Unusual Procedures Updating or Adding to Existing GSM Software Changing the PC Network Card 3 Starting-Up the GSM Figure 3-2. GSM Main Menu Working Your Way through the GSM Menus GSM Keyboard Functions Table 3-3. GSM Keyboard Functions (Alt-K) 3-16 TCP/IP Ethernet Communications Users Manual January 1996 GSM Menu Structure Advanced Parameters Menu Figure 3-3. GSM Menu Structure The menu structure of the of the GEnet System Manager software is shown below. GSM Main Menu 3 Section 2: Configuring a Station Information Needed to Configure a TCP/IP Ethernet Interface Station Configure a Station Screen Figure 3-4. Configure a Station Screen Creating a Station Configuration File Field Definitions for the Configure a Station Screen Page Selecting a Station Configuration File Deleting a Station Configuration File Structure of the MAC Address 3 Configuration Editor Menu for Series 90-70 PLCs Figure 3-5. Configuration Editor Menu Saving Changes Before Exiting the Configuration Editor Main Menu TCP/IP Parameters Screen Figure 3-6. TCP/IP Parameters Screen Determining If an IP Address Has Already Been Used Precedence of TCP/IP Parameter Sources Page 3 Data Link Parameters Screen Figure 3-8. Data Link Parameters Screen The Data Link Parameters are defined as follows: Page 3 System Parameters Screen Figure 3-9. System Parameters Screen Memory Pool Allocation Parameters The ranges for the Buffer Pool Parameter values are: The Station Manager Parameters are as follows: 3 Section 3: Downloading a Station Download Station Screen Figure 3-10. Download Station Screen Downloading Locally (Over the Serial Port) Downloading Over the Network Page Page 3 Section 5: Using the GSM Support Functions List All Stations Screen Figure 3-12. List All Stations Screen Page 3 Setup GSM Menu Figure 3-13. Setup GSM Menu Changing the GSM Password Screen Page 4 Chapter 4Programming Communications Requests Section 1: The Communications Request Structure of the Communications Request Figure 4-1. Elements of the Communications R equest COMMREQ Function Block COMMREQ Command Block Channel Commands Advantages of Channel Commands Status Data LAN Interface Status Bits (LIS Bits): Channel Status Bits: COMMREQ Status Word (CRS Word): Detailed Channel Status Words (DCS Words): 4 Operation of the Communications Request Figure 4-2. Operation of the Communications Request for an Establish R ead Channel- Command Section 2: The COMMREQ Function Block and Command Block The COMMREQ Function Block Enable: Control logic for activating the COMMREQ Function Block. See Section 5 and IN: SYSID: 4 TASK: OK Output: FT Output: The COMMREQ Command Block COMMREQ Status Word: (Word 3) COMMREQ Status Word Pointer Memory Type: (Word 4) COMMREQ Status Word Pointer Offset: This word contains the offset within 4 Section 3: Channel Commands Establishing a Channel Aborting and Re-tasking a Channel Retrieving Detailed Status on the Channel Specifying the Location of the Channel Status 4 Establish Read Channel (2003) (Word 7) Channel Command Number: (Word 8) Channel Number: Word 8 specifies the channel to be used for the read. This value (Word 9) Number of Read Repetitions: (Word 10) Time Units for Read Period: Table 4-1. Time Unit Values for Read/Write Repetition Period (Word 11) Number of Time Units for Read Period: Table 4-2. Series 90-70 PLC Memory Types (Word 14) Local PLC - Memory Starting Address: W ord 14 specifies the starting address in (Word 15) Remote PLC - Memory Type: (Word 16) Remote PLC - Memory Starting Address: Word 16 specifies starting address in (Word 17) Remote PLC - Number of Memory Units: Word 17 specifies the number of (Word 18) R emote PLC - PLC (Node) Address Type: (Word 19) R emote PLC - PLC (Node) Address Length: (Words 20-23) Remote PLC - PLC (Node) IP Address: Words 20-23 specify the four Words 24 - 27 Remote PLC - Program Name: Word 28 - 31 Remote PLC - Program Block Name: 4 Establish Write Channel (2004) (Word 7) Channel Command Number: (Word 8) Channel Number: Word 8 specifies the channel to be used for the write. This (Word 9) Number of Write Repetitions: (Word 10) Time Units for Write Period: (Word 11) Number of Time Units for Write Period: (Word 12) Timeout for Each Write: (Word 14) Local PLC - Memory Starting Address: Word 14 specifies the starting address (Word 15) Remote PLC - Memory Type: (Word 16) Remote PLC - Memory Starting Address: Word 16 specifies starting address in (Word 17) Remote PLC - Number of Memory Units: Word 17 specifies the number of (Word 18) R emote PLC - PLC (Node) Address Type: Send Information Report (2010) Example Command Block (Word 7) Channel Command Number: (Word 8) Channel Number: Word 8 specifies the channel to be used for the send. This (Word 9) Number of Send Repetitions: (Word 10) Time Units for Send Period: (Word 11) Number of Time Units for Send Period: (Word 12) Timeout for Each Send: (Word 14) Local PLC - Memory Starting Address: Word 14 specifies the starting address Page 4 Abort Channel (2001) (Word 7) Channel Command Number: (Word 8) Channel Number: The channel number specifies the channel to be Retrieve Detailed Channel Status (2002) (Word 7) Channel Command Number: (Word 8) Channel Number: The channel number in Word 8 specifies the channel whose (Word 9) Local PLC - Memory Type: (Word 10) Local PLC - Memory Starting Address: Starting address to store the Detailed Assign Channel Status Vector (2000) Example Command Block (Word 7) Channel Command Number: (Word 8) Memory Type: (Word 9) Starting Address: 4 Section 4: Status Data Types of Status Data Description of the Status Data OK Output of the COMMREQ Function Block FT Output of the COMMREQ Function Block Status Bits Table 4-3. Status Bits (LIS Bits and Channel Status Bits) (Status Bit 8) AUI Fuse Blown: This bit is set to 1 when the AUI Fuse is blown. Other- (Status Bit 9) Any Channel Error: (Status Bit 13) LAN OK: This input will be held at the value 1 as long as the Ethernet (Status Bit 14) Resource Problem: Each channel has a dedicated pair of bits as follows: (Status Bits 17, 19, 21 ... 47) Data Transfer Bit: This bit is normally set to 0. It is pulsed (Status Bits 18, 20, 22 ... 48) Channel Error Bit: This bit is set to 1 when an error is de- Communications Status Words Figure 4-3. Format of the COMMREQ Status Word (CRS Word) Figure 4-4. Format of the Detailed Channel Status Words (DCS Words) Table 4-4. Major Error Codes 4 4-31 Minor Error Codes Error Status Service Request Error Description 4-32 TCP/IP Ethernet Communications Users Manual January 1996 Table 4-5. Minor Error Codes for Major Error Codes 5H and 85H (Continued) Error Status Service Request Error Description Table 4-6. Minor Error Codes for Major Error Code 11H (at Remote Ser ver PLC) Error Status SRTP Error Description 4-33 Table 4-7. Minor Error Codes for Major Error Code 90H (at Client PLC) Error Status Application Interface Error Description Section 5: Controlling Communications in the Ladder Program Essential Elements of the Ladder Program 4-35 GFK-1004B Chapter 4 Programming Communications Requests Page 4 Troubleshooting Your Ladder Program FT Output is ON COMMREQ Status Word is Zero (0) and FT Output is OFF COMMREQ Status Word is Not One (1) Monitoring the Communications Channel Monitoring the COMMREQ Status Word Monitoring the Channel Error Bit Monitoring the Data Transfer Bit 4 Sequencing Communications Requests Data Transfers with One Repetition 5 Chapter 5The Station Manager Station Manager Services Section 1: Accessing the Station Manager 5 Accessing the Station Manager Using the GSM Accessing the Station Manager Using an ASCII Terminal Remote Operation of the Station Manager 5 Section 2: Using the Station Manager Using the Monitor Commands Table 5-1. Monitor Commands 5 Using the Monitor Commands to Troubleshoot the Network Using the Modify Commands Table 5-2. Modify Commands Date and Time Station Manager Command Syntax 5 Task Identification Table 5-3. Task Identifiers Display Data Representation Numeric Values Byte String Values IP Address 5 Station Manager in Utility Programs Soft Switch Entry Utility Table 5-4. Field Network Test Utility 5-14 TCP/IP Ethernet Communications Users Manual January 1996 Table 5-5. Field Network Test Utility Commands Command Restrictions 5 Section 3: Command Descriptions Command Input Processing Table 5-6. Control Characters CHANNEL Command BPS Command CHBPS Command CHDATE Command CHLTIME Command CHSOSW Command Table 5-7. Load Source Parameters Table 5-8. CHTIME Command CLEAR Command CLSOSW Command DATE Command EXS Command HELP Command Page LOAD Command LOG Command Table 5-9. Log Event Definitions LOGIN Command LOGOUT Command LTIME Command NET Command NODE Command OK Command PING Command PROG Command REM Command REPORT Command Interpretation of Test Results REPP Command RESTART Command SHOW Command 5-32 TCP/IP Ethernet Communications Users Manual January 1996 Configuration Parameters Table 5-10. Configuration Parameters Parameter Description Default Value 5-33 Table 5-10. Configuration Parameters - Continued Parameter Description Default Value SOSW Command STAT Command STOPP Command STOPT Command TALLY Command Table 5-11. PLC Driver Tallies (Tally c) 5-37 Table 5-12. Address Resolution Protocol (ARP) Driver Tallies (Tally f) Table 5-13. Channel API Tallies (Tally h) 5-38 TCP/IP Ethernet Communications Users Manual January 1996 Table 5-14. Internet Protocol (IP) Tallies (Tally i) 5-39 Table 5-15. Internet Control Message Protocol (ICMP) Tallies (Tally j) 5-40 TCP/IP Ethernet Communications Users Manual January 1996 Table 5-17. MAC Layer Tallies (part of Tally l) 5-41 Table 5-18. Service Request Transfer Protocol (SRTP) Server Tallies (Tally v) Table 5-19. Transmission Control Protocol (TCP) Tallies (Tally w) TEST Command TIME Command TRACE Command Page 6 Chapter 6Troubleshooting Overview Table 6-1. Ethernet Interface Diagnostic Tools Using this Chapter Page Figure 6-1. Determining the State of the Ethernet Interface What to do if you Cannot Solve the Problem 6 The Power-Up State Table 6-2. Power-Up State The Soft Switch Entry State The Field Network Test State Table 6-4. Field Network Test State 6 The Loader State Table 6-5. Loader State The Operational State Table 6-6. Operational State Troubleshooting When STATUS OK LED is OFF Troubleshooting When the STATUS OK LED is ON Table 6-7. Troubleshooting with ONLINE LED OFF 6-10 TCP/IP Ethernet Communications Users Manual January 1996 Table 6-8. Troubleshooting with ONLINE LED ON LED Indicators Possible Cause and Resolution Exception Log Event Error Codes Table 6-9. Exception Log Event Definitions Log Event Cause 6-11 Table 6-10. Exception Log Event Codes 6-12 TCP/IP Ethernet Communications Users Manual January 1996 Table 6-10. Exception Log Event Codes - Continued 6-13 6-14 TCP/IP Ethernet Communications Users Manual January 1996 6-15 6-16 TCP/IP Ethernet Communications Users Manual January 1996 6-17 6-18 TCP/IP Ethernet Communications Users Manual January 1996 6-19 6-20 TCP/IP Ethernet Communications Users Manual January 1996 6-21 6-22 TCP/IP Ethernet Communications Users Manual January 1996 6-23 6-24 TCP/IP Ethernet Communications Users Manual January 1996 6-25 6-26 TCP/IP Ethernet Communications Users Manual January 1996 6-27 6-28 TCP/IP Ethernet Communications Users Manual January 1996 6-29 6-30 TCP/IP Ethernet Communications Users Manual January 1996 6-31 6-32 TCP/IP Ethernet Communications Users Manual January 1996 6-33 6-34 TCP/IP Ethernet Communications Users Manual January 1996 6-35 6-36 TCP/IP Ethernet Communications Users Manual January 1996 A Appendix AGlossary Commonly Used Acronyms and Abbreviations Glossary of Terms Page Page Page Page Page Page B Appendix BCommunications Ports Characteristics What this Appendix Contains Serial Port for Local GSM Communications Serial Port Settings Serial Cable Figure B-1. Serial Cable to Connect GSM (25Pin Connector) to Ethernet Interface Figure B-2. Serial Cable to Connect GSM (9Pin Connector) to Ethernet Interface Display Terminal Settings The AUI Port for the Ethernet Interface Ethernet AUI Port Pinouts Table B-2. Pinouts of the AUI Port TCP/IP Ethernet Communications Users Manual January 1996B-4 GFK-1004B AUI (Transceiver Cable) Figure B-4. 10Base2 Transceiver Configuration Figure B-3. Transceiver Cable Connection Transceiver Description PWR SQE XMT RCV CP Table B-3. 10Base5 Transceiver Configuration C Appendix CSoft Switch Parameters Config Mode Station Address Load Source LAN Online Backplane Online Network Load Address TCP/IP Ethernet Communications Users Manual January 1996C-4 GFK-1004B Modify Soft Switch Settings Table C-1. Soft Switch Settings Parameter Description Configuring Soft Switch Parameters Configuring Soft Switch Parameters Using the GSM Page Correct Results of Soft Switch Configuration D Appendix DSample DOS System Files TCP/IP Ethernet Communications Users Manual January 1996D-2 GFK-1004B 3Com Etherlink II D-3 3Com Etherlink 3 TCP/IP Ethernet Communications Users Manual January 1996D-4 GFK-1004B 3Com Etherlink 16 D-5 3Com Etherlink /MC TCP/IP Ethernet Communications Users Manual January 1996D-6 GFK-1004B Western Digital EtherCard PLUS, EtherCard PLUS Elite 16, EtherCard PLUS/A D-7 Intel 82593 TCP/IP Ethernet Communications Users Manual January 1996D-8 GFK-1004B Xircom Pocket Adapter (PE2) D-9 Xircom Pocket Adapter (PE3) TCP/IP Ethernet Communications Users Manual January 1996 D-10 SMC EtherCard PLUS, EtherCard PLUS Elite 16, EtherCard PLUS/A D-11 IBM PCMCIA Optimizing the GSM for Network Operation E E-1 Appendix EGEnet System Manager Data Link Error Codes Table E-1. GEnet System Manager Data Link Error Codes Error Code Description E TCP/IP Ethernet Communications Users Manual January 1996 E-2 Table E-1. GEnet System Manager Data Link Error Codes - Continued Error Code Description E E-3 Table E-2. NDIS Error Codes Error Code (hexadecimal) Description F Appendix FNetwork Test Form Test Form Network Test Data Sheet G Appendix GAdvanced Information About IP and MAC Addresses IP Addresses Figure G-1. IP Address Format for Network Classes A, B, C Gateways A BCG Figure G-2. Connecting Two Networks with a Gateway Subnets A E C B MAC Addresses H Appendix HSample Ladder Program TCP/IP Ethernet Communications Users Manual January 1996 H-2 H-3 TCP/IP Ethernet Communications Users Manual January 1996 H-4 H-5 TCP/IP Ethernet Communications Users Manual January 1996 H-6 H-7 TCP/IP Ethernet Communications Users Manual January 1996 H-8 H-9 TCP/IP Ethernet Communications Users Manual January 1996 H-10 H-11 TCP/IP Ethernet Communications Users Manual January 1996 H-12 Page A B C D E F G H I K L M N O P Q R S T U V W X