Series 90-70, Factory LAN TCP/IP Ethernet Controller
Contents
1. Some PLC Fault Table Entries are Misleading When looking into the PLC Fault Table the following messages pointing to the slot of the Ethernet Interface may not provide a meaningful description of the problem E LAN PROM software mismatch running soft Sw util Unsupported feature in configuration E LAN system software fault resuming E LAN Severe Network Problem Attempting Recovery Should you see these messages in IC641 programming software select the message and press F10 ZOOM or CTRL F to display the error codes associated with the message Then refer to the User s Manual Chapter 6 Troubleshooting for an accurate explanation of the error codes SQE Enable The Factory LAN Ethernet Interface IC697CMM741 requires that the SQE test be enabled on the transceiver connecting it to the Ethernet LAN Make sure your transceiver has SQE enabled Using TCP IP Software on Older Ethernet Interfaces The older EM7A1 hardware 44A730817 GO1 R07 requires a hardware modification to supply 12Vdc to an external transceiver If you are upgrading your EM7A1 from using MMS Ethernet software to TCP IP software your Ethernet Interface may need to be modified or replaced GSM Operation With Other Network Software The GSM PC software cannot operate if the Pathways network access software from Wollongong is already installed A separate AUTOEXEC BAT CONFIG SYS and PROTOCOL INI for each is required There may also be c2. Interfaces By Ethernet Interface TCP software we mean either IC651ENS042 or CE651ENS042 Version 2 10 is required to support the Unsolicited Messages feature The following minimum CPU and IC641 version numbers apply for the C697 Ethernet Interface while using IC641 programming software in MMS Ethernet configuration mode This configuration mode is the only way for CPU 780 CPU 788 or CPU 789 customers to use client server functions For all other CPU models TCP IP configuration mode as described above will provide simpler operation CPU CPU IC641SWP IC641CTL Ethernet Ethernet Ethernet model f w s w s w Interface Interface Interface firmware TCP software 731 732 IC697CMM741K 711 772 IC697CMM741K 915 925 6 00 6 02 100 IC697CMM741K_ version2 00 version2 00 See the Field Upgrade Kit description above for information on upgrading existing Ethernet Interfaces By Ethernet Interface software we mean either IC651ENS042 or CE651ENS042 Version 2 10 is required to support the Unsolicited Messages feature Please note that using MMS Ethernet configuration mode requires the user to program an additional Assign Channel Status Vector COMMREQ function to be able to use the sixty four 64 Channel Status bits Refer to the User s Manual for more details Microsoft Windows Windows NT and Visual Basic are registered trademarks of Microsoft Corporation DEC VAX Al
3. The lower byte of Entry 5 is the connection state See error code 11 above and the upper byte is the offending field value Connection to remote node failed resuming A SYN packet was received when an ACK was expected RST was sent to the remote endpoint Entries 3 amp 4 are the IP address of the remote host displayed as two hexadecimal words For example 3 0 0 1 would be shown as 0300H 0001H The lower byte of Entry 5 is the connection state See error code 11 above and the upper byte is the offending field value LAN I F capacity exceeded discarded request A remote node attempted to establish a new TCP connection when all 16 connections were already in use RST was sent to the remote endpoint Entries 3 amp 4 are the IP address of the remote host displayed as two hexadecimal words For example 3 0 0 1 would be shown as 0300H 0001H The lower byte of Entry 5 is the connection state See error code 11 above and the upper byte is the offending field value Connection to remote node failed resuming Unable to establish a connection to a remote node because the internal listen queue is full Entries 3 amp 4 are the IP address of the remote host displayed as two hexadecimal words For example 3 0 0 1 would be shown as 0300H 0001H Entry 5 is the local port number 16 Important Product Information GFK 1005G Chapter 5 The Station Manager Section 3 Command Description KILLSS Command Note This c
4. full page Test Report will scroll off the top of the Network Station Manager screen The GSM does not operate over an Ethernet network when Wollongong Pathways is also installed in the same PC 14 Important Product Information GFK 1005G Changes and Additions to the User s Manual The information below amends the corresponding pages in the TCP IP Ethernet Communications for the IC697 PLC User s Manual Table 6 10 Exception Log Event Codes Log Event z 8 Possible Cause and Resolution Code Event c Remove the entry for Entry 2 103 LLC events Log Event Possible Cause and Resolution Code Event 12 This event is logged by the TCP layer TCP events Entry 1 will always be zero Entry 2 identifies the type of error 10 Connection to remote node failed resuming This error is reported when a TCP connection has been aborted The TCP layer has retransmitted a segment the maximum number of times and the remote host has failed to ACK the segment Check network connectivity and the remote host s operational status Entries 3 amp 4 are the IP address of the remote host displayed as two hexadecimal words For example 3 0 0 1 would be shown as 0300H 0001H Entry 5 is the number of transmission attempts Connection to remote node failed resuming This error is reported when a connection has been aborted after the remote host failed to respond to keep alive probes Check network connectivity and the remo
5. issues a COMMREQ then issues a second COMMREQs for same COMMREQ for that same channel before the COMMREQ Status Word channel issued for the first COMMRE has been updated the user cannot be certain which COMMREQ is being performed This is a ladder programming error TCP connections linger 30434 When a channel is aborted the underlying TCP connection remains for a beyond channel life short period This is to perform the protocol with the remote node to allow an orderly shutdown Ladder redefining an existing channel to communicate with a different IP address will see noticeable delays Excessive error logs when 31184 While operating with a subnet mask value set differently than the actual using wrong subnet mask subnet to which you are connected the TCP IP software may tally a very high level of missed packets MAC tally MisdPack Internal buffers can be 62253 If a channel is restarted via retasking a buffer may be lost Continual retasking will eventually result in loss of all buffers and should be avoided Restarting the Ethernet Interface will free the buffers Important Product Information GFK 1005G 13 Open Problems in Release 2 14 GSM Software This section describes known limitations in the current GSM software version 2 14 Subject Reset during local load causes long delay No XID response from GEFNDIS Ctrl C of GSM makes next start up fail Repeated send errors stop network download Remote CHSOSW needs e
6. merely signals that an Ethernet frame has been lost and is provided to the user as an indication of the network s health 6 Important Product Information GFK 1005G If the Ethernet Interface using an existing configuration does not record tallies it is not necessary to make these changes in the existing GSM configuration file However any new Ethernet Interface configurations created by the version 1 06 of the TCP IP configuration editor will default to the new values TCP IP Capacity Limitations The IC697 Ethernet Interface IC697CMM741 has a limited amount of RAM available after downloading the TCP IP software IC651ENS042 or CE651ENS042 This limits what processing can be done by the TCP IP software especially when it comes to the number of simultaneous connections and the amount of data being passed on each connection GE Intelligent Platforms strongly recommends limiting your application to E Use no more than one 1 connection if passing 2 048 bytes per message E Use no more than eight 8 simultaneous connections if passing 1 024 bytes per message on all connections Passing 512 bytes or less per message on all connections should allow you to use up to the maximum of sixteen 16 simultaneous connections The consequences for exceeding these limitations can be severe Problems known to occur when these limitations are exceeded are 1 When the client PLC CPU transitions from RUN to STOP some TCP connections are left in a
7. mode with the CPU toggle switch Power cycling the PLC rack does not correct this PLC CPU problem AUI Cable Removal Power to the PLC must be turned off whenever the transceiver cable AUI cable is connected or disconnected at the controller board IC697CMM741 or at the transceiver Ethernet Interface PLC Restrictions The Ethernet Interface IC697CMM741 may not be used in a IC697 PLC expansion rack IC641 programming software release 3 02 and higher will not allow an Ethernet Interface to be configured in an expansion rack and the Ethernet Interface will not function properly if placed there There may be no more than four 4 LAN Interfaces in a single PLC This limit applies to the total number of 1C697CMM721 IC697CMM731 IC697CMM741 and IC697CMM742 boards in the PLC CPU 788 789 Write Restrictions When a CPU 788 or a CPU 789 is placed into STOP mode it restricts memory access to a IC697 TCP IP Ethernet Interface a SVCREQ is required to be executed in RUN mode to unlock specific areas of memory Thus if the CPU 788 789 is a server PLC then accesses to its memory will fail The Ethernet Interface in the PLC with the CPU 788 789 will put an entry into its Exception Log event 001CH entry 2 0021H entry 3 FD02H but no PLC Fault Table entry Also if a CPU 788 789 is in a server PLC the local subprogram memory L will always be read only whether the CPU is in RUN or STOP mode 8 Important Product Information GFK 1005G
8. 64 Channel Status bits MMS Ethernet Configuration Mode Release 5 IC641S WP programming software uses MMS Ethernet configuration mode exclusively Release 6 IC641SWP programming software adds TCP IP configuration mode as a second choice Configuring the Ethernet Interface IC697CMM741 using MMS ETHERNET mode allows for support for MMS Ethernet RAM software IC65 1ENS040 IC65 1ENS041 or TCP IP RAM software IC65 LENS042 CE651ENS042 Configuring in this mode also allows IC697 PLCs with CPU models that cannot support version 5 03 5 50 or later such as CPU 780 to be able to use COMMREQs directed to TCP IP Ethernet software IC65 1ENS042B CE651ENS042B In this mode the status bits location configured will be for only sixteen 16 LAN Interface Status bits In this mode if client requestor functions are to be used the user s ladder program must specify where the sixty four 64 Channel Status bits go using the Assign Channel Status Vector COMMREQ See the User s Manual for more details Must Not Use TCP IP Config Mode with Older Firmware Software Ethernet Interface firmware version 1 15 or earlier and software 1 28 or earlier cannot support TCP IP configuration mode Numerous problems will occur if this is attempted For example the Ethernet Interface may not recognize PLC CPU RUN STOP transitions and the Ethernet server task may not initialize if PROM 1 15 or RAM 1 28 is used with TCP IP configuration mode Important Product Infor
9. FIN WAIT 1 state Consequently the 16 available connections at both the client and the server are reduced by the number of such connections until the Ethernet Interface is restarted or power cycled 2 Space to pass messages to the PLC CPU is exceeded causing all connections to see requests fail due to resource problems This can cause loss of data and TCP connections to be aborted Using IC641 programming software may impose further limits on the Ethernet Interface Performing an IC641 programming software load or store to the PLC CPU in the same rack as the Ethernet Interface limits the Interface to E Using no more than eight 8 simultaneous channels if passing 256 bytes per message on all connections Using no channels i e pass data to Ethernet Interface acting as a server only if passing 512 bytes per message on all connections Data Transfer with One Repetition can Exhaust TCP Connections If your ladder program for issuing COMMREQs is constructed so it does all the following all available TCP connections can quickly be used up E The number of repetitions word 9 in an Establish Channel COMMREQ is set to 1 and a new COMMREQ is issued immediately upon completion of the prior one E Each successive COMMREQ is directed to the same target device same IP address E Each successive COMMREQ is directed to the same channel number To avoid using up all TCP connections set the number of repetitions COMMREQ word 9 to
10. Interface must be restarted to recover Also if the dsrc Soft Switch is set to ALT i e alternate between local and network download sources any character entered at the serial port when the board is soliciting a local download causes the board to remain in local download mode the Ethernet Interface must be restarted to recover The chsosw Station Manager command when used with the rem REMote command does not display its output until the next carriage return lt CR gt This can cause the command output to become garbled with the output of the next remote Station Manager command Se related GSM EPR 13021 below False transitions of active LAN Interface Status LIS word bits may be detected by the PLC ladder program when the PLC sweep duration is short For CPU firmware before v5 50 this will occur for sweeps of 2 ms or less For later CPU firmware this may occur for sweeps of 3 ms or less See Special Operational Notes above for a workaround If the PLC CPU has a natural scan rate less than 5 milliseconds the LAN Interface Status LIS bits may occasionally go to zero See Special Operational Notes above for a workaround 12 Important Product Information GFK 1005G Open Problems in Release 2 03 Firmware Continued Subject ID Code Description Changing IP address does 30629 not always restart Ethernet Interface When changing the IP address of the Ethernet Interface from all zeroes to a non zero address the Ethernet Interfac
11. March 17 2010 GFK 1005G IMPORTANT PRODUCT INFORMATION TCP IP USERS READ THIS INFORMATION FIRST Product Factory LAN TCP IP Ethernet Controller for IC697 Programmable Controllers IC697CMM741M Factory LAN TCP IP Ethernet Software for IC697 Programmable Controllers IC65 LENS042E CE651ENS042E Firmware Identification Version 2 03 Software Identification IC651ENS042E diskette version 1 04 CE651ENS042E diskette version 1 04 Release diskette consists of TCP IP Ethernet Executive software version 2 12 TCP IP Ethernet Configuration editor version 1 06 GSM version 2 14 This document contains important user information for the most recent releases of both the firmware and the TCP IP Transmission Control Protocol and Internet Protocol software of the Factory LAN Ethernet Interface IC697CMM741 The firmware provides a means for loading and executing either TCP IP Ethernet software IC65 1ENS042 CE651ENS042 or MMS Ethernet software IC65 1ENS040 IC651ENS041 When installed on an IC697CMM741 Ethernet Interface in an IC697 PLC the TCP IP software provides a means for network communications over an Ethernet Local Area Network LAN between the IC697 PLC and TCP IP Host Communications software IC641SWPO052 IC641SWP0S53 IC641SWP054 IC641S WPO0S55 IC641SWP057 and IC641SWP058 between the IC697 PLC and IC641 TCP IP IC641S WP713 and or between two IC697 PLCs This allows intercommunication between an IC697 ladder program
12. and either a remote IC697 Ethernet Interface I1C697CMM74 1 or IC693 Ethernet Interface IC693CMM321 Field upgrade kit 44A731219 GO7 2 EPROMS U70 388 003J2 03 and U71 388 004J2 03 Documentation User s Manual TCP IP Ethernet Communications User s Manual Data Sheet Ethernet LAN Controller 2 Important Product Information GFK 1005G New for This Release New software features are highlighted below New Station Manager Command killss A new station manager command killss has been added in this release of the IC697CMM741 TCP IP Software The command killss is used to terminate established SRTP Server endpoints Refer to the section Operational Notes for details Enhanced Station Manager Output stat v To help in debugging a PLC setup the number of received requests and the IP address of the client for every SRTP Server endpoint have been added to the display in response to stat v station manager command Automatic Termination of Hung SRTP Server Endpoints While Opening or Closing A keep alive mechanism has been added to the SRTP Server to automatically terminate endpoints which remain inactive for a time out period of approximately 30 to 60 seconds while being opened or closed This prevents SRTP Server endpoints from remaining hung forever and causing new connection requests to fail until the Ethernet Interface is either restarted or power cycled New TCP NoPorts Tally A new TCP tall
13. ations Toolkit software for the HP UX 9000 workstation environment O Toolkit for DEC VAX VMS C Applications IC641SWP053 the Host Communications Toolkit software for the DEC VAX VMS workstation environment Important Product Information 3 GFK 1005G O Toolkit for DEC Alpha AXP VMS C C Applications IC641SWP057 the Host Communications Toolkit software for C C applications in the DEC Alpha AXP VMS workstation environment The IC651ENS042 CE651ENS042 TCP IP Ethernet software when operating as a client requestor may use either of two configuration modes as set using IC641 configuration software See Operational Notes below TCP IP configuration mode or MMS Ethernet configuration mode TCP IP configuration mode requires at least Ethernet Interface firmware version 2 00 and software version 2 00 as well as a higher minimum CPU and IC641 configuration software version number The following minimum CPU and IC641 configuration software version numbers apply for the C697 Ethernet Interface while using IC641 programming software in TCP IP configuration mode CPU CPU IC641SWP IC641CTL Ethernet Ethernet Ethernet Interface model f w s w s w Interface Interface TCP software firmwaret 731 732 IC697CMM741K 711 772 IC697CMM741K IC697CMM741K 924 925 6 00 6 02 1 00 IC697CMM74IK _ version2 00 version2 00 See the Field Upgrade Kit description above for information on upgrading existing Ethernet
14. e does not always restart itself to use the new configuration data Many large data transfers 30640 may get errors Due to a limitation of internal RAM on the Ethernet Interface many transfers of large amounts of data reading or writing may get errors This is especially true for multiple TCP connections transferring at least 1024 bytes each Long PLC scan times 62259 When the PLC scan time exceeds 100 ms channels may fail with error impact channel codes 2411 0B11 9B90 3F11 or 9590 The error codes may be viewed performance by doing a Stat H command Open Problems in Release 2 12 TCP IP Software This section describes known limitations in the current TCP IP Ethernet software IC65 1ENS042E CE65 1ENS042E version 2 12 exhausted by channel retasking Subject ID Code Description Cannot redefine channel 29729 When the maximum sixteen 16 channels are operating the ladder when 16 active program cannot send a new COMMREQ trying to redefine what a channel should be doing The ladder must first abort a channel before issuing the new read or write COMMREQ Duplicate IP address 29747 If the TCP IP software detects that there are two stations on the network detection puts misleading with the same IP address the PLC Fault Table message for this error is PLC Fault Table message Bad remote application request This is misleading and should be changed to more meaningful text Unpredictable results if 2 30264 If a ladder program
15. er shown on the screen is 128 Enter ALT U to save this change SO GO ES OS a oe Select System Parameters by pressing the DOWN ARROW key once and then the ENTER key once 10 If you are using default buffer pool allocation parameters change the default allocation for buffer pool 3 to 58 and pool 4 to 19 If you have previously customized these parameters increase the percentage of pool 3 so the number of buffers in pool 3 increases by at least 64 to at least 144 Of course this means the other pools would have to be decreased 11 Enter ALT U to save this change 12 Repeatedly press ALT U until you are back at the main GSM menu 13 Put the target Ethernet Interface into a state where it is asking for a GSM download you could use the GSM s Access Station Manager menu and enter the LOAD Station Manager command or use the push button on the Ethernet Interface itself by pressing and holding the push button down until the STATUS LED is lit 14 Select the Download Station menu from the main GSM menu This will allow the latest TCP configuration parameters and the latest TCP IP executive software to be downloaded into the Ethernet Interface s RAM 15 You are now ready to start using the enhanced capabilities of the new TCP IP software Note On extremely heavily loaded LAN it is still possible to occasionally tally MisdPack even after these changes have been made in the Ethernet Interfaces IC697CMM741 This
16. ion is received Unnecessary log event 18 Not Available Do not log Destination Unreachable error if the message is a result of entry 2 2 are generated attempts to respond to ICMP broadcast Important Product Information GFK 1005G 11 Restrictions and Significant Open Problems Open Problems in Release 2 03 Firmware This section describes known limitations in the current EPROM firmware version 2 03 Subject Recurring log entries not put into PLC Fault Table after Clear Garbage characters on RESTART or LOAD commands Local download of RAM software may hang Remote CHSOSW needs extra lt CR gt LIS word bits may transition falsely LIS goes to zero with fast scan ID Code 12723 12732 12940 22184 25838 30613 Description o A recurring exception condition in the Ethernet Interface that increments the counter of an existing Exception Log entry instead of making a new entry is not re entered into the PLC Fault Table after the PLC Fault Table is cleared When the restart or load Station Manager commands are used one or more garbage characters may be output at the serial port The garbage characters may be displayed by DEC VT 100 terminals This is a hardware problem with the Ethernet module itself The Software Load utility does not contain a timeout for local serial downloads of the RAM software from the GSM If the local download is interrupted e g cable disconnect the Ethernet
17. ismatch running soft Sw util Internal error A memory allocation error occurred while attempting to open a server connection requested by a remote node Entries 3 amp 4 are the IP address of the remote host displayed as two hexadecimal words For example 3 0 0 1 would be shown as 0300H 0001H Entry 5 is the local TCP port number Entry 6 is the TCP port number on the remote node LAN PROM software mismatch running soft Sw util Internal error An error occurred while attempting to send a reply when a server connection was requested by a remote node Entries 3 amp 4 are the IP address of the remote host displayed as two hexadecimal words For example 3 0 0 1 would be shown as 0300H 0001H Entry 5 is an internal software error code LAN PROM software mismatch running soft Sw util Internal error The software attempted to deallocate data for a TCP connection before the connection was closed Entries 3 amp 4 are the IP address of the remote host displayed as two hexadecimal words For example 3 0 0 1 would be shown as 0300H 0001H Entry 5 is the TCP state of the connection See error code 11 above Connection to remote node failed resuming A packet was received with an inappropriate field value for the current state of the TCP connection RST was sent to the remote endpoint Entries 3 amp 4 are the IP address of the remote host displayed as two hexadecimal words For example 3 0 0 1 would be shown as 0300H 0001H
18. mation 5 GFK 1005G Modification to Existing GSM Configuration File to Reduce the Likelihood of Encountering LLC tally MisdPack In order to reduce the likelihood of LLC tally MisdPack there were two changes made to the configuration file generated by the version 1 06 TCP IP configuration editor The first change was to change the default LLC receive ring length to 128 from 64 The second change was to change the default buffer allocation percentages for pool3 and pool4 which was required due to the first change Any new station configuration created using version 1 06 of the TCP IP configuration editor will automatically receive the new values To have these changes take effect with an existing GSM configuration file you must perform the following steps for every existing station configuration 1 Install the new GSM and configuration editor version 1 06 2 From the GSM main menu select the Configure a Station menu Enter the station name in the STATION_NAME field and press Enter Record the MAC address of this station 3 Enter ALT E This will bring up the IC697 TCP IP configuration editor menu The version number of the TCP IP configuration editor is shown on the screen Select Advanced Parameters by pressing the DOWN ARROW key once and then the ENTER key once Select Data Link Parameters by pressing the ENTER key once Select RX_RING_LEN by pressing the ENTER key once Press the TAB key as many times as necessary until the numb
19. ommand is intended to be used only for diagnostics and maintenance The KILLSS command has the form KILLSS ALLI lt SRTP Server endpoint gt lt SRTP Server endpoint gt The KILLSS command causes the specified SRTP Server endpoint to be terminated The endpoint is identified by a number as listed in the leftmost column of the output of the STAT V station manager command Alternately the keyword ALL may be used instead of an endpoint identifier In this case all established SRTP Server endpoints will be terminated Only endpoints which are in ESTABLISHED state can be terminated by this command A typical KILLSS command is shown below KILLSS 2 SRTP Server endpoint 2 shut down initiated
20. onflicts with other network access as well It is recommended that the PC running the GSM have no other network access software running on it Multiple GSMs on same network The GSM software is designed to be the sole source for downloads on a given network for a given load multicast address If there are multiple GSMs on the same network using the same load multicast address a request for download may never be satisfied Important Product Information 9 GFK 1005G PLC Power Supply Requirements The Factory LAN Ethernet controller IC697CMM741 requires that the PLC include a power supply which supplies 12Vdc IC697PWR711 721 724 731 or 748 to power the external transceiver If an externally powered transceiver is used the power supply is not required to provide 12 Vdc however the Ethernet controller IC697CMM741 may generate fault events indicating blown fuses in this case The fuses are not really blown but the lack of 12Vdc makes the fuses appear blown to the firmware New Station Manager Command killss A new station manager command has been added in this release of the IC697CMM741 TCP IP Software The command killss is used to terminate established SRTP Server endpoints The syntax for the command is as follows killss all lt SRTP Server endpoint gt lt SRTP Server endpoint gt killss all causes all established SRTP Server endpoints to be terminated If the endpoint numbers as shown in the out
21. pha AXP and VMS are trademarks of Digital Equipment Corporation 4 Important Product Information GFK 1005G Operational Notes IC641SWP Programming Software Configuration Modes IC641SWP programming software version 6 01 must not be used to configure an Ethernet Interface If this version was used to configure an Ethernet Interface operation of the Ethernet Interface may be unpredictable and possibly unsafe If you have used IC641SWP programming software version 6 01 to configure an Ethernet Interface you must install version 6 02 or later Then delete the Ethernet module configuration and re enter it using version 6 02 do not attempt to edit the version 6 01 configuration with version 6 02 IC641SWP programming software version 6 02 provides the user with two modes of operation for the TCP IP Ethernet software IC65 1ENS042 CE65 LENS042 TCP IP configuration mode and MMS Ethernet configuration mode TCP IP Configuration Mode This is the default mode when configuring the Ethernet Interface IC697CMM741 using IC641S WP programming software version 6 02 This provides a means of specifying the Internet Protocol IP address of the Ethernet Module as well as specifying related IP addressing data Support of this mode requires C697 PLC CPU version 5 03 5 50 or later and IC651ENS042B CE651ENS042B In this mode the status bits location configured will be for eighty 80 bits sixteen 16 LAN Interface Status bits and sixty four
22. put of stat v command are specified only those endpoints would be terminated This command will not terminate any endpoints which are not in ESTABLISHED state The killss command is a modify command therefore the user is required to be logged in before using this command In addition this command is intended only for maintenance and diagnostic purposes 10 Important Product Information GFK 1005G Problems Corrected in This Release Problems Corrected in Release 2 03 Firmware This section describes software defect corrections put into firmware version 2 03 comes on IC697CMM74 1M and with Field Upgrade Kit 44A731219 G07 Subject ID Code Description Improved communications Not Available In cases when resource limitations would cause a transfer to the PLC CPU with PLC CPU to be unsuccessful the Ethernet firmware now retries the transfer for up to 100 ms End of Sweep notifications 57148 Under very heavy traffic conditions the Ethernet firmware would sometimes missed sometimes fail to detect End of Sweep notifications from the PLC The backplane driver interrupt service routine has been optimized to reduce the likelihood of missing these notifications Change c 103 from a log 54949 This network event indicating loss of incoming frames due to buffer event to a tally exhaustion is now reported with the MAC tally MisdPack rather than an exception log entry It can occur occasionally on very busy networks Incorrect restar
23. t log event 59389 When the Ethernet Interface restarts due to certain fatal LLC errors c 122 reason c 124 c 126 c 128 c 12a it now reports the proper restart reason code System Error restart 1 0 5 Problems Corrected in Release 2 12 TCP IP Software This section describes software corrections put into TCP IP Ethernet software version 2 12 IC651ENS042E Subject ID Code Description Change some TCP log 56250 TCP Log events that record the taking down of a TCP connection don t events to show remote IP identify the remote host that was connected This information is needed address for system troubleshooting and is often impossible to get after the connection comes down TCP log events 12 entry 2 10 through 1C have been updated to show the IP address of the remote node in entries 3 and 4 PLC Fault Table 56537 The inappropriate error message Connection to remote node failed description should be resuming for the log event 12 19 on the PLC Fault Table should be changed for log event 12 changed to a more relevant message LAN I F capacity exceeded entry 2 19 discarded request Unnecessary log events 57454 Reception of TCP RST signal should cause the generation of log event 12 12 entry 2 0F are 59024 entry 2 0F only when the TCP port is not yet opened generated TCP connection is hung in Not Available TCP connection stays up forever if the TCP window size is zero when FIN FIN WAIT1 state the request to terminate a TCP connect
24. te host s operational status Entries 3 amp 4 are the IP address of the remote host displayed as two hexadecimal words For example 3 0 0 1 would be shown as 0300H 0001H Entry 5 is the TCP state of the connection 1 CLOSED 2 LISTEN 3 SYN SENT 4 SYN RECEIVED 5 ESTABLISHED 6 FIN WAIT 1 7 FIN WAIT 2 8 CLOSE WAIT 9 LAST ACK 10 CLOSING 11 TIME WAIT Connection to remote node failed resuming This error is reported when an SYN has arrived in an improper state If the error persists verify that applications are using properly IP addresses and that the remote host is not experiencing resource limitations Entries 3 amp 4 are the IP address of the remote host displayed as two hexadecimal words For example 3 0 0 1 would be shown as 0300H 0001H The lower byte of Entry 5 is the connection state See error code 11 above and Important Product Information 15 GFK 1005G Log Event Possible Cause and Resolution Code the upper byte is the offending field value LAN system software fault resuming Internal error An attempt to bind a remote TCP IP endpoint to a TCP connection failed because a connection was already open to that endpoint Entries 3 amp 4 are the IP address of the remote host displayed as two hexadecimal words For example 3 0 0 1 would be shown as 0300H 0001H Entry 5 is the local TCP port number Entry 6 is the TCP port number on the remote node LAN PROM software m
25. two 2 and set the read write period COMMREQ words 10 and 11 to be very large for example 60 seconds With these parameters the ladder program will issue the first COMMREQ wait for the COMMREQ Status CRS word to turn to 1 then issue the next COMMREQ wait for the CRS word to turn to 1 and so forth By interrupting an active channel in this way you allow the reuse of an existing TCP connection while a repetition count of 1 started the time consuming TCP connection teardown immediately Important Product Information 7 GFK 1005G LIS Word Bits May Go To Zero With Fast PLC Scans If your natural scan rate as observed by the IC641 programming software status line is less than five 5 milliseconds you may observe the LAN Interface Status LIS bits occasionally transitioning to zero 0 If this is occurring first write a maximum scan time trap into your ladder application to determine the maximum scan time for your application to work around this problem set a constant sweep time to 10 milliseconds or to twice your maximum scan time whichever is greater Determining your maximum scan time is important If you set a constant sweep time that is at or below your maximum scan time and the actual scan time exceeds the constant sweep time the PLC CPU will lock out all requests from other modules in the rack including the Ethernet Interface Once this occurs the only way to reset the PLC CPU is to make it transition from RUN mode to STOP
26. xtra lt CR gt Network Station Manager has fewer display lines than Local GSM cannot coexist with Pathways ID Code 12132 12810 12882 12900 13021 23093 25568 Description SSS If the GSM local downloader is started before the LAN Controller requests a load and the LAN Controller is reset there may be a lengthy delay after the LAN Controller startup cycle before the GSM actually initiates the next local download The GEFNDIS LLC Driver does not generate an XID Response frame when an XID frame is received IEEE 802 3 networks only When the GSM is exited via C Ctrl C the GEFNDIS driver may be unable to activate LSAP upon subsequent start up The PC must be rebooted to recover This problem does not occur if the GSM is exited normally via the lt Esc gt key or main menu selection If the GSM downloader encounters repeated errors when sending a frame to the network the GSM will indicate a Data Link Error code 7 and halt network download Must exit to DOS and restart the GSM to recover The chsosw Station Manager command when used with the rem REMote command does not display its output until the next carriage return lt CR gt This can cause the command output to become garbled with the output of the next remote Station Manager command See related PROM EPR 22184 above The Network Station Manager screen accommodates only 21 lines instead of 22 lines like the Local Station Manager screen Thus a
27. y has been added NoPorts This tally counts the number of received TCP frames which are addressed to TCP ports which are not open i e TCP ports which the Ethernet Interface software is not using Compatibility General compatibility notes E The IC697CMM741M firmware version 2 03 will operate with either TCP IP software IC651ENS042 or CE651ENS042 or MMS Ethernet software IC65 1ENS040 or IC651ENS041 E The IC651ENS042 and CE651ENS042 TCP IP software may be installed into the same GSM directory with IC651ENS040 and IC651ENS041 Once installed in the same directory the GSM will support configuration and downloading of either the MMS Ethernet software or the TCP IP Ethernet software according to operator selection for each station E Compatible when operating as a responder with all versions of the Host Communications Toolkit software on all available platforms O Toolkit for Windows NT C C Applications IC641SWP058 the Host Communications Toolkit software for the Microsoft Windows NT environment O Toolkit for Windows C C Applications IC641SWP052 the Host Communications Toolkit software for C C applications in the Microsoft Windows for Workgroups environment O Toolkit for Windows Visual Basic Applications IC641SWP055 the Host Communications Toolkit software for Visual BASIC applications in the Microsoft Windows for Workgroups environment O Toolkit for HP UX C Applications IC641SWP054 the Host Communic
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