Series 90-70, Factory LAN TCP/IP Ethernet Interface (Type 2
Contents
1. requests Channel Data Transfer with One Repetition can Exhaust TCP Connections Because tearing down a TCP connection is time consuming it is possible that programming your ladder in a certain way can quickly exhaust all available TCP connections This can be avoided by programming your COMMREQs in a slightly different way Your ladder can benefit from the reprogramming if m The number of repetitions word 9 in an Establish Read Channel or Establish Write Channel COMMREQ is set to one 1 and a new COMMREOQ is issued immediately upon completion of the prior one m Each successive COMMREQ is directed to the same target device same IP address m Each successive COMMREO is directed to the same channel number To avoid TCP connection exhaustion you should set the number of repetitions COMMREQ word 9 to two 2 and set the read write period COMMREQ words 10 Important Product Information Factory LAN TCP IP Ethernet Interface Type 2 GFK 1314E October 1 1997 and 11 to be very large such as 60 seconds With these parameters you can issue the first COMMREQ wait for the COMMREQ Status CRS word to turn to one 1 then issue the next COMMREQ wait for the CRS word to turn to one etc and there will not be TCP connection exhaustion problems Interrupting an active channel allows the reuse of an existing TCP connection while a repetition count of one starts the time consuming TCP connection teardown immediately upon complet2. and restart of the Ethernet Interface takes approximately 20 seconds This is roughly 10 seconds longer than required when the Ethernet Interface is used with PLC CPU versions 6 00 and later Station Manager 1 The STAT C command PLC Driver status does not display the current PLC CPU state RUN STOP andI OENABLED I ODISABLED In the TALLY C command output PLC Driver tallies the PlcSweep tally does not count the number of PLC sweeps This tally should be ignored The STAT H command Channel API status always indicates Channel API task not initialized As detailed above in the Ethernet Interface Installation and Configuration section special restricted operation notification is displayed with the startup message and by the NODE command 12 October 1 1997 Important Product Information Factory LAN TCP IP Ethernet Interface Type 2 GFK 1314E Software Loader 1C697 PLC CPU versions 6 00 and later gracefully allow option modules like the Ethernet Interface to suspend communication with the PLC CPU while loading new firmware Since this capability is not present in PLC CPU versions 4 12 5 50 special operations are required when loading new firmware into the Ethernet Interface Follow the steps in Appendix E of the User s Manual to load new firmware into the Ethernet Interface step 2 of the firmware installation process must be expanded as described below 2 from Appendix E Hold the Reset button on th
3. or later Toolkit for DEC VAX VMSC Applications IC641SWP053B or later Toolkit for DEC Alpha AXP VMS C C Application IC641SWP057B or later Host Communication Drivers for Windows qty 1 IC641SWPO050D qty 10 IC641SWP051D Product Documentation TCP IP Ethernet Communications Type 2 for the IC697 PLC User s Manual GFK 1246 TCP IP Ethernet Communications for the IC69 Station Manager Manual GFK 1186 New Features Ethernet Global Data Ethernet Global Data is a mechanism by which one device referred to as a producer can share a portion of its internal memory with one or more other devices referred to as consumers at a regularly scheduled periodic rate The snapshot of internal memory is referred to as an exchange This exchange is uniquely distinguished by a set of identifiers the Producer ID and Exchange ID The Producer ID is assigned to uniquely identify the Ethernet Global Data device on the network or routed networks The Exchange ID is a value identifying a specific exchange definition within that producing device An in depth description of this feature is available through the Online Help system of the configuration software Use of this feature requires IC697 CPU Release 7 00 or later as well as IC641 Configuration software Version 2 00 or later Enhanced Name Resolution This release of firmware extends the Naming Resolution capabilities to allow configuration
4. 2 Copyright c 1996 All rights reserved Version 1 10 25A1 TCP IP Version 1 00 12A1 Software Loader IP Address 0 0 0 0 MAC Address 080019010688 x PLC CPU version 5 00 supports restricted LAN Interface operation EKK SRTP server only client operation is not permitted XEK LAN Interface cannot be configured with PLC Configurator KER Use CHSOSW Station Manager cmd to enter module configuration FAX PLC CPU version 6 00 or higher is required for full operation If the Ethernet Interface has not been previously configured the NODE output will also indicate that the Ethernet Interface is waiting for a valid IP address Use the LOGIN Station Manager command to log in in order to access the Modify level commands needed later The LOGIN command is shown below gt login After entering the LOGIN command the Station Manager prompts for the Modify level password Password Enter your password which is not echoed The default password is system lower case If the password matches the current Modify level password a confirmation message is displayed the Station Manager prompt changes from gt to un Use the Modify level MAINT Station Manager command to restart the Ethernet Interface into the Maintenance state The MAINT command is shown below maint Restarting module into Maintenance state Important Product Information Factory LAN TCP IP Ethernet Interface Type 2 GFK 1314E MUR Mainte
5. October 1 1997 GFK 1314E IMPORTANT PRODUCT INFORMATION READ THIS INFORMATION FIRST Product Factory LAN TCP IP Ethernet Interface Type 2 IC697CMM742 FD Firmware Version 2 00 This is release 2 00 of the IC697 Ethernet Interface Module Type 2 This module provides network communications using SRTP Service Request Transfer Protocol over standardTCP IP Transmission Control Protocol and Internet Protocol on an Ethernet LAN Local Area Network The Ethernet Interface supports communications between 1C697 PLCs and or IC693 PLCs equipped with TCP IP Ethernet Interfaces The Ethernet Interface can also communicate with IC641 TCP IP Ethernet programming software and applications which use the TCP IP Host Communication Toolkit software Additional features and benefits for this module include m Higher performance compared to IC697CMM 741 2 to 4 times higher throughput for data transfers between PLCs with identical Channel setups m 32 simultaneous network connections twice the number supported by IC697CMM 741 m Configuration of Ethernet Interface fully supported within CPU configuration Centralized IP network configuration management is also supported via standard BOOTP protocol m Addressability to other IC697CMM742 Interfaces using DDP names standard DNS Domain Name Service names or IP addresses m Three alternate Ethernet network ports are available on the IC697CMM742 Interface Two of the network ports the 10BaseT twis
6. ce Installation and Configuration The Ethernet Interface Type 2 is installed in the main PLC rack as described in Procedure 1 in Chapter 2 of the TCP IP Ethernet Type 2 Users Manual 1C697 PLC CPU firmware versions 4 12 though 5 50 do not accept PLC configuration data for the Ethernet Interface Type 2 Thus this Ethernet Interface cannot be configured as described in Procedure 2 in Chapter 2 of the User s Manual An alternate Procedure 2 is provided below this procedure uses a user supplied computer terminal or equivalent plus the Station Manager software within the Ethernet Interface to enter the necessary configuration data The Station Manager is completely described in the TCP IP Ethernet Station Manager Manual Please refer to this manual for complete details on connecting a terminal to the Station Manager serial port of the Ethernet Interface and on the various Station Manager commands used within this alternate Procedure 2 Alternate Procedure 2 Configuring the Ethernet Interface with PLC CPU versions 4 12 through 5 50 1C697 PLC CPU firmware versions prior to version 6 00 do not accept configuration data for the Ethernet Interface Type 2 Thus the Ethernet Interface Type 2 cannot be configured by the IC641 PLC Configuration software Instead a dummy module must be configured in place of the Ethernet Interface the Station Manager software within the Ethernet Interface is then used to enter configuration data directly at the m
7. ce of Soft Switches Internal Backup When all configuration parameters have been correctly entered use the RESTART Station Manager command to restart the Ethernet Interface into normal operation The RESTART command is shown below restart Restarting module The Ethernet Interface is restarted into the Operational state After approximately 20 seconds another NODE output is automatically generated when the restart is complete The NODE output should indicate the IP Address configured in Step 9 above The Subnet Mask Gateway IP Address and Name Server IP Address can be displayed by the SOSW command as described in Step 10 above The Ethernet Interface is now properly configured and ready for use Please proceed to Procedure 3 in Chapter 2 of the User s Manual to verify proper operation of the Ethernet Interface with the new configuration data Ethernet Interface Operational Restrictions The Ethernet Interface Type 2 operates with some restrictions when used with IC697 PLC CPU versions 4 12 through 5 50 These Operational Restrictions together with differences in Startup Station Manager and Software Loader operation are described below Operational Restrictions 1 COMMREO operation is not supported Any COMMREQ issued to the Ethernet Interface is ignored a COMMREQ Status CRS word is not returned to the PLC Instead the Ethernet Interface generates an event in its internal exception log Event 1c Entry 2 0011 in
8. dicating that the Channel API task is not active The Ethernet Interface also generates an entry in the PLC Fault Table LAN system software fault resuming Important Product Information Factory LAN TCP IP Ethernet Interface Type 2 11 GFK 1314E October 1 1997 The Ethernet Interface returns neither LAN Interface Status LIS nor Channel Status data to the PLC PLC CPU models IC697CPU73x and IC697CPU77x may limit the overall performance of a PLC used as a server device Under heavy load from other clients and hosts on the network the server PLC may generate errors with major error code 07 indicating that the volume of requests from the network have exceeded the processing capacity of the PLC CPU If possible try to reduce the volume of requests to the server PLC when this condition occurs If the system design requires data rates beyond the capacity of the server PLC CPU please consider upgrading toa more powerful CPU model Startup 1 Upon each powerup or restart of the Ethernet Interface or configuration store to the PLC the following entry will be generated in the PLC Fault Table for the slot containing the Ethernet Interface Reset of addition of or extra option module When operating with PLC CPU versions prior to 6 00 the Ethernet Interface does not generate the exceptions or PLC Faults that normally occur when Ethernet Interface does not receive module configuration from the PLC CPU Each powerup
9. e AUI network port is used the IC697CMM742 Interface requires that the SQE test be enabled on the external transceiver connecting it to the Ethernet LAN Make sure your transceiver has SQE enabled PLC Power Supply Requirements If the AUI network port is used the IC697CMM742 Interface requires that the PLC include a power supply which supplies 12Vdc IC697PWR711 721 724 731 or 748 6 Important Product Information Factory LAN TCP IP Ethernet Interface Type 2 October 1 1997 GFK 1314E Restrictions and Significant Open Problems Open Problems in Release 2 00 Firmware This section describes known limitations in the current firmware Release 2 00 ID Code Description 54556 The IC697CMM 742 Interface can not communicate with the local PLC CPU when a PLC load or a store operation is in progress A PLC load or store operation via IC641 software WSL Serial and orEthernet has priority over all other communications During a PLC load or store operation it is possible for channels or server connections to experience time out errors which may lead to disconnections Possible ara Se logentriesinclude8 8 8 38 and 8 40 Whenever thesebackplaneerrors are logged there are likely to also be additional exception logs for terminated TCP connec tions and SRTP Server and Channel API errors 60873 Log Eventc entry 2 10f has been witnessed during extremely heavy traffic conditions on the Local Area Network A potential workaround is to i
10. e Ethernet Interface until the bottom LED STATUS turns ON Upon releasing the button all 4 LEDs will blink in unison This signifies that the Interface is in the Software Loader state 2a new After 18 20 seconds the PLC CPU will indicate that communication with the Ethernet Interface has been lost A PLC Fault Table entry will be generated Loss of option module all LEDs on the Ethernet Interface will turn OFF and remain so indefinitely 2b new Press the Restart button again The Ethernet Interface will restart immediately without any communication to the PLC CPU The OK LED will blink turn OFE and blink again After approximately two minutes the Ethernet Interface will enter the Operational state The absence of PLC CPU communication is of no concern at this time 2c new Hold the Reset button on the Ethernet Interface until the bottom LED STATUS turns ON This time upon releasing the button the OK LED will blink for approximately 30 seconds then all 4 LEDs will blink in unison to signify the Ethernet Interface is in the Software Loader state The Ethernet Interface can now safely accept the firmware update Proceed with Steps 3 through 9 in Appendix E of the User s Manual When the loading process is complete the Ethernet Interface will automatically restart Proceed to new Step 10 to restore communication between the PLC CPU and the Ethernet Interface 10 new Once the Ethernet Interface begins to restart up
11. e above will always result in a Configuration Mismatch error at each power up configuration store or Ethernet Interface restart To prevent this error from putting the PLC into STOP FAULT state change the severity of this error as follows 8 October 1 1997 Important Product Information Factory LAN TCP IP Ethernet Interface Type 2 GFK 1314E From the main PLC Configurator screen press the cpu soft key F2 to display the CPU configuration then press the ltcfg key F5 to display the Fault Categories Press the down arrow key repeatedly until Fault Type is System Config Mismatch then press the Tab key to change the Fault Category from F Fatal to D Diagnostic Press the Escape key twice to store the fault categories to the PLC CPU and return to the main PLC Configurator screen Store the PLC configuration to the PLC Now configure the Ethernet Interface Type 2 locally using its onboard Station Manager Refer to the TCP IP Ethernet Station Manager Manual for complete information on Station Manager operation Connect a standard ASCII terminal or PC based terminal emulator to the Station Manager RS 232 serial port on the Ethernet Interface Use the NODE Station Manager command to verify that the terminal or emulator is properly communicating with the Station Manager software in the Ethernet Interface A typical NODE command is shown below gt node IC697 PLC Factory LAN Ethernet Interface Type
12. efault serial port configuration values are not used Refer to the TCP IP Ethernet Station Manager Manual for further information A typical CHSOSW command is shown below chsosw ip_address 3 0 0 1 Once entered the configuration parameters are retained in non volatile flash memory for use each time the Ethernet Interface is powered up or restarted Configuration needs to be re entered only when changing one or more configuration parameters 9 October 1 1997 The Ethernet Interface is restarted into the Maintenance state After approximately 20 seconds another NODE output is automatically generated when the restart is complete The display will also indicate that the Ethernet Interface is the Modify level login is not 10 October 1 1997 Important Product Information Factory LAN TCP IP Ethernet Interface Type 2 GFK 1314E 10 Use the SOSW Station Manager command to verify that all configuration 11 parameters have been set to the proper values A typical SOSW command is shown below sosw lt lt lt Soft Switch Data gt gt gt IP Address 3 0 0 1 TCP IP values from Soft Switches Subnet Mask 0 0 0 0 Gateway 0 0 0 0 Name Server 0 0 0 0 Port 1 Station Manager Port 2 S W Loader Data Rate 9600 Data Rate 19200 Parity NONE Parity ODD Stop Bits 1 Stop Bits 1 Flow Control NONE Flow Control NONE TurnA Delay NONE TurnA Delay NONE Timeout LONG Timeout LONG Sour
13. h network bandwidth utilization by the IC697CMM742 Interface can cause higher than normal rate of network collisions which may cause timeouts on data transfers If your application requires many simultaneous network connections between IC697CMM742 Interfaces it is recommended that the minimum interval between host accesses read period and write period used in COMMREQs be set to the required rate for your particular application instead of as fast as possible so the network does not become overloaded with network traffic to and from the IC697CMM 742 Interface CPU Performance Limitation Again due to its performance potential the IC697CMM 742 Interface can present a heavy load on the CPU at its maximum operating capacity It is strongly recommended that caution be taken when using multiple connections operating in an as fast as possible mode especially when a model 781 or 782 CPU is used The COMMREQ Status Word CRS Word may occasionally become FE07 or FE87 which means service requests are made to the CPU faster than the CPU can process them Although communications will proceed to the next repetition even when this is encountered data transfer for the current repetition of this connection would have failed to complete n u To avoid this situation configure the minimum interval between host accesses read period or writeperiod to a larger value so the CPU has enough time to process all service
14. ion of the first transfer Special Notes on Release 6 CPUs When your ladder program accesses P and L memories through COMMREQs and a Release 6 CPU is used on the server PLC the COMMREQ Status Word CRS Word may occasionally return F405 AUI Cable Removal Power to the PLC must be turned off whenever the transceiver cable AUI cable is connected or disconnected at the IC697CMM742 Interface AUI port Ethernet Interface PLC Installation Restrictions The IC697CMM742 Interface may not be used in an IC697 PLC expansion rack 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 IC697CMM721 IC697CMM731 IC697CMM741 and IC697CMM742 boards in the PLC Some PLC Fault Table Entries are Imprecise In the PLC Fault Table display of the IC641 Programming software the following messages may not provide a meaningful description of the problem for the Ethernet Interface m LANPROM softwaremismatch running soft Sw util m LAN system software fault resuming m LAN Severe Network Problem Attempting Recovery Should you see these messages in the IC641 software select the message and enter F10 ZOOM or CTRL F to display the error codes associated with the message Then refer to GFK 1186A Appendix B Exception Log Event Description for an accurate explanation of the error codes SQE Enable If th
15. mpting recovery This release of firmware will now attempt recovery immediately and then once a second for the first 10 seconds then once every 10 seconds as before Increased Queue Sizes Due to available memory on the IC697CMM 742 various queue sizes have been increased to avoid potential network packet discards These include the LLC receive ring increased from 64 to 128 and the IP layer input queue increased from 64 to 128 and the IP layer output queue increased from 33 to 128 Enhanced Problem Debugging Tools Various enhancements have been made in this release of firmware to provide better debugging tools They include Additional Information in Fault Logging for Event 12 entry 2 10 1C TCP Log events Event 12 that recorded the taking down of a TCP connection did not identify the remote host that was connected This information can be useful for system troubleshooting and was often impossible to get after the connection came down TCP log events entry 2 10 through 1c have now been updated to show the IP address of the remote node in entries 3 and 4 New Station Manager Command killss The new killss station manager command has been added in this release of the IC697CMM742 TCP IP firmware The killss command is used to terminate established SRTP Server endpoints This command is intended for maintenance and diagnostic purposes only The syntax for the command is as follows killss all lt SRTP Serve
16. nance state the Station Manager prompt is required in the Maintenance state 9 Use the CHSOSW Station Manager commands to enter the configuration data for this Ethernet Interface The IP addressing parameters ip_address subnet_mask gateway and name_server must be set to values supplied by the person in charge of your network the network administrator TCP IP network administrators are familiar with these parameters It is important that these parameters are correct otherwise the Ethernet Interface may be unable to communicate on the network and or network operation may be corrupted It is especially important that each node on the network is assigned a unique IP address Enter the IP Address as follows chsosw ip_address lt a b c d gt where lt a b c d gt is the unique dotted decimal IP address for this node Enter the Subnet Mask as follows chsosw subnet_mask lt a b c d gt where lt a b c d gt is the dotted decimal subnet mask for this network segment Enter the Gateway IP Address as follows chsosw gateway lt a b c d gt where lt a b c d gt is the unique dotted decimal IP address of the gateway device Enter the Name Server IP Address as follows chsosw name_server lt a b c d gt where lt a b c d gt is the unique dotted decimal IP address of the name server device The CHSOSW command may also be used to change the parameters for either serial port on the Ethernet Interface in cases where the d
17. ncrease the size of the LLC transmit ring The current value is 3 implying a ring size of 8 A value of 4 specifies a transmit ring size of 16 value 5 specifies a ring size of 32 This value can be changed in the IC697CMM742 Maintenance mode using the station manager chparm txringlen command Changes and Additions to the User s Manual GFK 1246 Instructions for Upgrading Firmware These instructions are provided in Appendix E of the User s Manual Special Notes on Using IC697CMM742 with PLC CPUs Versions 4 12 5 50 The IC697CMM742 Ethernet Interface Type 2 is designed for high performance operation and convenient installation with IC697 PLC CPU versions 6 00 and later These PLC CPUs recognize and support the Ethernet Interface Type 2 and provide the high throughput demanded by this product GE Fanuc recommends use of IC697 PLC CPUs with version 6 00 and later firmware to obtain the full capabilities of the Ethernet Interface Type 2 Versions 1 10 and later of the Ethernet Interface Type 2 also provide restricted operation with IC697 PLC CPUs running firmware versions 4 12 through 5 50 These notes describe the necessary Ethernet Interface configuration and restricted operation with these PLC CPUs The Ethernet Interface Type 2 cannot be used with PLC CPU firmware versions prior to 4 12 Important Product Information Factory LAN TCP IP Ethernet Interface Type 2 7 GFK 1314E October 1 1997 Ethernet Interfa
18. odule First create a dummy entry in the PLC Configuration for the rack and slot where the Ethernet Interface is installed 1 Connect a PC running the IC641 PLC Configuration software to the PLC via the built in serial port on the PLC CPU module Then access the I O Configuration screen of the IC641 PLC Configuration software 2 Move the cursor to the rack and slot where the Ethernet Interface Type 2 is installed This slot must be configured as a 3rd Party VME module as follows From the I O Configuration screen press the vme soft key F7 From the next screen press the vme soft key F1 then move the cursor to the 3RD PARTY VME MODULE selection and press the Enter key to select Press the Escape key to return to the I O Configuration screen The slot containing the Ethernet Interface will be displayed as 3PY VME If there is no vme soft key in the I O Configuration screen configure the rack and slot where the Ethernet Interface Type 2 is installed as a Blank jumper as follows Press the m70_io soft key F1 From the next screen press the other soft key F7 then move the cursor to the BLANK SLOT INTERRUPT JUMPER selection and press the Enter key to select Press the Escape key to return to the I O Configuration screen The slot containing the Ethernet Interface will be displayed as JUMPER 3 Press the Escape key to save the PLC configuration to disk 4 Use of the dummy module typ
19. of naming parameters via IC641 Configuration Software Version 2 0 These parameters include the Network Address Name and the Name Table Previous versions of IC697CMM 742 firmware restricted naming parameter configuration to station manager commands while in maintenance mode Reduction in Fault Logging for Event 12 entry 2 f This fault is logged upon receipt of a TCP Reset Previously released versions of 1C697CMM 742 firmware would log this condition regardless of the state of the TCP connection This release of firmware will only log this condition if the connection has not been successfully established This is to accommodate certain host TCP IP stacks that routinely terminate connections using TCP Reset instead of TCP FIN Tt Some versions of HCT do not support the Send Information Report COMMREQ Please refer to the appropriate HCT IPI document for more information Microsoftand Windowsarere gistered trademarks of Microsfot Corporation DEC VAX Alpha AXP and VMS are trademarks of Digital Equipment Corporation Important Product Information Factory LAN TCP IP Ethernet Interface Type 2 GFK 1314E October 1 1997 LLC Recovery Time Reduced Whenever a fatal LLC error is encountered recorded as log event c entry 2 105 10a 10b or 10f the Ethernet controller on the Ethernet Interface is reinitialized Previously released versions of IC697CMM742 firmware would retry immediately and then wait 10 seconds before atte
20. on load completion OK LED is blinking other LEDs are OFF turn the PLC power supply OFF and then ON this is necessary to establish communication between the PLC CPU and the Ethernet Interface
21. r endpoint gt lt SRIP Server endpoint gt killss all causes all established SRTP Server endpoints to be terminated If the endpoint numbers as shown in the output 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 Enhanced Station Manager Output for statv 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 4 Important Product Information Factory LAN TCP IP Ethernet Interface Type 2 October 1 1997 GFK 1314E Operational Notes Network Bandwidth Utilization Due to its performance potential the IC697CMM 742 Interface can present a heavy load on the network segment at its maximum operating capacity It is strongly recommended that caution be taken when using multiple connections operating in an as fast as possible mode Tests conducted showed that 32 simultaneous Channels transferring 2 Kilobytes of data per Channel between two IC697CMM742 Interfaces can use up as much as 18 of the total network bandwidth when the Channels are all configured to run as fast as possible using 91x or 92x CPUs The potentially hig
22. ted pair and the 10Base2 thin wire require no external transceiver In addition a standard AUI port is available for use with an external user supplied transceiver Only one of the three network ports may be used at a time Release 2 00 provides additional features and benefits for this module All new features require IC641 Configuration Software Version 2 00 The features include Ethernet Global Data and Enhanced Name Resolution support A description of these features is provided later in this document Compatibility The IC697CMM 742 Ethernet Interface is compatible with the following products m C697 PLC CPU models 781 782 914 915 924 and 925 loaded with firmware versions 6 00 or later Limited Server mode only operation is possible with older CPU models described below CPU Release 7 0 or higher is required for Ethernet Global Data and Enhanced Name Resolution m C641 programming software version 6 02 or later required to configure the Ethernet Interface m 1C697CMM 741 Ethernet Interface loaded with TCP IP software IC651ENS042 m 1C693CMM321 Ethernet Interface 2 Important Product Information Factory LAN TCP IP Ethernet Interface Type 2 October 1 1997 GFK 1314E Host Communications Toolkit software products listed below Toolkit for Microsoft Windows C C Applications IC641SWP052D or later Toolkit for Windows NT C C Applications IC641SWP058B or later Toolkit for HP UX C Applications IC641SWP054B
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