NT21_Setup Manual (V068-E1-1) (986757), страница 32
Текст из файла (страница 32)
Error]Memory table entry number isout of limit.Correct the table entry numberby the NT Support Tool.The memory table entry numberset with the NT Support Tool isoutside the range for the numberof entries in the memory table setin the system memory.Either increase the number of memory tableentries in the System settings under PTConfiguration at the NT Support Tool, or set thememory table entry number again within theestablished range. Then transmit all of thescreen data in a batch to the NT21.[Programming Console Error]Setting of Programming ConsoleFunction is inadequate.
It can becaused by:S This PLC does not support Progg Console Function.grammingS Protocol mismatch. Set the PLCto NT Link.S “PROGRAMMING CONSOLE”is connected to PLC.The communication settings areincorrect.Set the communication method/communicationport as follows when using the ProgrammingConsole function.S With C-series PLCs:1:1 NT LinkS With CS/CJ-series PLCs:1:N NT Link (standard or high-speed)The PC used does not supportthe Programming Consolefunction.Not all PCs support the Programming Consolefunction. Check the model of the PC you areusing.
(6-12 Programming Console Function,page 165)A Programming Console isconnected.It is not possible to use a Programming Consoleand the Programming Console function at thesame time. Disconnect the ProgrammingConsole.The connecting cable isdefective.Check the cable connection and perform aconductivity test. If there is a fault, replace thecable.Malfunction due to external noiseCarry out grounding work in accordance with theconditions by referring to 3-1-4 Grounding, page18.A Programming Console isconnected.A Programming Console and the ProgrammingConsole function can be used at the same timein CS/CJ series PCs only.
If another PC is beingused, disconnect the Programming Console.The communication conditions atthe PC have been changed inaccordance with the NT21Programming Console function.Set the communication conditions at the PC tomatch the conditions set in the System Menu.[Programming Consol Error]Programming Console Functiondoes not RUN. It can be causedby:S Connecting cable is faulty.CONSOLE”S “PROGRAMMINGPROGRAMMING CONSOLEis connected to PLC.S Protocol mismatch between thePT and PLC. Set the PLC to NTLink.179SectionResponding to Displayed Error Messages7-27-2-3 Errors Occurring on Screen Data Initialization and TransmissionThe table below shows the errors that can occur when the NT21 data is initialized, and during data setting and transmission, and their remedies.MessageCauseRemedy[Flash Memory Error]Flash Memory I/O Error.If this happens frequently, FlashMemory may be broken.Press Reset Switch to restart.There is a hardware fault, or theflash memory (memory forstoring screen data) has reachedthe end of its service life.If the same message is displayed even afterclearing the screen data or transmitting screendata several times, contact your OMRONservice center.[Tool Transmit Error]∗∗∗∗ Error detected whiledownloading by the followingcase:S faulty connecting cable.S corrupted data by noise.The connecting cable isdefective.Check the cable connection and perform aconductivity test.
If there is a fault, replace thecable. (Appendix E Making the Cable forConnecting a PC, page 199)Malfunction due to external noiseCarry out grounding work in accordance with theconditions by referring to 3-1-4 Grounding, page18.[Tool Transmit Error]Check Sum Error occurs whiledownloading by the followingcase:S corrupted data by noise.Malfunction due to external noiseCarry out grounding work in accordance with theconditions by referring to 3-1-4 Grounding, page18.[Tool Transmit Error]Time-out Error occurs whiledownloading by the followingcase:S faulty connecting cable.The connecting cable isdefective.Check the cable connection and perform aconductivity test.
If there is a fault, replace thecable.[Tool Transmit Error]Reception was failed by BufferOver Flow Error.The receive buffer hasoverflowed.Retransmit the data from the NT Support Tool.180SectionResponding to Displayed Error Messages7-27-2-4 Errors in the System Installer Mode and Their RemediesThis section describes the errors that may occur in the System Installer mode ofthe NT21, and the remedies for these errors.MessageCauseRemedySystem Program not exist orincorrect.- The system program has notbeen installed.- The system program has beendeleted due to a hardwarefault, or because the flashmemory (memory for storingthe system program) hasreached its life.Select Download System Program anddownload the system program (6-5-2Clearing/Installing the System Program, page119).If this does not solve the problem, contact yourOMRON service center.Unable to erase SystemProgram.Hardware fault, or flash memory(memory for storing the systemprogram) has reached its life.If the same message is displayed on repeatingselection of Download System Program andattempting to delete the system program severaltimes, contact your OMRON service center(6-5-2 Clearing/Installing the System Program,page 119).Unable to download SystemProgram.- A communication erroroccurred during downloadingof the system program.- Illegal data has been writteninto the screen data memory.- Hardware fault, or flashmemory (memory for storingthe system program) hasreached its life.Select Download System Program anddownload the system program again (6-5-2Clearing/Installing the System Program, page119).Also refer to 7-2-3 Errors Occurring on ScreenData Initialization and Transmission (page 180),and take the corrective action described for tooltransmission errors.If this does not solve the problem, contact yourOMRON service center.Unable to write System Settings.Hardware fault, or flash memory(memory for storing the systemprogram) has reached its life.If the same message is displayed on repeatingwriting of system settings several times, contactyour OMRON service center.If writing is normally terminated after the errormessage was once displayed, the MemorySwitch setting for system program may havebeen altered.
In such a case, check and re-setthe setting in the Memory Switch menu of theMaintenance mode.Unable to erase Screen Data.Hardware fault, or flash memory(memory for storing the systemprogram) has reached its life.If the same message is displayed on repeatingscreen data deletion several times, contact yourOMRON service center.7-2-5 Communication Errors and Their RemediesThis section describes the errors relating to communication that can occur during operation, and their remedies.Operation When aCommunication ErrorOccursWhen a communication error occurs, the error message is displayed at theNT21, and the buzzer sounds, provided the setting made for Buzzer Sound inthe System Menu is other than OFF.
An error message is displayed provided thesetting for the Comm. Auto-Return memory switch is not ON (note that some error messages are displayed even if the setting is ON).Operation WhenCommunication ErrorsOccurWhen an error message is displayed, press the OK touch switch displayed onthe screen. The NT21 will return to the screen that was displayed before the error occurred, and operation will restart.Display ofCommunication ErrorsFor communication errors, the name of the port at which the error occurred, theerror classification (send or receive error), the details of the error, the probablecause, and the remedy, are displayed as shown below.181SectionResponding to Displayed Error Messages7-2Example:Parity error at serial port AReceive ErrorsThe following errors can occur when receiving data.• Parity error• Framing error• Overrun error• FCS (sum value) error• Time out error• Data over flow error• PC unit number error (host link only)• NAK received (in the case of the host link, the end code is also displayed)• Undefined command errorSend ErrorsThe following errors can occur when receiving data.• Time out error• Data over flow errorProbable Causes andRemediesError DetailsParity ErrorFraming ErrorOver-run ErrorFCS (Check Sum) Error182The remedies to take in accordance with the displayed cause are indicated in thetable below.Displayed Probable CauseRemedyCommunication parameters/conditions set incorrectly.Check if the settings at the host for parity bit, framelength, baud rate, stop bit length and flow controlagree with those at the NT21.The connecting cables are notconnected correctly.Check the communication cable connection andperform a conductivity test.
![](https://s.studizba.com/z.php?f=/templates/si/i/noavatar.png&w=100&h=100&t=1"){kind=avatar}
