Panasonic FP2 Manual
Also see for FP2 Series: Programming manualProduct manualTechnical manualTechnical manualUser manual
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Contents
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FP2−CCUTroubleshooting5 − 65.2 What to Do if an Error Occurs5.2.3 Communication is InhibitedSituationThere is a possibility that the cables have not been connected correctly.SolutionIf using the unit for the first time, there is a possibility that the cables have been connectedincorrectly. Check the connector wiring diagram and check for conductivity, using atester.For information on wiring and connections, please check “Chapter 4 RS232C PortWiring”.5.2.4 If an Error Response is Returned to the Host SideSituationThere is an error in the format of the command sent from the host side, or the PLC sideis unable to process the command.SolutionTake corrective action based on the error response code.For information on error codes, please check page 6 − 5.If the host side is a display panel, check the following.− Check to see if communication conditions match between the displaypanel side and the PLC side, such as the transmission format andtransmission speed (baud rate).− If the device number specified on the display panel side is out of therange of numbers that can be used by the PLC involved in the com-munication, error code 61 (Data Error) may be returned as an errorresponse in some cases.If the host side is a computer, try the processing again.− If correct data is received after erroneous data has been received, theERROR LED goes out.Tip |
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