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P12x/EN T/Eb6 - Schneider - error

P12x/EN T/Eb6 - Schneider - error

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<strong>P12x</strong>/<strong>EN</strong> CT/<strong>Eb6</strong>MODBUS DatabasePage 56CommunicationsMiCOM P120/P121/P122/P123CODEF82DESCRIPTIONUnsigned integer: Number of disturbances records0: 11: 22: 33: 54.1 Disturbance record additional information4.1.1 MODBUS request definition used for disturbance recordTo upload a disturbance record, the following requests must be done in the exact givenorder:1. (optional): Send a request to know the number of disturbance records available inSRAM.2. (compulsory): Send a request with the record number and the channel number.3. (compulsory): Send one or several requests to upload the disturbance record data. Itdepends of the number of samples.4. (compulsory): Send a request to upload the index frame.4.1.2 Request to know the number of disturbance records in SRAMSlave number Function code Word address Word number CRCxx 03h 3Dh 00 00 24h xx xxThis request may be answered an <strong>error</strong> message with the <strong>error</strong> code:4.1.3 Service requestsEVT_NOK(OF):No record availableNOTE: If there is less than 5 records available, the answer will contains zeroin the non-used words.This request must be send before uploading the disturbance record channel samples. Itallows to know the record number and the channel number to upload. It allows also to knowthe number of samples in the channel.Slave number Function code Word address Word number CRCxx 03h Refer to mapping 00 0Bh xx xxThis request may be answered an <strong>error</strong> message with two different <strong>error</strong> codes:CODE_DEF_RAM(02):CODE_EVT_NOK(03):4.1.4 Disturbance record upload requestSRAM failureNo disturbance record available in SRAMSlave number Function code Word address Word number CRCxx 03h Refer to mapping 01 to 7Dh xx xxThis request may be answered an <strong>error</strong> message with two different <strong>error</strong> codes:CODE_DEP_DATA(04): The required disturbance data number isgreater than the memorised number.CODE_SERV_NOK(05): The service request for disturbance record andchannel number has not been send.

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