Pilz PNOZmulti 2 User Manual

Communicationmodules
OperatingManualCommunicationinterfaces
1002971EN03
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– Response:Confirmationofrequest
Therequestisconfirmed:Requestnumber+0x80(Bit7set).
Iftherequestcannotbeprocessed,anerrormessageisreturned
Troubleshooting[ 49].
} Byte5:HighByteofsegmentnumber
} Byte6:LowByteofsegmentnumber
} Byte7
– Request:Always0x00
– Response:Reserved
5.5.2 Usabledata
ThetelegramcontainspayloadfromByte8.Thecontentandnumberofpayloadbytesde
pendontherequest.040bytesofpayloadcanbetransmitted.Ifthereisnopayload
available,theBCC(BlockControlCheck)willfollowdirectlyafterByte7.
Thelastbyteofpayloadisthebyte"Payloadamount+7".
Ifatelegramcontains13payloadbytes,forexample,Byte20willbethelastpayloadbyte.
5.5.3 Footer
Thebytes"Payloadamount+8"and"Payloadamount+9"containthe
} checksum(BlockControlCheck=BCC)inthebyte"Payloadamount+8":
Thechecksumiscalculatedasfollows:
BCC=0–(Byte4+...+Byte"Payloadamount+7")
} 0x10asidentifierforthetelegramendinthebyte"Payloadamount+9".
Examplefor13bytesofpayload:
} ChecksuminByte21
– Content:0(SumoftheBytes4+…+Byte20)
} 0x10asidentifierforthetelegramendisinByte22.

Pilz PNOZmulti 2 Specifications

General

Brand	Pilz
Model	PNOZmulti 2
Category	Control Unit
Language	English