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Siemens SPC3 manual Segment

Models: SPC3

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PROFIBUS Interface Center	SPC3

The complete internal RAM of the SPC 3 is divided logically into 192 segments. Each segment consists of 8 bytes. For more informations about the contents of the 3 memory areas see previous chapter.The physical address is build by multiplikation with 8.

Segment 0

Segment 1

Segment 2

Segment 190 Segment 191

internal SPC 3 RAM (1.5 kByte)

8 Bit Segmentaddresses (Pointer to the buffers

7

+

10

0

0

Page 12	V1.3	SPC3 Hardware Description
2003/04		Copyright (C) Siemens AG 2003. All rights reserved.

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Siemens SPC3 manual Segment

Contents

Simatic NET Page SIM Atic NET Profibus Interface Center SPC3 Hardware DescriptionVersions Release Date ChangesDPBuffer Structure Description of the DP Services Mode RegisterStatus Register Interrupt Controller Watchdog Timer DirectoryPin Assignment Example for the RS 485 Interface 11.3 Diagnostics Processing from the System ViewAsic Test SPC3 Introduction Function Overview Pin Description CmosCPD Cmos with pull down TTLt Schmitt trigger V1.3 5FFH Memory AllocationMemory Area Distribution in the SPC3 Segment Processor Parameters Latches/Register 0EH 0FH Significance Write AccessOCH 0DH Organizational Parameters RAM 1CH 1AH1BH 1DHMode Register Asic InterfaceDisstartcontrol Exiting the Offline state Mode Register 1 Mode-REG1, writableSTARTSPC3 EOIStatus Register Fdlindst Status Register Bit15 . .readableInterrupt Controller SPC3 IRR IMRDxout IMR IARBaud Rate Monitoring Watchdog TimerAutomatic Baud Rate Identification Response Time MonitoringPROFIBUS-DP Interface DPBuffer StructureUart RAM Aux-Buffer ManagementSequence for the SetSlaveAddress Utility Description of the DP ServicesSetSlaveAddress SAP55 Parameter Data Processing Sequence SetParam SAP61Parameter Data Structure CheckConfig SAP62 SPC3SPC3 Diagnostics Processing SequenceSlaveDiagnosis SAP60 Writing Outputs Structure of the Diagnostics BufferWriteReadData / DataExchange DefaultSAP Profibus Interface Center Reading InputsUserWatchdogTimer GlobalControl SAP58ReadOutputs SAP57 GetConfig SAP59ReadInputs SAP56 General Description Hardware InterfaceUniversal Processor Bus Interface Bus Interface Unit BIUXINT/MO Mode Bus Interface V1.3Switching Diagram Principles Low Cost System with 80C32System X86-Mode SPC3 Application with the 80 CApplication with th 80 C Asic Test Interface SignalsUart Permitted Operating Values Technical DataMaximum Limit Values DC-Specifikation of the I/O- DriversCurrent Tabelle 8.5 Leakage current of the output drivers AC-Specification for the Output DriversTabel 8.3 DC-Specifikation of the I/O- Drivers Clock pulse 48 Mhz Timing CharacteristicsSYS Bus Interface Clock Pulse TimingST-Vers Min Max Unit ResetTiming in the Synchronous C32-Mode TBDSynchronous Intel-Mode, Processor-Read-Timing Synchronous Intel-Mode, Processor-Write-TimingParameter Min Max Timing in the Asynchronous Intel Mode X86 ModeST-Vers Asynchronous Intel-Mode, Processor-Write-Timing Asynchronous Intel-Mode, Processor-Read-TimingXRD XCS Xready XWR XCS4.1 74.2 Synchronous Motorola-Mode, Processor-Read-TimingSynchronous Motorola-Mode, Processor-Write-Timing Timing in the Asynchronous Motorola-Mode for example, 68HC16Asynchronous Motorola-Mode, Processor-Write-Timing Asynchronous Motorola-Mode, Processor-Read-TimingXCS Xdsack Serial Bus Interface Pulse 48 MHzHousing PQFP-44 Housing SPC3 Hardware Description 13.90 Symbol Min Typ Max AMI-Vers13.65 14.15RTS Profibus InterfacePin Assignment TXDExample for the RS 485 Interface SN65ALS1176Profibus User Organisation AppendixAddresses Technical contact person at ComDeC in Germany10.3.1 SPC3 AMI General Definition of TermsOrdering of ASICs 10.3.2 SPC3 STIntroduction Appendix a Diagnostics Processing in Profibus DPDiagnostics Bits and Expanded Diagnostics StatdiagIdentifier Byte 7 has Etc Identifier Byte 0 has Simatic S5 / COM ET Diagnostics Processing from the System ViewSingle Diagnostics CombiAppendix B Useful Information Data format in the Siemens PLC SimaticPage Siemens Aktiengesellschaft