Siemens SPC3 manual 4.1 74.2, Synchronous Motorola-Mode, Processor-Read-Timing

Page 53

 

 

SPC3

PROFIBUS Interface Center

 

 

 

 

 

 

The request for a read access to SPC3 is derived from the positive edge of the E clock (in addition: XCS = 0, R W = 1). The request for a write access is derived from the negative edge of the E clock (in addition: XCS = 0, R W = 0).

AMI-Vers.

No.

Parameter

Min

Max

 

 

 

 

ST-Vers.

 

Min

Max

Unit

40

41

42

43

44

45

46

47

48

49

50

51

E_Clock-Pulse-Width

Address (AB10..0) Setuptime to E_Clock − Address (AB10..0) Holdtime after E_Clock ↓ E_Clock − to Data Active Delay E_Clock − to Data valid (Zugriff auf RAM)

E_Clock − to Data valid (Zugriff auf die Register)

Data Holdtime after E_Clock ↓

R_W Setuptime to E_Clock −

R_W Holdtime after E_Clock ↓

XCS Setuptime to E_Clock −

XCS Holdtime after E_Clock ↓

Data Setuptime to E_Clock ↓

Data Holdtime after E_Clock ↓

8.5.4.1.

T+

74.2

10

5

5.7

2

10

5

0

0

10

10

17

4T + 5

(88,3)

4T + 18

(101,3)

6.3

3T + 74.2

ns

10

 

ns

5

 

ns

5

 

ns

 

3T + 44.2

ns

 

(107)

 

 

4T + 21.9

ns

 

(105,2)

 

4

12

ns

10

 

ns

5

 

ns

0

 

ns

0

 

ns

10

 

ns

10

 

ns

Explanations:

 

T

=

Clock pulse cycle (48MHz)

TBD

=

to be defined

(1

=

Access to the RAM

 

(2

=

Access to the registers/latches

 

(3

=

For T = 48 MHz

 

Synchronous Motorola-Mode, Processor-Read-Timing

 

 

 

40

E_Clock

44

 

41

 

42

AB(10..0)

VALID

 

43

 

45

DB(7..0)

Data Invalid

Data Valid

46

 

47

R_W

 

 

48

 

49

XCS

 

 

 

 

AS = log.'1'

SPC3 Hardware Description

V1.3

Page 51

Copyright (C) Siemens AG 2003 All rights reserved.

 

2003/04

Page 52 Page 54
Image 53
Page 52 Page 54
Contents Simatic NET Page SIM Atic NET SPC3 Hardware Description Profibus Interface CenterRelease Date Changes VersionsStatus Register Interrupt Controller Watchdog Timer Mode RegisterDPBuffer Structure Description of the DP Services DirectoryPin Assignment Example for the RS 485 Interface 11.3 Diagnostics Processing from the System ViewAsic Test SPC3 Introduction Function Overview Cmos Pin DescriptionCPD 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 1BH 1AH1CH 1DHAsic Interface Mode RegisterDisstartcontrol STARTSPC3 Mode Register 1 Mode-REG1, writableExiting the Offline state EOIStatus Register Status Register Bit15 . .readable FdlindstSPC3 IRR IMR Interrupt ControllerDxout IAR IMRAutomatic Baud Rate Identification Watchdog TimerBaud Rate Monitoring Response Time MonitoringDPBuffer Structure PROFIBUS-DP InterfaceUart Aux-Buffer Management RAMSequence for the SetSlaveAddress Utility Description of the DP ServicesSetSlaveAddress SAP55 Parameter Data Processing Sequence SetParam SAP61Parameter Data Structure SPC3 CheckConfig SAP62SPC3 Diagnostics Processing SequenceSlaveDiagnosis SAP60 Writing Outputs Structure of the Diagnostics BufferWriteReadData / DataExchange DefaultSAP Reading Inputs GlobalControl SAP58 UserWatchdogTimerReadOutputs SAP57 GetConfig SAP59ReadInputs SAP56 Universal Processor Bus Interface Hardware InterfaceGeneral Description Bus Interface Unit BIUBus Interface V1.3 XINT/MO ModeLow Cost System with 80C32 Switching Diagram PrinciplesSystem X86-Mode Application with the 80 C SPC3Application with th 80 C Asic Test Interface SignalsUart Maximum Limit Values Technical DataPermitted Operating 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 SYS Bus Interface Timing CharacteristicsClock pulse 48 Mhz Clock Pulse TimingTiming in the Synchronous C32-Mode ResetST-Vers Min Max Unit TBDSynchronous Intel-Mode, Processor-Write-Timing Synchronous Intel-Mode, Processor-Read-TimingParameter Min Max Timing in the Asynchronous Intel Mode X86 ModeST-Vers XRD XCS Xready Asynchronous Intel-Mode, Processor-Read-TimingAsynchronous Intel-Mode, Processor-Write-Timing XWR XCSSynchronous Motorola-Mode, Processor-Read-Timing 4.1 74.2Timing in the Asynchronous Motorola-Mode for example, 68HC16 Synchronous Motorola-Mode, Processor-Write-TimingAsynchronous Motorola-Mode, Processor-Write-Timing Asynchronous Motorola-Mode, Processor-Read-TimingXCS Xdsack Pulse 48 MHz Serial Bus InterfaceHousing PQFP-44 Housing SPC3 Hardware Description 13.65 Symbol Min Typ Max AMI-Vers13.90 14.15Pin Assignment Profibus InterfaceRTS TXDSN65ALS1176 Example for the RS 485 InterfaceAddresses AppendixProfibus User Organisation Technical contact person at ComDeC in GermanyOrdering of ASICs General Definition of Terms10.3.1 SPC3 AMI 10.3.2 SPC3 STDiagnostics Bits and Expanded Diagnostics Appendix a Diagnostics Processing in Profibus DPIntroduction StatdiagIdentifier Byte 7 has Etc Identifier Byte 0 has Single Diagnostics Diagnostics Processing from the System ViewSimatic S5 / COM ET CombiData format in the Siemens PLC Simatic Appendix B Useful InformationPage Siemens Aktiengesellschaft

SPC3 specifications

Siemens SPC3 is a state-of-the-art solution designed to enhance industrial automation, providing businesses with a robust platform for managing complex processes efficiently. This device epitomizes Siemens' commitment to innovation, blending cutting-edge technology with user-friendly features to deliver optimized performance across various applications.

One of the standout features of the Siemens SPC3 is its advanced processing capabilities. Equipped with high-performance processors, it can handle various tasks simultaneously, ensuring seamless operation even in demanding environments. This performance is complemented by enhanced memory capacity, which allows for increased data handling and improved execution speed, crucial for real-time monitoring and control applications.

The Siemens SPC3 also integrates a modular design, enabling flexibility and scalability. This characteristic allows users to customize their systems according to specific operational needs, adding or removing components as required. This adaptability is particularly beneficial for businesses that aim to scale their operations without incurring the substantial costs associated with overhauling existing systems.

Furthermore, the SPC3 employs the latest communication technologies, ensuring interoperability with various devices and systems. It supports industry-standard protocols, facilitating efficient data exchange between components. This connectivity is vital for establishing smart factories and enhancing overall productivity by creating a unified ecosystem.

Another significant aspect of the Siemens SPC3 is its focus on security. As cyber threats in industrial settings become increasingly sophisticated, Siemens prioritizes safeguarding user data and system integrity. The SPC3 incorporates advanced security features, including encryption and access control measures, to protect against unauthorized access and ensure data confidentiality.

Siemens has also emphasized ease of use in the SPC3. The interface is designed to be intuitive, allowing operators to navigate and configure the system effortlessly. Coupled with comprehensive software tools, users are empowered to implement changes swiftly while minimizing downtime.

In terms of energy efficiency, the SPC3 incorporates technologies that allow for optimized energy consumption, aligning with sustainability goals prevalent in today’s industries. By reducing energy waste, businesses not only lower operational costs but also contribute to environmental conservation.

In summary, Siemens SPC3 represents a significant advancement in industrial automation technology. Its high-performance processing, modular adaptability, advanced communication capabilities, robust security measures, and user-friendly design make it an ideal choice for businesses striving for efficiency and innovation in their operations. The SPC3 is more than just a control device; it is a comprehensive solution that meets the evolving demands of modern industries.
Top Page Image Contents