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DPC31 HW

Page 4 Version V 1.0

DPC31 HW Description

Inhaltsverzeichnis

1 INTRODUCTION 7

2 OVERVIEW 8

2.1 General Data 8

2.2 Differences Between the DPC31 and the SPC3/SPC4 8

2.3 Function Overview (Block Diagram) 9

2.4 Pin Description 11

3 MEMORY ASSIGNMENT 12

3.1 Memory Area Distribution in the DPC31 12

3.2 Control Unit Parameters (Latches/Registers) 12

3.3 Organizational Parameters (RAM) 14

4 ASIC INTERFACE 20

5 COMMUNICATION FUNCTIONS OF THE SEQUENTIAL CONTROL SYSTEM 21

5.1 Setting Up the DP Buffer Structures 21

5.1.1 Structure of the Buffers 21

5.1.2 Request Interface for DPS (Instruction Queue) 21

5.1.3 Acknowledgement Interface (Indication_Queue) 23

5.2 DPS Module, Description of the Interface 24

5.2.1 Set_Slave_Address, SSA (SAP55) 25

5.2.2 Set_Param, Prm (SAP61) 26

5.2.3 Check_Config, CCFg (SAP62) 28

5.2.4 Slave_Diagnosis (SAP60) 28

5.2.5 Write_Read_Data (Default SAP) 29

5.2.6 Global_Control (SAP58) 31

5.2.7 Read_Inputs (SAP56) 33

5.2.8 Read_Outputs (SAP57) 33

5.2.9 Get_Config (SAP59) 33

6 USER FUNCTIONS ON THE C31 CONTROLLER 34

1 2 3 4 5 6 7 8 9 10 11 ... 93 94

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Siemens SPC3 Dokumentacja Strona 6