SPC3 PROFIBUS Interface Center
SPC3 Hardware Description V1.3 Page 5
Copyright (C) Siemens AG 2003 All rights reserved. 2003/04
7.1.6
Interface Signals 43
7.2
UART 43
7.3
ASIC Test 43
8 TECHNICAL DATA 44
8.1
Maximum Limit Values 44
8.2
Permitted Operating Values 44
8.3
DC-Specifikation of the I/O- Drivers 44
8.4
AC-Specification for the Output Drivers 45
8.5
Timing Characteristics 46
8.5.1
SYS Bus Interface 46
8.5.2
Timing in the Synchronous C32-Mode: 47
8.5.3
Timing in the Asynchronous Intel Mode (X86 Mode) : 49
8.5.4
Timing in the Synchronous Motorola Mode (E_Clock-Mode, for example, 68HC11) : 50
8.5.5
Timing in the Asynchronous Motorola-Mode (for example, 68HC16) : 52
8.5.6
Serial Bus Interface 54
8.5.7
Housing 55
8.5.8
Processing Instructions 56
9 PROFIBUS INTERFACE 57
9.1
Pin Assignment 57
9.2
Example for the RS 485 Interface 58
10 APPENDIX 59
10.1
Addresses 59
10.2
General Definition of Terms 60
10.3
Ordering of ASICs 60
10.3.1
SPC3 (AMI) 60
10.3.2
SPC3 (ST) 60
11 APPENDIX A: DIAGNOSTICS PROCESSING IN PROFIBUS DP 61
11.1
Introduction 61
11.2
Diagnostics Bits and Expanded Diagnostics 61
11.2.1
STAT_DIAG 61
11.2.2
EXT_DIAG 61
11.2.3
EXT_DIAG_OVERFLOW 63
11.3
Diagnostics Processing from the System View 63
12 APPENDIX B: USEFUL INFORMATION 64
12.1
Data format in the Siemens PLC SIMATIC 64