Design Guide
Revision 1.12
1998-08-12
HMS F
IELDBUS
S
YSTEMS
AB
Page 2 (35)
Preface ....................................................................................................................................................................... 4
0 Revision Notes....................................................................................................................................................... 5
Index.......................................................................................................................................................................... 5
Date............................................................................................................................................................................ 5
Chapter...................................................................................................................................................................... 5
Author ....................................................................................................................................................................... 5
Revision..................................................................................................................................................................... 5
1 Introduction ........................................................................................................................................................... 6
1.1 Terminology .................................................................................................................................................... 6
1.2 Background ..................................................................................................................................................... 6
1.3 Conditions of Trademark Use ....................................................................................................................... 6
2 Description of the ANYBUS DATATRANSFER Module .................................................................................. 7
2.1 Interface to the Application ........................................................................................................................... 7
2.1.1 Parallel Interface....................................................................................................................................... 8
2.1.2 Serial Interface.......................................................................................................................................... 8
3 Introduction to an ANYBUS Application............................................................................................................ 9
3.1 Future use compatibility .............................................................................................................................. 10
3.1.1 Application interface (for future use).................................................................................................. 10
3.1.2 Mounting devices (for future use) ........................................................................................................ 10
4 Dual Ported RAM Interface................................................................................................................................ 12
4.1 Signal Description......................................................................................................................................... 12
4.2 Memory Map................................................................................................................................................. 12
4.2.1 Input Area (000h - 1DFh)....................................................................................................................... 13
4.2.2 Output Area (1E0h - 3BFh).................................................................................................................... 13
4.2.3 Fieldbus Specific Area (3C0h - 3DFh)................................................................................................... 13
4.2.4 Control Register (3E0h - 3FFh).............................................................................................................. 14
4.3 Handshake Procedure .................................................................................................................................. 18
4.3.1 Initialisation ............................................................................................................................................ 18
4.3.2 Data Exchange Mode............................................................................................................................. 20
5 Interface Software Design................................................................................................................................... 23
6 Mechanical Specification..................................................................................................................................... 24
6.1 Module Mechanical Drawing ...................................................................................................................... 24
6.2 Connectors..................................................................................................................................................... 25
6.2.1 Application Connector........................................................................................................................... 25
6.2.2 Fieldbus Connector ................................................................................................................................ 25
6.3 Mounting Devices......................................................................................................................................... 26
7 Electrical Specifications....................................................................................................................................... 27
7.1 Application Connector Pin Description...................................................................................................... 27
7.2 Signal Description......................................................................................................................................... 28