McQuay Micro Tech Open Protocol Driver Manual Table of Contents
FieldServer Technologies 1991 Tarob Court Milpitas, California 95035 USA Web: www.fieldSer ver.com
Tel: (408) 262 2299 Fax: (408) 262 2269 Toll Free: (888) 509 1970 email: support@fieldSer ver.com
TABLE OF CONTENTS 1.
McQuay Micro Tech Open Protocol Description ..........................................................................3
2.
Driver Scope of Supply....................................................................................................................5
2.1.
Supplied by FieldServer Technologies for this driver .....................................................................5
2.2.
Provided by Supplier of 3
rd
Party Equipment..................................................................................5
3.
Hardware Connections.................................................................................................................... 5
4.
Configuring the FieldServer as a McQuay Micro Tech Open Protocol Client............................ 6
4.1.
Data Arrays.....................................................................................................................................6
4.2.
Client Side Connection Descriptors................................................................................................ 7
4.3.
Client Side Node Descriptors .........................................................................................................8
4.4.
Client Side Map Descriptors........................................................................................................... 9
4.4.1.
FieldServer Related Map Descriptor Parameters ...................................................................9
4.4.2.
Driver Related Map Descriptor Parameters ............................................................................9
4.4.3.
Timing Parameters.................................................................................................................. 9
4.4.4.
Map Descriptor Example 1 – Read Everything. ....................................................................10
4.4.5.
Map Descriptor Example 2 – Read a particular Data Field................................................... 11
4.4.6.
Map Descriptor Example 3 – Write........................................................................................11
5.
Configuring the FieldServer as a McQuay Micro Tech Open Protocol Server ........................ 12
5.1.
Server Side Connection Descriptors ............................................................................................12
5.2.
Server Side Node Descriptors...................................................................................................... 13
5.3.
Server Side Map Descriptors........................................................................................................14
5.3.1.
FieldServer Specific Map Descriptor Parameters .................................................................14
5.3.2.
Driver Specific Map Descriptor Parameters ..........................................................................14
5.3.3.
Timing Parameters................................................................................................................ 14
5.3.4.
Map Descriptor Example – Strategy 1. .................................................................................15
5.3.5.
Map Descriptor Example – Strategy 2. .................................................................................16
Appendix A.
Advanced Topics .........................................................................................................17
Appendix A.1.
Scaling.......................................................................................................................... 17
Appendix A.2.
Data Field Name Tables............................................................................................... 18
Appendix A.3.
McQuay Equipment Types recognized by the driver.................................................... 27
Appendix A.4.
Direct Addressing .........................................................................................................27
5.3.6.
Driver Related Map Descriptor Parameters ..........................................................................28
Appendix A.5.
Advanced Map Descriptor Example 1– Reading direct address.................................. 29
Appendix A.6.
Advanced Map Descriptor Example 2 – Controlling Bytes per Field – Reading ..........29
Appendix A.7.
Advanced Map Descriptor Example 3 – Controlling Bytes per Field – Writing ............ 30
Appendix A.8.
Statistics .......................................................................................................................31
Appendix B.
Error Messages............................................................................................................ 33
Appendix C.
Troubleshooting...........................................................................................................35
Appendix C.1.
Connection Problems................................................................................................... 35
Appendix C.2.
Negative Acknowledgement - NAK ..............................................................................35
Appendix C.3.
Node ID problems ........................................................................................................35
Appendix C.4.
Server Side Configuration – Consecutive Addresses ..................................................35