User guide
Contents
840 USE 115 00 Version 1.0
 vii
6.1.8 Application LED ............................................................................................. 57
6.1.9 Reading and Clearing the Error Log ..............................................................  57
6.2 Hot Swapping An Ethernet Module  ................................................................  60
6.3 Downloading a New Software Image  ............................................................. 61
Appendix A Specifications ........................................................................ 63
Appendix B Ethernet Developers Guide ................................................... 65
B.1  Introduction .................................................................................................... 65
B.2  References  .................................................................................................... 65
B.3  Overview ........................................................................................................ 66
B.4  Development Environment  ............................................................................ 66
B.5  Class Descriptions ......................................................................................... 67
B.6  The CSample_doc Class ............................................................................... 68
B.7  The CSample_View Class ............................................................................. 69
B.8  Timers ............................................................................................................ 71
B.9  Transaction Processing ................................................................................. 71
B.10  Transmit State Machine ................................................................................. 72
B.11  Receive State Machine .................................................................................. 74
B.12  Displaying on the Screen ............................................................................... 76
Appendix C Quantum Ethernet TCP/IP Modbus Application Protocol .. 77
C.1  Introduction .................................................................................................... 77
C.2  Modbus Application Protocol PDU Analysis .................................................. 80
C.3  TCP/IP Specific Issues .................................................................................. 82
C.4  Reference Documents ................................................................................... 83
Appendix D Suppliers ................................................................................ 85
Glossary ....................................................................................................... 87 
Index ............................................................................................................  93










