ProSoft Technology PS-QS-1x10-0781 - Manual (Page 4)

FieldServer Configuration Manual Table of Contents
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7.1.1.2 Remote Client finds a Node with Node_ID dependent on the data read from the remote Server
device. 49
7.1.2 Map Descriptor Parameters specific to Dynamic Parameters ............................................................. 50
7.1.3 Examples .............................................................................................................................................. 50
7.1.3.1 Example 1- Dynamic Allocation of Node ID .................................................................................... 50
7.1.3.2 Example 2 – Dynamic Allocation of System Node ID ...................................................................... 51
7.1.3.3 Example 3- Dynamic allocation of the BACnet MAC address ......................................................... 51
7.1.4 Error Messages .................................................................................................................................... 52
8 Port Expander Mode - PEX Mode ................................................................................................................. 53
8.1 How Port Expansion Works: ..................................................................................................................... 53
8.2 Advantages of Port Expander Mode ......................................................................................................... 53
8.3 Limitations of Port Expander Mode .......................................................................................................... 53
8.4 Port Expander Write Options ................................................................................................................... 53
8.5 Handling of Successive Writes to the Same Point .................................................................................... 54
8.6 Port Expansion Configuration: .................................................................................................................. 54
9 Timing Parameters ....................................................................................................................................... 55
9.1 Line Drive Parameters .............................................................................................................................. 57
9.2 Suppressing Squelch on Half Duplex Communications ............................................................................ 57
9.2.1 Setting Parameter Values .................................................................................................................... 58
9.2.2 Statistics ............................................................................................................................................... 58
9.3 Enable on RS-232 Port .............................................................................................................................. 59
10 Hot Standby ............................................................................................................................................ 60
10.1 Terminology .............................................................................................................................................. 60
10.2 Hot Standby Mode 1 (True Hot Standby) ................................................................................................. 60
10.2.1 Limitations of Hot Standby Mode 1 ..................................................................................................... 62
10.2.2 Configuring the FieldServer for Hot Standby Mode 1 .......................................................................... 62
10.3 Hot Standby Mode 2 (Dual Redundant Mode) ......................................................................................... 63
10.3.1 Single Port Server: ................................................................................................................................ 64
10.3.2 Dual Port Server: .................................................................................................................................. 64
10.3.3 Tiers – SCADA and PEX ......................................................................................................................... 65
10.3.4 RUINET functions for Hot Standby Mode 2 .......................................................................................... 65
10.3.5 Keepalive Map Descriptors .................................................................................................................. 66
10.3.6 Server Name......................................................................................................................................... 67
10.3.7 Application example using Hot Standby Mode 2 ................................................................................. 67
10.3.8 Configuring the FieldServer for Hot Standby Mode 2 .......................................................................... 68
10.3.8.1 Hot Standby Status Function ...................................................................................................... 68
10.3.8.2 Cable Status Function ................................................................................................................. 69
Appendix A. Useful Features ................................................................................................................................ 70
Appendix A.1. Using comments ............................................................................................................................... 70
Appendix A.2. Using conditional process statements ............................................................................................. 70
Appendix A.2.1. Disabling the Client side of a configuration: .......................................................................... 70
Appendix A.2.2. Disabling a Node .................................................................................................................... 71
Appendix A.3. Disabling Statistics Display ............................................................................................................... 72
Appendix B. Reference ........................................................................................................................................ 73
Appendix B.1. Working with the Driver Manuals .................................................................................................... 73
Appendix B.1.1. Introduction ........................................................................................................................... 73