Technical data

Table of Contents
Siemens Building Technologies, Inc. iii
Dimensions and Weights...........................................................................................72
Unit-specific Data.......................................................................................................72
Options ......................................................................................................................76
Chapter 9 — SED2 Communications..........................................................................77
Overview....................................................................................................................77
Using the Serial Interface ..........................................................................................77
Working with Serial Communications........................................................................77
Introduction...........................................................................................................77
RS-232 and RS-485 Serial Interfaces..................................................................77
Typical RS-485 Multi–drop Interface....................................................................78
I/O, Point Database, and Parameters........................................................................78
Hardware Inputs and Outputs ..............................................................................78
Point Database.....................................................................................................79
Ordering Notes .....................................................................................................79
Setting up Parameters for the SED2....................................................................79
Verifying Parameters............................................................................................80
Using the SED2 with SBT (P1).............................................................................80
Strategies for FLN (P1) ........................................................................................80
Other Functionality ...............................................................................................82
N2 Bus Connections..................................................................................................88
N2 Implementation Notes.....................................................................................88
N2 Point Map........................................................................................................88
Appendix A: Parameter Reference List .....................................................................91
Addendum ....................................................................................................................129