Application

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Siemens Industry, Inc. Application Note 140-1344
Restricted 2015-11-09
Table of Contents
Overview ............................................................................................................................. 4
BACnet .............................................................................................................................. 7
Auto Discovery ..................................................................................................................... 7
Auto Addressing .................................................................................................................. 7
Hardware Inputs .................................................................................................................. 8
Hardware Outputs ................................................................................................................ 8
Ordering Notes .................................................................................................................... 8
Sequence of Operation ..................................................................................................... 9
Average Face Velocity Control ............................................................................................ 9
AVS Calibration ................................................................................................................. 10
AO2 Flow Signal ................................................................................................................ 10
Control Loop - Damper Application ................................................................................... 12
Venturi Application ............................................................................................................. 12
Venturi Air Valve Calibration (Mode 1, 3) ........................................................... 12
Table Access Feature (Mode 1, 3) ..................................................................... 13
Venturi Table Evaluation and Editing (Mode 1, 3) ............................................. 16
PID Only (Mode 2) .............................................................................................. 19
Open Loop (Mode 3) .......................................................................................... 19
Minimum Exhaust Mode .................................................................................................... 20
Maximum Exhaust Mode ................................................................................................... 21
Warning Limits ................................................................................................................... 21
Alarm Limits ....................................................................................................................... 22
Alarm Output ...................................................................................................................... 22
Horn Disable ...................................................................................................................... 22
Sash Area Alarms .............................................................................................................. 22
Table Access Feature ........................................................................................................ 23
Emergency Mode ............................................................................................................... 23
Start-up/Decommission Mode ........................................................................................... 24
Fail Mode ........................................................................................................................... 25
Wiring Diagrams ................................................................................................................ 26
Point Database Application 6741 ................................................................................... 31
Point Database Application 6742 ................................................................................... 35