Viconics VT8600 Series BACnet Integration Guide Manual de usuario descargar pdf (Pagina 37)

VT8600 Series BACnet

Integration Manual

028-0437-00 www.viconics.com | sales@viconics.com March 2015

APPENDIX A

Important notice to all Niagara integrators

For all intents and purposes, BO95 / BO4 High Speed Fan Output is used on all examples below.

Where BO95 is the object BACnet instance and BO 4 is the terminal location on the controller

Using native Niagara Set Command for an object

Typically when BACnet device objects are discovered under a BACnet device in Niagara, objects are proxied

under the local server database using standard Niagara device and object management processes.

As such using the simple add object command, Niagara creates local proxy extensions of certain of the object

properties including the BACnet object present value.

When using the “set” command under Niagara, the local server issues a BACnet write command to the con-

troller without specifying any speciﬁc priority array from 1 to 16. As per the BACnet standard, when a control-

ler receives an unspeciﬁed write command, the controller automatically assigns it to priority array level 16.

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Viconics VT8600 Series BACnet Integration Guide Manual de usuario Pagina 37