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iSMA-B-AAC20 BACnet User Manual

Introduction

This manual contains information about the BACnet protocol in the iSMA-B-AAC20 controller. The BACnet Local Device can be used in all AAC20 hardware versions with the firmware 3.4 version or higher.

The BACnet IP master can be used in all AAC20 hardware versions with the firmware version 4.5 or higher.

The BACnet MS/TP master can be used in AAC20 hardware version 1.1 or higher and with the firmware version 5.0 or higher.

It is recommended to update the firmware of iSMA-B-AAC20 to the latest version using any BACnet protocol.

AAC20-LCD controller

Revision History

Rev.DateDescription
1.028 Aug 2015First edition
1.110 Apr 2017

Added - BACnet MS/TP chapter

Added - BACnet Local Device Alarm Event

Added - BACnet Local Device schedule special event information

1.220 Apr 2017

Added password option

Network configuration options change

1.35 Feb 2018

Added configurable parameters in MS/TP Network:

MAC address

Max. Master

Max. Frames Info

1.427 Jan 2020

Replaced environment of programming from Workplace to iSMA Tool

BTL compliance

1.528 Feb 2022

Rebranded

Corrected license points information

Revision history

License and Limitation

The BACnet Local Device and the BACnet MS/TP client license are included in the standard AAC20 license. The BACnet IP client covers up to 500 BACnet objects (any type) in the standard license, and there is no limitation of the number of devices. 

Type

Local Device

Remote IP Master

Remote MS/TP Master

Analog Input

-

Up to 500 in total*

Up to 500 in total

Analog Output

-

Up to 500 in total*

Up to 500 in total

Analog Value

200

Up to 500 in total*

Up to 500 in total

Binary Input

-

Up to 500 in total*

Up to 500 in total

Binary Output

-

Up to 500 in total*

Up to 500 in total

Binary Value

200

Up to 500 in total*

Up to 500 in total

Multistate Value

200

Up to 500 in total*

Up to 500 in total

Schedules

30

-

-

Trend Log

100

-

-

Notification Class

10

-

-

BACnet object limitation
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