HMS IBASCBAC3K00000, User Manual

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Intesis
TM
ASCII Server
– BACnet Client
User Manual r1.1 EN
© HMS Industrial Networks S.L.U - All rights reserved
This information is subject to change without notice
URL http
s
://www.intesis.com
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1.2 Functionality
From the BACnet system point of view, after the start up process, Intesis subscribes to configured BACnet points or
reads them continuously from their respective BACnet server devices and updates in its memory the value of the
present_value property received from them.
From the ASCII system point of view, after the start up process of the gateway, Intesis waits for any query (ASCII
messages requesting readings of points or ASCII messages requesting writings of points) and acts according to the
message received. See ASCII interface section for details about this ASCII messages.
Each BACnet object from the BACnet server devices is associated to an ASCII, with this, all the configured points of the
BACnet server devices are seen as a single ASCII device with many registers
from the ASCII system point of view,
each register corresponding to a present_value of an object on a particular BACnet server device.
When a new value is read from BACnet for a given object/present_value, the new value is updated in the gateway's
memory and made accessible at ASCII Server interface.
In the continuous polling of the BACnet server, if an unresponsive BACnet server device is detected, the corresponding
virtual signal inside Intesis will be activated indicating communication error with the BACnet server device. These virtual
signals indicating communication status in real time with the BACnet devices are also accessible from ASCII, like the
rest of the points of the gateway.
1.3
Gateway’s capacity
Intesis capacity is listed below:
Element
600
version
3000
version
Notes
Type of BACnet devices IP / MSTP Communication with BACnet IP and MSTP
Number of BACnet devices 256
Maximum number of different BACnet devices
the Intesis can communicate to
Number of ASCII Registers 600 3000
Maximum number of points that can be defined in
the virtual ASCII Server device inside the gateway
ASCII link layers supported
Serial (EIA485/EIA485)
TCP/IP
Communication with ASCII client with simple
messages through a TCP/IP or serial connection