HMS IBASCBAC3K00000, User Manual, Page: 12 / 28

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
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3.6 ASCII messages
Communication from the ASCII side is carried out thanks to simple ASCII messages. Note that these messages can be
configured from the configuration tool to match the ASCII master device.
The ASCII messages used to read/write points into the gateway through this interface have the following format
•
Message to read a point's value:
ASCII_String ? \r
Where:
Characters Description
ASCII_String String indicating the point's address inside the gateway
?
Character use to indicate that this is a reading message
(configurable from the configuration tool)
\r Carriage return character (HEX 0x0D, DEC 13)
•
Message to write a point's value:
ASCII_String = vv \r
Where:
Characters Description
ASCII_String String indicating the point's address inside the gateway
=
Character use to indicate that this is a reading message
(configurable from the configuration tool)
vv
Current point’s value
\r Carriage return character (HEX 0x0D, DEC 13)
•
Message informing about a point's value (sent spontaneously by the gateway when receiving a change
from BACnet or sent by the gateway in response to a previous poll for the point):
ASCII_String = vv \r
Where:
Characters Description
ASCII_String String indicating the point's address inside the gateway
=
Character use to indicate where point’s data starts
vv
Current point’s value
\r Carriage return character (HEX 0x0D, DEC 13)