FieldServer FS-8700-73 Driver Manual page 32

Bacnet mstp - serial
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FS-8700-73 BACnet MSTP Driver Manual
Certain BACnet services can be disabled on a BACnet Server Node when specific requirements necessitate this:
COV - certain BACnet MS/TP routers struggle to keep up with the bidirectional traffic that can result from
many COVSubscribe requests in quick succession. In this case, better results might be obtained by turning
COV off.
WritePropertyMultiple (WPM) - when the user requires writes to the BACnet Server to be acknowledged only
once Client Side writes have succeeded, WPM is turned off.
These services can be disabled individually or together by listing them under the optional "Disabled_Services"
parameter of the Node configuration section, separated by a space if more than one function is listed. When a
service has been disabled, the BACnet Server Node will reject a corresponding service request with the reason
"Unrecognized Service".
The following values may be used under Disabled_Services:
WPM (disable support for the WritePropertyMultiple service)
COV (disable support for the SubscribeCOV service)
Examples:
1. Disable WPM only
Nodes
Node_Name
, Node_ID
NN 01
, 1
2. Disable COV only
Nodes
Node_Name
, Node_ID
NN 02
, 2
3. Disable WPM and COV
Nodes
Node_Name
, Node_ID
NN 03
, 3
FieldServer Technologies 1991 Tarob Court Milpitas, California 95035 USA Web: www.FieldServer.com
Tel: (408) 262-2299 Fax: (408) 262-2269 Toll Free: (888) 509-1970 email: support@FieldServer.com
, Protocol
, Disabled_Services
, Bacnet_IP
, WPM
, Protocol
, Disabled_Services
, Bacnet_IP
, COV
, Protocol
, Disabled_Services
, Bacnet_IP
, WPM COV
Page 32 of 48

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