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FS-8700-52 Notifier AM6000 Driver Manual
FieldServer Technologies 1991 Tarob Court, Milpitas, California 95035 (408) 262-2299 fax: (408) 262-9042
Visit our website: www.fieldserver.com E-mail: support@fieldserver.com
Page 13
Ignored Messages
Ignored messages are very important since they do not result in the data arrays being updated.
Messages are ignored for one of two reasons.
Firstly, the driver might not understand the message and secondly because the driver doesn't
know what to do with the data from the message. The message t may contain a keyword or be
formatted in a way that cannot be understood.. It may be the case that the equipment
manufacturer adds new features to the protocol. FieldServer Technologies needs to be informed
of any such messages so that this driver can be updated.
Secondly, you may have omitted to define a map descriptor which tells the driver what to do with
the data from an incoming message. For example, say a map descriptor is defined for address 501
with a length of 50 but a message is received from device 575. Clearly the map descriptor's
device address range does not extend ass far as 575 and thus the driver doesn't know where to
store device 575's data.
This statistic indicates the number of messages th
at
were received but were ignored by the driver.
Messages are ignored for one of two reasons. Firstly,
the driver might not understand the message and
secondly because the driver doesn't know what to do
with the data from the message.