FieldServer FS-8700-105 User Manual
Page 18
FS-8700-105_National_Time_and_Signal_FACP Manual
Page 16 of 25
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Thus: A Comms Fail message puts the node offline and the node is put online when either a
valid message is received from the panel or the Comms Fail event is restored.
The driver reports the node status by updating the Data Array specified by the
NATSfacp_Status_DA parameter specified on the connection. If this parameter is not
specified then the node status cannot be reported. Ensure the Data Array is at least 33 items
long. The 1
st
element is used for the connection status. The remaining 32 elements are used
for node status. One element for each node and the offset corresponds to the Node_ID/Panel
number.
This is the only way that an upstream node can monitor if the node is online/offline. The
data obtained by this driver will always be made available to other drivers even if the node
associated with the driver is offline.