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Event function (EV)
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11 generates an undefined event with the read status 3
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The BOUND and INTERVAL inputs are available on the event function block.
The BOUND input set to 1 means that the output value of the event block is bound to
another control terminal on the LON bus. The event function block is then used to send
data over the LON bus to other REx 5xx terminals. The most common use is to transfer
interlocking information between different bays. That can be performed by an event
function block used as a send block and with a Multiple Command function block used
as a receive block. The document $SSDUDWXV &RQWURO describes how to transfer the in-
terlocking information. The configuration of the communication between control ter-
minals is made by the LON Network Tool.
The INTERVAL input is applicable only when the BOUND input is set to 1. The IN-
TERVAL is intended to be used for cyclic sending of data to other control terminals via
the LON bus with the interval time as set. This cyclic sending of data is used as a backup
of the event-driven sending, which always is performed. With cyclic sending of data,
the communication can be supervised by a corresponding INTERVAL input on the
Multiple Command function block in another control terminal connected to the LON
bus. This INTERVAL input time is set a little bit longer than the interval time set on the
event function block. With INTERVAL=0, only event-driven sending is performed.
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The event reporting can be set from the PST as:
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Use event masks
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Report no events
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Report all events
8VH RI HYHQW PDVNV is the normal reporting of events, that is, the events are reported as
defined in the database.
An event mask can be set individually for each available signal in the terminal. The set-
ting of the event mask can only be performed from the PST.
All event mask settings are treated commonly for all communication channels of the
terminal.
5HSRUW QR HYHQWV means blocking of all events in the terminal.
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