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17. GPIO
17.5.1 Configuring an Ember+ Provider
An Ember+ Provider publishes parameters so that they may be controlled by an external consuming device.
Up to five Ember+ providers can be defined in the "System -> Definition -> Parameter = Local Providers" branch of
the 'Tree Definition' window. The Provider number (1 to 5) will be referenced by other elements. For example, from
an
Ember+ GPIO
or
Source
device.
Parameter
Local Port Number
Task Priorities
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element. This allows you to change what can be accessed from each external
Local Providers – reference name for the element.
Enter a port number. This must match the Port Number of the Ember+ consumer:
·
If the consumer is configured using the ON-AIR Designer, then enter the
Number
defined in the consumer's configuration.
·
If the consuming device is another system type (V_pro8, Orban, etc.), then you will need
to find out the Ember+ control port number from the relevant documentation.
This option can be used to raise the priority of the Ember+ Provider, when compared to
DMS and network communications (such as GNET). The default setting of normal is
recommended, as changing the priorities may affect the overall system performance. The
options are:
·
normal = the Ember+ provider has low priority. Interference of different functions is
minimal. When executed, Ember+ functions may be delayed.
·
high = the Ember+ provider is prioritised above DMS. Ember+ functions are executed
faster. There may be delays to DMS functions like VisTool metering updates or VisTool
control.
·
highest = the Ember+ provider is prioritised above DMS and TCP/IP link
communication: AIF, KPF, GNET, etc. In addition to the effects described above (for
high), the setting of crosspoints via GNET may be delayed.
This option determines whether the Ember+ Provider will announce value changes to
connected consumers. When ticked, values are announced (required for bi-idirectional
Ember+ Source
Replication). When not ticked, values are not announced; this can be
used to reduce the volume of network traffic.
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