Chapter 1
Produce and Consume a Tag
36
Rockwell Automation Publication 1756-PM011J-EN-P - February 2018
Similar to other controllers, the 1769-L2
x
and 1769-L3
x
controllers will
verify that the RPI of incoming connections are within the produced tag
settings. If the consuming tag’s RPI falls outside the configured range, a
producing controller will reject the incoming RPI and then provide an RPI
(default) to the consuming controller.
Important:
The producing and consuming controllers must be set up to allow
the consumed tags to use an RPI provided by the producer.
See
RPI Limitations and Negotiated Default
and
for procedures to set up the
producer and consumer tags to accept a negotiated default RPI.
For the 1769-L2
x
and 1769-L3
x
controllers, the
Effective Minimum RPI
,
when present, is used to determine the fastest packet interval allowed by the
tag. When the
Effective Default RPI
is present, it is the largest packet
interval (slowest rate) at which negotiated connections will be produced for
the tag.
The effective RPI limit values are presented with a flag on the
Advanced
Options
dialog box to indicate that RPI limits are set to values other than
what you entered.
