Using Store And Forward With The Opc Ua Machine Adapter - GE Mini Field Agent User Manual
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6.2.5.2
Using Store and Forward with the OPC UA Machine Adapter
When Store and Forward is enabled, the OPC UA Machine Adapter limits for each Field Agent platform are displayed in the
following table.
Supported Configurations for OPC UA Machine Adapter with Store and Forward Enabled
PublishInterval
Configured 4-
(ms)
Byte Variables
500-999
1000-1999
2000-2999
≥3000
Note For ICMFA000000-AAxx only, multiply the MFA values in the above table by 0.66 to calculate the OPC UA
Machine Adapter limits when Store and Forward is enabled.
Note Some OPC UA Servers may negotiate a different interval at the time of the connection if the configured
PublishInterval does not match its available subscription intervals. It is recommended to confirm that the OPC UA Server to
which the Mini Field Agent is connected can serve data at the requested interval.
Note The minimum supported OPC UA Machine Adapter PublishInterval on the Field Agent is 500ms when running Predix
Machine 17.1.2 or later.
For public disclosure
MFA
Max
Published
225
75
450
150
450
300
900
150
450
450
1,200
150
EFA
Configured 4-
Max
Byte Variables
Published
500
500
1,000
1,000
VFA
Configured and Published 4-
Byte Variables
4,000
20,000
Given Network Bandwidth:
Upstream = 40 MB/sec
Downstream = 21 MB/sec
GFK-2993F 82
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