ABB System 800xA Operations page 19

Section 1 Safety Operator Warnings
The ModuleBus timeout shall be less than half the configured FDRT(Diag.Cycle.)
timeout to fulfill the FDRT calculations.
The Application Interval Time shall be less than half the configured
FDRT(Diag.Cycle.) to fulfill the FDRT calculations.
When using an FDRT shorter than 1500ms the Modulebus Timeout must be shorter
than or equal to 128ms.
Access Management Settings
The "maximum number of forces" property shall be set based on the characteristics
of each application and the operation philosophy of the plant.
The SIL Access level shall be configured based on the characteristics of each
variable and the operation philosophy of the plant.
The Provider ID shall be a unique identifier that the user has to enter manually, both
on the Subscriber System and on the Provider System. For user friendliness, the
Provider ID shall be an easily distinguishable string with a length of 2 - 16
characters, assuming 16 bit characters. It is the operators' responsibility to initially
select and to subsequently verify the Provider ID when performing a Confirmed
Write Support from the subscriber.
User Defined Diagnostics
If parameter errors on function blocks or control modules shall lead to a system
reaction, this shall be programmed in the application program.
Difference Report
It is the user's responsibility to verify that there are no postponed difference report
items in the HI controller before commissioning. All mandatory items must be
reviewed and acknowledged before the controller is put into production.
Software Verification
The Source Code Report shall be carefully reviewed to verify correct application
programming.
2PAA110888-600 - Warnings based on 3BNP004865-600 RevA
Warnings
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