ABB AC 800M Library Object Style Manual

Also see for AC 800M: Configuration User manual Installation manual Hardware And Operation Manual

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ABB AC 800M Library Object Style Manual Manual pdf 33 page image

Changing the first characters containing keywords of the parameter descriptionshould be considered an incompatible change. If the port direction is changed,e.g. from INOUT to IN, then the parameter must be reconnected in the functiondesigner applications after the changed instances are downloaded.Section 3 Parameter Interface Parameters with Special Purposes3BSE042835-600 33Parameter description starts with “IN” --> IN portParameter description starts with “OUT” --> OUT portParameter description starts with any other string --> INOUT portRange Checking DescriptionTable 5. Example of description for range checking in a Function Block TypeName Data type Attributes Direction Initialvalue DescriptionAEConfig dint retain IN 1 Config (0=None, 1=Alarm,2=Event, 3=Event1,4=Indication, Else Alarm +ParErr)A real, integer, or word input parameter may have a range. In that case the parameterdescription shall also state the range, the action for valid input values, and the actionfor out-of-range values (see description field in Table 5). This is mandatory forobjects that are to be SIL classified.Parameters with Special PurposesThis sub section describes the most frequent parameters and their usage.NameThe Name parameter is a string of 30 characters, holding the instance name. TheName parameter is used for several purposes:• When performing a Name Upload in the Control Structure (Plant Explorer), theinstances' Name parameter is passed to the corresponding Name aspects.