Object PmCommData (Communication data)

See: PmCommData - Deatiled object description
The object is used to define the data group, that will be read/written via the corresponding communication.
This object adopts properties and methods of object PmObject
Properties and methods:
AutoSendEnabled Enable/disable automatic sending when writing to the item
Count The number of variables in the object
GetCount Number of transmissions
GetSpecParam Detects some values of the Special Parameters configurator
Item Access to variables of type Var of this object
ItemEx Access to variables of type Var of this object
LastErr Error number of the last communication message transfer
LastTextErr Text error description of last communication message transfer
Refresh Reading all values of the data group
SetSpecParam Sets some values of the Special Parameters configurator
UpdateEnabled Enable/disable the automatic data update
UpdateRate The minimum update rate in milliseconds
onDataReceive Fires after receipt of data from communication
Configuration windows:
Object General information about the object
Content Content of the object in the XML form
Events Definition of object events algorithms
Parameters Definition of parameters of the communication group data
Data Communication group data definition
List of subobjects:
Var(Variable) Object represents one data item of the object
ExtComm An extension for connection to the PmCommData object
PROMOTIC 8.3.20 SCADA system documentation - MICROSYS, spol. s r.o.

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