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4.4.2.Driver Related Map Descriptor Parameters
4.4.2.1.N2Open Map Descriptor Parameters
  | Column Title  | 
  | Function  | 
  | Legal Values  | 
  | 
  | 
  | 
  | 
  | One of the node names  | 
  | Node_Name  | Name of Node to fetch data from  | 
  | specified in “Client Node  | |
  | 
  | 
  | 
  | 
  | Descriptor” above  | 
  | 
  | 
  | 
  | 
  | If the vendor device lists a  | 
  | 
  | 
  | 
  | 
  | point as BD then use  | 
  | 
  | 
  | 
  | 
  | Data_Type=Byte.  | 
  | 
  | 
  | 
  | 
  | If the vendor device lists a  | 
  | 
  | 
  | 
  | 
  | point as ADI then use  | 
  | Data_Type  | 
  | Data type  | 
  | Data_Type=Integer.  | 
  | 
  | 
  | 
  | 
  | If the vendor device lists a  | 
  | 
  | 
  | 
  | 
  | point as ADF then use  | 
  | 
  | 
  | 
  | 
  | Data_Type=Float_Reg.  | 
  | 
  | 
  | 
  | AI, AO, DI, DO, | |
  | 
  | 
  | 
  | 
  | Float_Reg, Integer, Byte  | 
  | 
  | 
  | 
  | 
  | |
  | Length  | 
  | Length of Map Descriptor  | 1  | |
Address  | 
  | Starting address of read block  | |||
  | 
  | 
  | Used to specify an   | 
  | 
  | 
  | MN2_Function*  | 
  | function, e.g. COS. See  | 
  | COS, Override, Release  | 
  | 
  | 
  | description below.  | 
  | 
  | 
  | 
  | 
  | Used to specify the attribute if an  | 
  | 
  | 
  | MN2_Attribute*  | 
  | attribute other than Current Value  | 
  | See  | 
  | 
  | is to be accessed. See attribute  | 
  | N2Open Attribute Table  | |
  | 
  | 
  | 
  | ||
  | 
  | 
  | table below  | 
  | 
  | 
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