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FS-8700-19_Metasys_N2 Driver Manual
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FieldServer Technologies
1991 Tarob Court Milpitas, California 95035 USA
Web
:www.fieldserver.com
Tel
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: (408) 262-2296
Toll_Free
: 888-509-1970
4.4.2.
Driver Related Map Descriptor Parameters
4.4.2.1.
N2Open Map Descriptor Parameters
Column Title
Function
Legal Values
Node_Name
Name of Node to fetch data from
One of the node names
specified in “Client Node
Descriptor” above
Data_Type
Data type
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=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
1-256
MN2_Function*
Used to specify an N2-specific
function, e.g. COS. See
description below.
COS, Override, Release
MN2_Attribute*
Used to specify the attribute if an
attribute other than Current Value
is to be accessed. See attribute
table below
See
N2Open Attribute Table