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Page 11 of 29FS-8700-66_GE-SNP Manual Page 11 of 29
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4.4.2. Driver Related 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
Discrete Inputs (%I)
Discrete Outputs (%Q)
Discrete Temporaries
(%T)
Discrete Internals
(%M)
Genius Global Data
(%G)
Analog Inputs (%AI)
Analog Outputs
(%AQ)
Registers (%R)
%SA Discrete
%SB Discrete
%SC Discrete
%S Discrete (%S)
Length
Length of Map Descriptor. Ensure that the
length does not exceed the table in the PLC
1-1000
Address
Starting address of read block / write block. The
1
st
element of each Data type Table is referred
to as address one.
1 , 2 , 3
Positive whole
numbers
Format*
Use to override the default format for obtaining
data. Bit tables are by default read by reading
whole bytes at a time (If the Length is 10 then
10 bytes of data are read and placed in 10 Data
Array locations)
If you wish to read bits instead then use this
parameter. (If the Length is 10 then 10 bits are
read and each bit is stored in its own location.)
Bit, Byte
The format for %AI,
%AQ and %R cannot
be changed.
GE_Func*
This parameter is only specified when you
create a write Map Descriptor to change the
privilege level.
If it is not specified the driver assumes the
default (RW – Read/Write).
CPL, RW
4.4.3. Timing Parameters
Column Title Function Legal Values
Scan_Interval Rate at which data is polled ≥0.1s