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FS-8700-123 MetOne Particle Counter Serial Driver Manual Page 9 of 26
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4.4. Client Side Map Descriptors
4.4.1. FieldServer Related Map Descriptor Parameters
Column Title Function Legal Values
Map_Descriptor_Name
Name of this Map Descriptor
Up to 32 alphanumeric
characters
Data_Array_Name
Name of Data Array where
data is to be stored in the
FieldServer
One of the Data Array names
from “Data Array” section
above
Data_Array_Offset
Starting location in Data
Array
0 to maximum specified in
“Data Array” section above
Function
Function of Client Map
Descriptor
RDBC, WRBC, WRBX
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
Length Length of Map Descriptor
See Map Descriptor
Example for
recommended lengths
Met1_Function
Specify the function. Additional
notes and explanations are
provided in the examples.
"Current Record"
"Hold Time"
"Sample Time"
"Mode"
"Device Select"
“SubDevice/Port
Select”
“Count”
Met1_SubDev_or_Port
This parameter as well as the
“Address” parameter must be
specified if a SubDevice or Port is
being polled.
“Device”
“SubDevice”
“Port”
Address
This parameter is used to specify
the SubDevice or Port number if
either is being polled.
Port numbers: 0-63
SubDevice numbers: 1-
64
Met1_Label
A method of storing count data
using a 3-character label. Use of
this parameter to allows the driver
to know which count to store.
Refer to Section 0 for more
information.
E.g. “LOC” or “0.1”
4.4.3. Timing Parameters
Column Title Function Legal Values
Scan_Interval Rate at which data is polled ≥0.001s