FieldServer A Sierra Monitor Company FS-8700-123 - Manual (Page 9)

FS-8700-123 MetOne Particle Counter Driver Manual Page 9 of 22
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5.3 Client Side Map Descriptors
5.3.1 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
Section 4
Data_Array_Offset Starting location in Data Array
0 to (Data_Array_Length -1) as specified
in Section 4
Function Function of Client Map Descriptor Rdbc, Wrbc, Wrbx
5.3.2 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. Refer
also to Appendix B.3 Hold Time, Mode, Count, Device
Select,
Current Record,
SubDevice/Port Select
DA_Byte_Name*
A secondary Data Array is specified using this
parameter. The driver stores the read current
record response byte for byte in the secondary
Data Array.
One of the Data Array names
from Section 4
Met1_SubDev_or_Port*
This parameter must be specified in conjunction
with the Address Parameter 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 example in
Section 5.12
Any 3 character label
programmed by the user to
identify the sample point – e.g.
0.1
LOC, FLO, DATETIME.
5.3.3 Timing Parameters
Column Title Function Legal Values
Scan_Interval Rate at which data is polled ≥0.001s