User Guide
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 










