FieldServer FS-8704-13 用户手册

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页码 19
FS-8704-13 GE-SRTP  
 
Driver Manual 
 
FieldServer Technologies 1991 Tarob Court Milpitas, California 95035 (408) 262-2299 fax: (408) 262-9042 
Visit our website: www.fieldserver.com          E-mail:  support@fieldserver.com 
 
Page 13 
 
5.4.2  Driver Specific Map Descriptor Parameters  
 
Column Title 
Function 
Legal Values 
Data_Type 
Data type 
 
Use one of the Data Types 
specified in brackets. 
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 length 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 
Has no meaning on the server as 
the driver responds based on the 
nature of the request 
 
The map descriptors should be 
considered to be the definitions of 
data tables in a PLC. Thus one map 
descriptor can be used to respond 
to bit or byte requests. 
N/A 
 
5.4.3  Timing Parameters  
 
Column Title 
Function 
Legal Values 
Scada_Hold_Timeout 
Specifies time server side waits 
before responding to client that 
node is offline on FieldServer 
client side.  
>1.0s