FieldServer FS-8704-13 instruction manual Map Descriptor Example, Tabler

Models: FS-8704-13

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FS-8704-13 GE-SRTP

Driver Manual

5.4.4 Map Descriptor Example.

In this example the FieldServer can respond to polls the request %R data provided that the request is in the range of address indicated below.

Map_Descriptor_Name, Data_Array_Name, Data_Array_Offset, Function, Node_Name, Address, Length, Data_Type

Server-R-Data

, TABLE_R

, 0

, passive, PLC1 , 1

, 1000 ,%R

If the client is reading then response data will be obtained from this table. If the client array writing then incoming data will be stored in this array.

Address 1

 

corresponds to

This is a server. It

offset zero (1st

responds to polls but

location) in the

does no active work

array.

itself.

If client reads %R15

 

then driver responds

 

with data from

 

element 14 of the

 

array.

 

This map descriptor

This map descriptor

can be used to

will be used to

respond to poll that

process client

read and write to

read/writes of

addresses 1 to 1000.

Register (%R) data.

If a poll attempts to

 

read data at address

 

1001 then if no

 

other map descriptor

 

covers that address

 

space then a no data

 

response will be

 

sent.

 

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 14

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FieldServer FS-8704-13 instruction manual Map Descriptor Example, Tabler