Page 18 of | Page 18 of 29 |
5.3.4.Map Descriptor Example.
Map_Descriptor_Name, | Data_Array_Name, | Data_Array_Offset, | Function, | Node_Name, | Address, | Length, | Data_Type |
TABLE_R, | 0, | Passive, | 1, | 1000, | %R | ||
|
|
|
|
|
|
|
|
If the Client is reading then response data will be obtained from this table. If the Client is writing, incoming data will be stored in this array
Address1 corresponds to offset 0 (1st location) in the array. If Client reads %R15 then driver responds with data from element 14 of the array.
This is a Server. It responds to polls but does no active work itself.
This Map Descriptor can be used to respond to a poll that reads and writes to addresses 1 to 1000. If a poll attempts to read data at address 1001, then if no other Map Descriptor covers that address space, a “no datas” response will be sent.
This Map Descriptor will be used to process Client read/writes of Register (%R) data.
FieldServer Technologies 1991 Tarob Court Milpitas, California 95035 USA Web:www.fieldServer.com Tel: (408)