FS-8700-128 Safetran SCS-128 Manual

Page 13 of 15

5.3.Server Side Map Descriptors

5.3.1.FieldServer Specific 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

 

One of the Data Array

 

 

 

 

stored in the FieldServer

 

 

names from “Data Array”

 

 

 

 

 

 

 

section above

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0 to maximum specified

 

Data_Array_Offset

 

Starting location in Data Array

 

 

in

“Data

Array”

section

 

 

 

 

 

 

 

 

 

 

 

above

 

 

 

 

Function

 

 

 

Function of Server Map Descriptor

 

 

Server

 

 

 

 

 

 

 

 

Specifies time FieldServer will reserve

 

 

 

 

 

 

 

 

Server_Hold_Timeout

 

Server side connection while waiting for

 

>1.0s

 

 

 

 

 

 

 

 

the Client

side

to

update data

in

 

 

 

 

 

 

 

 

 

 

 

 

Data_Array (if necessary)

 

 

 

 

 

 

 

 

5.3.2.

Driver Specific Map Descriptor Parameters

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Column Title

 

 

 

 

Function

 

 

 

 

Legal Values

 

 

 

 

 

 

 

 

 

 

 

 

 

One

of

the

Node

 

Node_Name

 

 

Name of Node to fetch data from

 

 

 

 

names

 

specified in

 

 

 

 

 

 

 

“Client

 

 

Node

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Descriptor” above

 

 

 

 

Specify type of requests to handle from client.

 

 

 

 

 

 

 

 

SCS128_Poll_Type

 

‘Indications’ Handle all read requests from client.

 

Indications, Controls

 

 

 

 

‘Controls’ Handle all write requests from client

 

 

 

 

 

 

 

 

 

 

 

‘Flag’ each byte of Controls will be stored in 8

 

 

 

 

 

 

 

 

 

consecutive locations in the Data Array.

 

 

 

 

 

 

 

 

 

Similarly while responding Indications; status

 

 

 

 

 

 

 

 

 

byte will be composed with data from 8

 

 

 

 

 

 

 

 

 

consecutive locations.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

‘Byte’ each byte of Controls will be stored as 8

 

 

 

 

 

 

 

 

 

Bit Integer at specified location. Similarly while

 

 

 

 

 

 

 

 

 

responding Indications; status byte will be

 

 

 

 

 

 

 

 

 

composed with data from single location.

 

 

 

 

 

 

 

 

 

Data_Type

 

 

‘Register’ every

two

bytes

of Controls

will

be

 

Flag, Byte, Register,

 

 

 

stored as 16 Bit integer at specified location.

 

32-Bit_Reg

 

 

 

 

 

 

 

 

 

 

 

Similarly while responding indications; two

 

 

 

 

 

 

 

 

 

Control bytes will be composed with data from

 

 

 

 

 

 

 

 

 

single location.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

’32-Bit_Reg’ every four Control bytes will be

 

 

 

 

 

 

 

 

 

stored as 32 Bit integer at specified location.

 

 

 

 

 

 

 

 

 

Similarly while responding indications; four

 

 

 

 

 

 

 

 

 

Control bytes will be composed with data from

 

 

 

 

 

 

 

 

 

single location.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Refer to Appendix A

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Length of Map Descriptor

 

 

 

 

 

Flag: 8-256, 16

 

 

 

 

 

 

 

 

 

 

Byte: 1-32, 2

 

 

Length

 

 

Number of indications to serve or number

of

 

 

 

 

 

 

Register: 1-16, 1

 

 

 

 

controls to store as per Data_Type.

 

 

 

 

32-Bit_Reg: 1-8, 1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Address

 

 

Irrelevant parameter for this driver

 

 

 

 

 

 

 

 

FieldServer Technologies 1991 Tarob Court Milpitas, California 95035 USA Web:www.FieldServer.com Tel: 408 262-2299 Fax: 408-262-2269 Toll_Free: 888-509-1970 email: support@FieldServer.com

Page 13
Image 13
FieldServer FS-8700-128 instruction manual Driver Specific Map Descriptor Parameters