FieldServer FS-8700-128 Driver Related Map Descriptor Parameters, Timing Parameters

Page 8

FS-8700-128 Safetran SCS-128 Manual

Page 8 of 15

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

One

of the

Data

Array names

is to be stored in the FieldServer

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

 

 

 

 

 

 

 

 

One

of the Node

 

 

Node_Name

 

Name of Node to fetch data from

 

names

specified

in

 

 

 

 

“Client

Node

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Descriptor” above

 

 

 

 

 

 

Specify Poll_type

 

For

Read

Map

 

 

 

 

 

 

Descriptors :

 

 

 

 

 

 

‘Recall’ or 2 always poll for current indications

 

 

 

 

 

 

 

 

Recall, 2, Poll, 1,

 

 

 

 

 

 

‘Poll’ or 1 request for indications if changed

 

 

 

 

SCS128_Poll_Type*

 

 

For

Write

Map

 

 

 

 

 

‘Controls’ or 3 writes controls to target device

 

Descriptors :

 

 

 

 

 

 

‘Cutoff’ or 5 or 6 send ‘cutoff’ command to

 

 

 

 

 

 

 

 

Controls, 3

 

 

 

 

 

 

target device

 

Cutoff, 5, 6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

‘Flag’ - each byte of Indication statuses will be

 

 

 

 

 

 

 

 

 

stored in 8 consecutive locations in the Data

 

 

 

 

 

 

 

 

 

Array. On write; one Control byte will be

 

 

 

 

 

 

 

 

 

composed from 8 consecutive locations.

 

 

 

 

 

 

 

 

 

‘Byte’- each byte of Indication statuses will be

 

 

 

 

 

 

 

 

 

stored as an 8 Bit Integer at the specified

 

 

 

 

 

 

 

 

 

location. On Write; one Control byte will be

 

 

 

 

 

 

 

 

 

composed from a single location.

 

Flag, Byte, Register,

 

 

Data_Type*

 

 

‘Register’ - two bytes of Indication statuses will

 

 

 

 

 

 

32-Bit_Reg

 

 

 

 

 

 

be stored as a 16 Bit integer at the specified

 

 

 

 

 

 

 

 

 

location. On Write; two Control bytes will be

 

 

 

 

 

 

 

 

 

composed from a single location.

 

 

 

 

 

 

 

 

 

’32-Bit_Reg’ four bytes of Indication statuses

 

 

 

 

 

 

 

 

 

will be stored as 32 Bit integers at the

 

 

 

 

 

 

 

 

 

specified location. On Write, four Control bytes

 

 

 

 

 

 

 

 

 

will be composed from a single location.

 

 

 

 

 

 

 

 

 

Refer to Appendix A

 

 

 

 

 

 

 

 

 

Length of Map Descriptor

 

Flag: 8-256, 16

 

 

 

 

 

 

 

Byte: 1-32, 2

 

 

 

Length*

 

 

Number of indications to store or number of

 

 

 

 

 

 

 

Register: 1-16, 1

 

 

 

 

 

 

controls to write as per Data_Type.

 

32-Bit_Reg: 1-8, 1

 

 

 

 

 

 

 

 

 

4.4.3.Timing Parameters

Column Title

Function

Legal Values

Scan_Interval

Rate at which data is polled

≥0.001s

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

Image 8
Contents FS-8700-128 Safetran SCS-128 Table of Contents Safetran-SCS-128 Description FS-8700-128 Safetran SCS-128 Manual Hardware Connections VhlcConfiguring the FieldServer as a Safetran-SCS-128 Client Data Arrays/DescriptorsClient Side Connection Descriptions Client Side Node DescriptorsDriver Related Map Descriptor Parameters Timing ParametersMap Descriptor Example Read Indications Map Descriptor Example Write Controls CMDDO4Configuring the FieldServer as a Safetran-SCS-128 Server Server Side Connection DescriptorsServer Side Node Descriptors Driver Specific Map Descriptor Parameters Map Descriptor Example Appendix A. Advanced Topics Appendix A.1. Data Format