Appendix b.4.6, Map descriptors – ProSoft Technology PS-QS-1x10-0781 User Manual

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FieldServer Configuration Manual

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Appendix B.4.6.

Map Descriptors

Section Title
Map Descriptors
Column Title

Function

Legal Values

Map_Descriptor_Name

Name of the Map Descriptor

Up to 32 Alpha Numeric Characters

Data_Array_Name
(DA_Name)

Name of Data Array where data is to be
stored in the FieldServer

One of the Data Array names as
defined in Appendix B.4.2

Data_Array_Offset

Starting Location of Data Array

0 to (Data_Array_Length -1) as
defined in Appendix B.4.2

Function

Function of Client Map Descriptor

Rdbc

-

Read

data

buffer

continuously
Wrbc

-

Write

data

buffer

continuously
Rdb - Read data buffer once
Wrb - Write data buffer once
Wrbx - Write data buffer on change

Node_Name

Name of Node to fetch Data from

One of the Node names specifies in
"Client Node Descriptor" above

Data_Type (Type)

Data Type in PLC

See Driver Manual for validity and
applicability.

File_Type

File Type in PLC

Block_Number (DB)
(File_Number)

Block Number in PLC

Data_Array_Low_Scale*
(Buffer_Low_Scale)

Scaling zero in Data Array

Any signed 32 bit integer in the
range
-2,147,483,647 to 2,147,483,647.

0

Data_Array_High_Scale*
(Buffer_High_Scale)

Scaling max in Data Array

Any signed 32 bit integer in the
range
-2,147,483,647 to 2,147,483,647.

100

Node_Low_Scale*

Scaling zero in Connected Node

Any signed 32 bit integer in the
range
-2,147,483,647 to 2,147,483,647.

0

Node_High_Scale*

Scaling max in Connected Node

Any signed 32 bit integer in the
range
-2,147,483,647 to 2,147,483,647.

100

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