Ruinet Utility User Manual

Page 25 of 46

2.5.1.Map Descriptor Overview - Settings Aspect

Parameter

Description

Map Descriptor

The current Map Descriptor being displayed out of the total

Node_ID

The Node ID used by this Map Descriptor when the driver builds read

or write messages..

 

Protocol

The protocol used by this Map Descriptor.

Map_Descriptor_Name

Used to identify a Map Descriptor by name.

User_Address

Allows a Map Descriptor to address remote device data at a specific

start memory location.

 

Length

Alows a Map Descriptor address a number of remote device data

locations from the start address.

 

Block_Type

Used by some drivers to indicate the data format used to pack a block

of data, e.g. when reading a block of 4 bytes from a PLC and the

 

Block_Type is Word, the incoming data will be interpreted as 2 words.

Data_Array_Name

The name of the Data Array where information will be stored to and

retrieved from by the Map Descriptor.

 

Data_Array_Offset

The offset into the Data Array where data should be stored on reads or

retrieved from on writes.

 

Function

The Map Descriptor function can be mainly read or write with a number

of variations of each. Refer to the FieldServer Manual for other

 

functions.

Scan_Interval

When using continuous Map Descriptor functions such as RDBC, this

is the time a Map Descriptor will wait before polling for data again.

 

Data_Array_Low_Scale

Used in the scaling of data values before storing them or before

Data_Array_High_Scale

 

sending them in write messages. Consult the Driver manual to

Node_Low_Scale

determine whether the driver supports scaling.

Node_High_Scale

 

Units

Used to specify engineering units to interpret data if used. Will display

a dash if not used.

 

Network

Used by some drivers as a network number.

Sector

Used by some drivers as a sector number for rack addressing.

Panel

Used by some drivers as a panel number for rack addressing.

Card

Used by some drivers as a card number for rack addressing.

2.5.2.Map Descriptor Overview – Status Aspect

Parameter

Description

Map Descriptor

The current Map Descriptor being displayed out of the total.

Scan Timer

Value of scan timer used by driver for this Map Descriptor. This is for

debugging purposes only and has no specific meaning.

 

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FieldServer 1.1 user manual Map Descriptor Overview Settings Aspect, Map Descriptor Overview Status Aspect