user manual

Ruinet Utility User Manual
Page 25 of 46
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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
Data_Array_High_Scale
Node_Low_Scale
Node_High_Scale
Used in the scaling of data values before storing them or before
sending them in write messages. Consult the Driver manual to
determine whether the driver supports scaling.
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.