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Those two layers will use the same format regardless of the actual "transmission medium" used.
The data is arranged in packets with integrated error checking.
The Windows DLL
(chapter
5. Data table
5.1.
Overview
There's quite an extensive set of parameters available in the RVT.
The individual parameters have been put together in groups to ease manipulation and transfers between the different
layers of the application.
The parameters won't be individually accessible to the application. Only groups of parameters will be exchanged be-
tween the application and the lower layers.
This will allow the lower layer to be quite independent from the parameters contained within the group.
The parameter groups will be split in two types:
– Groups that are needed by the lower layers. They will have known and fixed group IDs in all different applications.
– Groups which are specific to an application. Their IDs will be known by the applicative layer. The lower-layers
won't know the internals of these parameter groups.
5.2.
Parameter Types
There are three basic types of parameter groups:
– Configuration parameters are defining the behavior of the system.
– Measurement parameters are generated as data.
– Info parameters are kind of internal information.
The parameters IDs allowed are set as follows:
Type
Sub-type
STATUS
Approved
Framing
6) incorporates all framing and command issues needed to communicate with the RVT.
Access type
SECURITY LEVEL
Public
Command &
Authentication
Layer
Layer
TCP/IP
USB
DOCUMENT ID
9AKK106713A9758
RVT CO MM UNI CATI O N
Allowed IDs
REV.
LANG.
PAGE
K
en
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