8 - parameter table, Chapter objective, Terminology – Rockwell Automation 1395 Discrete Adapter, Rev 3.XX-8.XX User Manual

Page 36: Parameter table

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8

Chapter

8-1

Parameter Table

Chapter Objective

This chapter contains the information required to assist the user in
programming the drive for a specific application after initial start-up.
Drives are shipped programmed with default values and are preconfigured
for the options installed.

Terminology

Configuration – The process of linking Sink to Source parameters. For a
description of configuration, refer to Chapter 5 in this manual.

Configuration Parameters – Parameters used to transfer data between the
drive control and external devices. The Configuration Parameters are
categorized into two types:
S Source Parameters
S Sink Parameters

Drive Units – The actual value of the parameter as it is stored within the
drive parameter table. The drive units may be converted to engineering
units or to hexadecimal for display using the Programming Terminal, or
may be displayed directly in drive units. All internal values in the drive are
in terms of Per Unit numbering.

Engineering Units – A label given to parameter data which specifies what
units are to be used to display the parameter value on the Programming
Terminal. Examples of engineering units include: RPM, % etc.

Fast Parameter – Fast parameters are all parameters whose values are
updated every 2 milliseconds. Fast parameters are used for the real time
data input and output of the drive. Fast parameters are NOT backed up in
non-volatile memory.

Non-Volatile Memory – Data memory in the drive which retains the
values of all data even when power is disconnected from the drive control.
EEPROM (Electrically Erasable Programmable Read Only Memory) chips
are used for the 1395 non-volatile memory to store some of the drive
parameters.

Parameter Table – Table of parameter entries for all Configuration
parameters used in the drive.

Parameter Entry – Information stored in the drive which contains the
parameter number, parameter data and all other information related to the
specific parameter.

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